CA2484395C - Bicyclic heterocycles, pharmaceutical compositions containing these compounds, their use and processes for the preparation thereof - Google Patents
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Abstract
The present invention relates to bicyclic heterocycles of general formula (see formula I) wherein R a is H or alkyl; R b is optionally substituted phenyl, benzyl or phenethyl;
R c is H, halo, -OH, optionally substituted alkoxy, etc.; A is imino or alkylimino; B is carbonyl or sulphonyl; C' is optionally substituted alkenylene; D is alkylene; E is an optionally substituted heterocylic group wherein two hydrogen atoms or carbon atoms of the cyclic skeleton are replaced with an alkylene bridge; and X is substituted methyne, the tautomers, the stereoisomers, the mixtures and the salts thereof, particularly the physiologically acceptable salts thereof with inorganic or organic acids which have valuable pharmacological properties, particularly an inhibitory effect on signal transduction mediated by tyrosine kinases, the use thereof for treating diseases, particularly tumoral diseases, as well as benign prostatic hyperplasia (BPH), diseases of the lungs and respiratory tract, and the preparation thereof.
R c is H, halo, -OH, optionally substituted alkoxy, etc.; A is imino or alkylimino; B is carbonyl or sulphonyl; C' is optionally substituted alkenylene; D is alkylene; E is an optionally substituted heterocylic group wherein two hydrogen atoms or carbon atoms of the cyclic skeleton are replaced with an alkylene bridge; and X is substituted methyne, the tautomers, the stereoisomers, the mixtures and the salts thereof, particularly the physiologically acceptable salts thereof with inorganic or organic acids which have valuable pharmacological properties, particularly an inhibitory effect on signal transduction mediated by tyrosine kinases, the use thereof for treating diseases, particularly tumoral diseases, as well as benign prostatic hyperplasia (BPH), diseases of the lungs and respiratory tract, and the preparation thereof.
Description
Bicyclic heterocycles, pharmaceutical compositions containing these compounds, their use and processes for the preparation thereof The present invention relates to bicyclic heterocycles of general formula R R
N
A-B-C'D-E
IXI ~ ~
N RC
(I), the tautomers, the stereoisomers, the mixtures and the salts thereof, particularly the physiologically acceptable salts thereof with inorganic or organic acids or bases which have valuable pharmacological properties, particularly an inhibitory effect on signal transduction mediated by tyrosine kinases, the use thereof for treating diseases, particularly tumoral diseases, as well as benign prostatic hyperplasia (BPH), diseases of the lungs and respiratory tract, and the preparation thereof.
In the above general formula I
Ra denotes a hydrogen atom or a C1 -alkyl group, Rb denotes a phenyl, benzyl or 1-phenylethyl group, wherein the phenyl nucleus is substituted in each case by the groups R1 to R3, while R1 and R2, which may be identical or different, in each case denote a hydrogen, fluorine, chlorine, bromine or iodine atom, a C14-alkyl, hydroxy, C1 -alkoxy, C2_3-alkenyl or C2_3-alkynyl group, an aryl, aryloxy, arylmethyl or arylmethoxy group, a heteroaryl, heteroaryloxy, heteroarylmethyl or heteroarylmethoxy group, a methyl or methoxy group substituted by 1 to 3 fluorine atoms or a cyano, nitro or amino group, and R3 denotes a hydrogen, fluorine, chlorine or bromine atom, a methyl or trifluoromethyl group, R` denotes a hydrogen atom or a fluorine, chlorine or bromine atom, a hydroxy or C1_4-alkyloxy group, a methoxy group substituted by I to 3 fluorine atoms, an ethyloxy group substituted by 1 to 5 fluorine atoms, a C2_4-alkyloxy group which is substituted by a group R4, where R4 denotes a hydroxy, C1_3-alkyloxy, C3_6-cycloalkyloxy, C3_6-cycloalkyl-C1_3-alkyloxy, amino, C1.3-alkylamino, di-(C1_3-alkyl)amino, bis-(2-C1.3-alkyloxy-ethyl)-amino, bis-(3-C1_3-alkyloxy-propyl)-amino, pyrrolidin-1-yl, piperidin-1-yl, homopiperidin-1-yl, morpholin-4-yl, homomorpholin-4-yl, piperazin-1-yl, 4-(C1-3-alkyl)-piperazin-1-yl, homopiperazin-1-yl or 4-(C1_3-alkyl)-homopiperazin-1-yl group, a C2-4-alkyloxy group which is substituted by the group E, where E is defined as hereinafter, a C3.7-cycloalkyloxy or C3.7-cycloalkyl-C1 -alkyloxy group, a tetrahydrofuran-3-yloxy, tetrahydropyran-3-yloxy or tetra hyd ropyra n-4-yl oxy group, a tetrahydrofuranyl-C1_4-alkyloxy or tetrahydropyranyl-C1_4-alkyloxy group, a pyrrolidin-3-yloxy, piperidin-3-yloxy or piperidin-4-yloxy-group, a 1-(C1.3-alkyl)-pyrrolidin-3-yloxy, 1-(C1_3-alkyl)-piperidin-3-yloxy or 1-(C1_3-alkyl)-piperidin-4-yloxy-group, a C1-4-alkoxy group which is substituted by a pyrrolidinyl, piperidinyl or homopiperidinyl group substituted in the 1 position by the group R5, where R5 denotes a hydrogen atom or a C1.3-alkyl group, or a C1-4-alkoxy group which is substituted by a morpholinyl or homomorpholinyl group substituted in the 4 position by the group R5, where R5 is as hereinbefore defined, A denotes an imino or C1..4-alkylimino group, B denotes a carbonyl or sulphonyl group, C'denotes a 1,3-allenylene, 1,1-vinylene or 1,2-vinylene group which may be substituted in each case by one or two methyl groups or by a trifluoromethyl group, an ethynylene group or a 1,3-butadien-1,4-ylene group which may be substituted by one or two methyl groups or by a trifluoromethyl group, D denotes a straight-chain or branched C1-0-alkylene group, E denotes a pyrrolidin-1-yl group wherein two hydrogen atoms on the carbon skeleton are replaced by a straight-chain alkylene bridge, this bridge containing 2 to 6 carbon atoms if the two hydrogen atoms are located on the same carbon atom, or 1 to 5 carbon atoms if the two hydrogen atoms are located on adjacent carbon atoms, or 2 to 4 carbon atoms if the two hydrogen atoms are located on carbon atoms which are separated by one atom, while the abovementioned pyrrolidin-1-yl groups may each additionally be substituted by one or two C1_3-alkyl groups, a piperidin-1-yl or homopiperidin-1-yl group, wherein in each case two hydrogen atoms on the carbon skeleton are replaced by a straight-chain alkylene bridge, this bridge containing 2 to 6 carbon atoms if the two hydrogen atoms are located on the same carbon atom, or 1 to 5 carbon atoms if the two hydrogen atoms are located on adjacent carbon atoms, or 1 to 4 carbon atoms if the two hydrogen atoms are located on carbon atoms which are separated by one atom, or 1 to 3 carbon atoms if the two hydrogen atoms are located on carbon atoms which are separated by two atoms, while the abovementioned piperidin-1-yl- and homopiperidin-1-yl groups may each additionally be substituted by one or two C1.3-alkyl groups, a piperazin-1-yl or homopiperazin-1-yl group, wherein in each case two hydrogen atoms on the carbon skeleton are replaced by a straight-chain alkylene bridge, this bridge containing 2 to 6 carbon atoms if the two hydrogen atoms are located on the same carbon atom, or 1 to 5 carbon atoms if the two hydrogen atoms are located on adjacent carbon atoms, or I to 4 carbon atoms if the two hydrogen atoms are located on carbon atoms which are separated by one atom, or I to 3 carbon atoms if the two hydrogen atoms are located on carbon atoms which are separated by two atoms, while the abovementioned piperazin-1-yl- and homopiperazin-1-yl groups may each additionally be substituted by one or two C1.3-alkyl groups, a morpholin-4-yl or homomorpholin-4-yl group, wherein in each case two hydrogen atoms on the carbon skeleton are replaced by a straight-chain alkylene bridge, this bridge containing 2 to 6 carbon atoms if the two hydrogen atoms are located on the same carbon atom, or 1 to 5 carbon atoms if the two hydrogen atoms are located on adjacent carbon atoms, or 1 to 4 carbon atoms if the two hydrogen atoms are located on carbon atoms which are separated by one atom, or 1 to 3 carbon atoms if the two hydrogen atoms are located on carbon atoms which are separated by two atoms, while the abovementioned morpholin-4-yl- and homomorpholin-4-yl may each additionally be substituted by one or two C1_3-alkyl groups, and X denotes a methyne group substituted by a cyano group or a nitrogen atom, whilst by the aryl groups mentioned in the definition of the above groups is meant in each case a phenyl group which is mono- or disubstituted by R6, while the substituents may be identical or different and R6 denotes a hydrogen atom, a fluorine, chlorine, bromine or iodine atom or a C1.3-alkyl, hydroxy, C1_3-alkyloxy, difluoromethyl, trifluoromethyl, difluoromethoxy, trifluoromethoxy or cyano group, by the heteroaryl groups mentioned in the definition of the above groups is meant a pyridyl, pyridazinyl, pyrimidinyl or pyrazinyl group, while the abovementioned heteroaryl groups are each mono- or disubstituted by the group R6, while the substituents may be identical or different and R6 is as hereinbefore defined, and unless otherwise stated, the abovementioned alkyl groups may be straight-chained or branched.
Preferred compounds of the above general formula I are those wherein Ra denotes a hydrogen atom, Rb denotes a phenyl group substituted by the groups R1 to R3, where R1 denotes a hydrogen, fluorine, chlorine or bromine atom, a methyl, trifluoromethyl or ethynyl group, a phenyloxy or phenylmethoxy group, wherein the phenyl moiety of the abovementioned groups is optionally substituted by a fluorine or chlorine atom, or a pyridinyloxy or pyridinylmethoxy group, wherein the pyridinyl moiety of the abovementioned groups is optionally substituted by a methyl or trifluoromethyl group, R2 denotes a hydrogen, fluorine or chlorine atom and R3 denotes a hydrogen atom, Rc denotes a hydrogen atom, a C1.3-alkyloxy group, a C4_6-cycloalkyloxy or C3_6-cycloalkyl-C1_2-alkyloxy-group, a tetrahydrofuran-3-yloxy, tetra hydropyran-3-yloxy, tetrahydropyran-4-yloxy, tetra hydrofuranyl-C1_2-alkyloxy or tetra hydropyranyl-C1_2-alkyloxy group, an ethyloxy group which is substituted in the 2 position by a group R4, where R4 denotes a hydroxy, C1.3-alkyloxy, amino, C1.3-alkylamino, di-(C1_3-alkyl)amino, bis-(2-methoxyethyl)-amino, pyrrolidin-1-yl, piperidin-1-yl, homopiperidin-1-yl, morpholin-4-yl, homomorpholin-4-yl, piperazin-1-yl, 4-(C1.3-alkyl)-piperazin-1-yl, homopiperazin-l-yl, or 4-(C1.3-alkyl)-homopiperazin-1-yl group, a propyloxy group which is substituted in the 3 position by a group R4, where R4 is as hereinbefore defined, or a butyloxy group which is substituted in the 4 position by a group R4 where R4 is as hereinbefore defined, A denotes an imino group, B denotes a carbonyl or sulphonyl group, C'denotes a 1,1-vinylene, 1,2-vinylene or ethynylene group, D denotes a methylene, 1,1-ethylene or 1,2-ethylene group, E denotes a piperidin-1-yl group wherein two hydrogen atoms on the carbon skeleton are replaced by a straight-chain alkylene bridge, this bridge containing 2 to 5 carbon atoms if the two hydrogen atoms are located on the same carbon atom, or 1 to 4 carbon atoms if the two hydrogen atoms are located on adjacent carbon atoms, or 1 to 3 carbon atoms if the two hydrogen atoms are located on carbon atoms which are separated by one atom, or 1 or 2 carbon atoms if the two hydrogen atoms are located on carbon atoms which are separated by two atoms, while the abovementioned piperidin-1-yi groups may each additionally be substituted by one or two C1_3-alkyl groups, a piperazin-1-yl group wherein two hydrogen atoms on the carbon skeleton are replaced by a straight-chain alkylene bridge, this bridge containing 2 to carbon atoms if the two hydrogen atoms are located on the same carbon atom, or 1 to 4 carbon atoms if the two hydrogen atoms are located on adjacent carbon atoms, or 1 to 3 carbon atoms if the two hydrogen atoms are located on carbon atoms which are separated by one atom, or 1 or 2 carbon atoms if the two hydrogen atoms are located on carbon atoms which are separated by two atoms, while the abovementioned piperazin-1-yl groups may each additionally be substituted by one or two C1_3-alkyl groups, or a morpholin-4-yl group wherein two hydrogen atoms on the carbon skeleton are replaced by a straight-chain alkylene bridge, this bridge containing 2 to carbon atoms if the two hydrogen atoms are located on the same carbon atom, or 1 to 4 carbon atoms if the two hydrogen atoms are located on adjacent carbon atoms, or 1 to 3 carbon atoms if the two hydrogen atoms are located on carbon atoms which are separated by one atom, or 1 or 2 carbon atoms if the two hydrogen atoms are located on carbon atoms which are separated by two atoms, while the abovementioned morpholin-4-yl groups may each additionally be substituted by one or two CI_3-alkyl groups, and X represents a nitrogen atom, while, unless otherwise stated, the abovementioned alkyl groups may be straight-chain or branched, their tautomers, their stereoisomers, their mixtures and their salts.
Particularly preferred compounds of the above general formula I are those wherein Ra denotes a hydrogen atom, Rb denotes a 3-ethynyiphenyl, 3-bromophenyl, 3,4-difluorophenyl or 3-chioro-4-fluoro-phenyl group, R` denotes a hydrogen atom, a methoxy, ethyloxy, 2-(methoxy)ethyloxy, 3-(morpholin-4-yl)propyloxy, cyclo-butyloxy, cyclopentyloxy, cyclohexyloxy, cyclopropylmethoxy, cyclopentylmethoxy, tetra hyd rofu ra n-3-yloxy, tetrahydropyran-3-yloxy, tetra hydropyran-4-yloxy, tetra hyd rofu ran-2-yl methoxy, tetra hyd rofu ran-ylmethoxy or tetrahydropyran-4-ylmethoxy group, A denotes an imino group, B denotes a carbonyl group, C'denotes a 1,2-vinylene group, D denotes a methylene group, E denotes a 2-aza-bicyclo[2.2.1]hept-2-yl, 2,5-diaza-bicyclo[2.2.1]hept-2-yl, 5-methyl-2,5-diaza-bicyclo[2.2.1]hept-2-yl, 2-oxa-5-aza-bicyclo[2.2.I]hept-5-yl, 2-aza-bicyclo[2.2.2]oct-2-yl, 3-aza-bicyclo[3.2.1 ]oct-3-yl, 8-aza-bicyclo[3.2.1 ]oct-8-yl, 3,8-diaza-bicyclo[3.2.1 ]oct-3-yl, 8-methyl-3,8-diaza-bicyclo[3.2.1 ]oct-3-yl, 3,8-diaza-bicyclo[3.2.1 ]oct-8-yl, 3-methyl-3,8-diaza-bicyclo[3.2.1]oct-8-yl, 3-oxa-8-aza-bicyclo[3.2. 1 ]oct-8-yl or 8-oxa-3-aza-bicyclo[3.2.1 ]oct-3-yl group and X denotes a nitrogen atom, their tautomers, their stereoisomers, their mixtures and their salts.
Most particularly preferred compounds of general formula I are those wherein Ra denotes a hydrogen atom, Rb denotes a 3-chloro-4-fluoro-phenyl group, R` denotes a tetrahydrofuran-3-yloxy, cyclopentyloxy or cyclopropylmethoxy group, A denotes an imino group, B denotes a carbonyl group, C'denotes a 1,2-vinylene group, D denotes a methylene group, E denotes a 2-oxa-5-aza-bicyclo[2.2.1]hept-5-yl group, a 3-oxa-8-aza-bicyclo[3.2.1]oct-8-yl group or an 8-oxa-3-aza-bicyclo[3.2.1]oct-3-yl group and X denotes a nitrogen atom, their tautomers, their stereoisomers, their mixtures and their salts.
The following are mentioned as examples of particularly preferred compounds of general formula I:
(a) 4-[(3-chloro-4-fluoro-phenyl)amino]-6-{[4-((1 S,4S)-2-oxa-5-aza-bicyclo[2.2.1 ]hept-5-yl)-1-oxo-2-buten-1-yl]amino}-7-cyclopropylmethoxy-qu inazoline, (b) 4-[(3-chloro-4-fl uoro-phenyl)amino]-6-{[4-((1 S,4S)-2-oxa-5-aza-bicyclo[2.2.1 ]hept-5-yl)-1-oxo-2-buten-1-yl]amino}-7-cyclopentyloxy-quinazoline, (c) 4-[(3-chloro-4-fluoro-phenyl)amino]-6-{[4-((1 S,4S)-2-oxa-5-aza-bicyclo[2.2. 1 ]hept-5-yl)-1-oxo-2-buten-1-yl]amino}-7-[(S)-(tetrahyd rofu ran-3-yl )oxy]-qu inazoline, (d) 4-[(3-chloro-4-fluoro-phenyl)amino]-6-{[4-(3-oxa-8-aza-bicyclo[3.2.1 ]oct-8-yl)-1-oxo-2-buten-1-yl]amino}-7-[(S)-(tetrahyd rofuran-3-yl )oxy]-q u i nazol i n e, (e) 4-[(3-chloro-4-fluoro-phenyl)amino]-6-{[4-((1 R,4R)-2-oxa-5-aza-bicyclo[2.2. 1]hept-5-yl)-1-oxo-2-buten-1-yl]amino}-7-[(S)-(tet ra h yd rof u ra n-3-y l )oxy] -quinazoline , (f) 4-[(3-chloro-4-fluoro-phenyl)amino]-6-{[4-(8-oxa-3-aza-bicyclo[3.2.1 ]oct-3-yl)-1-oxo-2-buten-1-yl]amino}-7-[(S)-(tetrahydrofuran-3-yl)oxy]-qu inazoline, (g) 4-[(3-chloro-4-fluoro-phenyl)amino]-6-{[4-((1 R,4R)-2-oxa-5-aza-bicyclo[2.2.1 ]hept-5-yl)-1-oxo-2-buten-1-yl]amino}-7-[(R)-(tetrahydrofuran-3-yl)oxy]-quinazoline and (h) 4-[(3-chloro-4-fluoro-phenyl)amino]-6-{[4-((1 S,4S)-2-oxa-5-aza-bicyclo[2.2.1 ]hept-5-yl)-1-oxo-2-buten-1-yl]amino}-7-[(R)-(tetrahydrofuran-3-yl)oxy]-qu inazoline, and the salts thereof.
The compounds of general formula I may be prepared for example by the following methods:
a) reacting a compound of general formula RAN Rb O~ O-R7 f-P
X
N R
(ll) wherein Ra, Rb, Rc, A, B and X are as hereinbefore defined and R7 and R8, which may be identical or different, denote C1_4-alkyl groups, with a compound or general formula OHC'- D - E, (III) wherein C, D and E are as hereinbefore defined.
The reaction is expediently carried out in a solvent or mixture of solvents such as tetrahydrofuran, tetra hydrofuran/water, acetonitrile, acetonitrile/water, dioxane, ethyleneglycol dimethyl ether, isopropanol, methylene chloride, dimethylformamide or sulpholane optionally in the presence of an inorganic or organic base, e.g. sodium carbonate, potassium hydroxide or 1,8-diazabicyclo[5.4.0]undec-7-ene and optionally in the presence of a lithium salt such as lithium chloride at temperatures between -50 and 150 C, but preferably at temperatures between -20 and 80 C. The reaction may also be carried out with a reactive derivative of the compound of general formula III, for example the hydrate or a hemiacetal.
b) reacting a compound of general formula RRb N
A-B-C D-Z' N Rc (IV) wherein Ra, Rb, R`, A, B, C', D and X are as hereinbefore defined and Z' denotes a leaving group such as a halogen atom or a substituted sulphonyloxy group such as a chlorine or bromine atom, a methanesulphonyloxy or p-toluenesulphonyloxy group, with a compound of general formula H - E, (V) wherein E is as hereinbefore defined.
The reaction is expediently carried out in a solvent such as isopropanol, butanol, tetrahydrofuran, dioxane, acetonitrile, dimethylformamide, sulpholane, toluene or methylene chloride or mixtures thereof, optionally in the presence of an inorganic or organic base, e.g. sodium carbonate, potassium carbonate, potassium hydroxide, triethylamine or N-ethyl-diisopropylamine and optionally in the presence of a reaction accelerator such as an alkali metal iodide at temperatures between -20 and 150 C, but preferably at temperatures between 0 and 100 C. The reaction may, however, also be carried out without a solvent or in an excess of the compound of general formula V used.
In the reactions described hereinbefore, any reactive groups present such as hydroxy, amino, alkylamino or imino groups may be protected during the reaction by conventional protecting groups which are cleaved again after the reaction.
For example, a protecting group for a hydroxy group may be a trimethylsilyl, acetyl, trityl, benzyl or tetrahydropyranyl group.
Protecting groups for an amino, alkylamino or imino group may be a formyl, acetyl, trifluoroacetyl, ethoxycarbonyl, tert.butoxycarbonyl, benzyloxycarbonyl, benzyl, methoxybenzyl or 2,4-dimethoxybenzyl group, for example.
Any protecting group used is optionally subsequently cleaved for example by hydrolysis in an aqueous solvent, e.g. in water, isopropanol/water, acetic acid/water, tetrahydrofuran/water or dioxan/water, in the presence of an acid such as trifluoroacetic acid, hydrochloric acid or sulphuric acid or in the presence of an alkali metal base such as sodium hydroxide or potassium hydroxide or aprotically, e.g. in the presence of iodotrimethylsilane, at temperatures between 0 and 120 C, preferably at temperatures between 10 and 100 C.
However, a benzyl, methoxybenzyl or benzyloxycarbonyl group is cleaved, for example hydrogenolytically, e.g. with hydrogen in the presence of a catalyst such as palladium/charcoal in a suitable solvent such as methanol, ethanol, ethyl acetate or glacial acetic acid, optionally with the addition of an acid such as hydrochloric acid at temperatures between 0 and 100 C, but preferably at ambient temperatures between 20 and 60 C, and at a hydrogen pressure of 1 to 7 bar, but preferably 3 to 5 bar. A 2,4-dimethoxybenzyl group, however, is preferably cleaved in trifluoroacetic acid in the presence of anisole.
A tert.butyl or tert.butyloxycarbonyl group is preferably cleaved by treating with an acid such as trifluoroacetic acid or hydrochloric acid or by treating with iodotrimethylsilane optionally using a solvent such as methylene chloride, dioxan, methanol or diethyl ether.
A trifluoroacetyl group is preferably cleaved by treating with an acid such as hydrochloric acid, optionally in the presence of a solvent such as acetic acid at temperatures between 50 and 120 C or by treating with sodium hydroxide solution, optionally in the presence of a solvent such as tetrahydrofuran at temperatures between 0 and 50 C.
Moreover, the compounds of general formula I obtained may be resolved into their enantiomers and/or diastereomers, as mentioned hereinbefore. Thus, for example, cis/trans mixtures may be resolved into their cis and trans isomers, and compounds with at least one optically active carbon atom may be separated into their enantiomers.
Thus, for example, the cis/trans mixtures may be resolved by chromatography into the cis and trans isomers thereof, the compounds of general formula I
obtained which occur as racemates may be separated by methods known per se (cf. Allinger N. L. and Eliel E. L. in "Topics in Stereochemistry", Vol. 6, Wiley Interscience, 1971) into their optical antipodes and compounds of general formula I with at least 2 asymmetric carbon atoms may be resolved into their diastereomers on the basis of their physical-chemical differences using methods known per se, e.g. by chromatography and/or fractional crystallisation, and, if these compounds are obtained in racemic form, they may subsequently be resolved into the enantiomers as mentioned above.
The enantiomers are preferably separated by column separation on chiral phases or by recrystallisation from an optically active solvent or by reacting with an optically active substance which forms salts or derivatives such as e.g. esters or amides with the racemic compound, particularly acids and the activated derivatives or alcohols thereof, and separating the diastereomeric mixture of salts or derivatives thus obtained, e.g. on the basis of their differences in solubility, whilst the free antipodes may be released from the pure diastereomeric salts or derivatives by the action of suitable agents.
Optically active acids in common use are e.g. the D- and L-forms of tartaric acid or dibenzoyltartaric acid, di-o-tolyltartaric acid, malic acid, mandelic acid, camphorsulphonic acid, glutamic acid, aspartic acid or quinic acid. An optically active alcohol may be for example (+) or (-)-menthol and an optically active acyl group in amides may be a (+)- or (-)-menthyloxycarbonyl, for example.
Furthermore, the compounds of formula I may be converted into the salts thereof, particularly for pharmaceutical use into the physiologically acceptable salts with inorganic or organic acids. Acids which may be used for this purpose include for example hydrochloric acid, hydrobromic acid, sulphuric acid, methanesulphonic acid, phosphoric acid, fumaric acid, succinic acid, lactic acid, citric acid, tartaric acid or maleic acid.
As already mentioned hereinbefore, the compounds of general formula I
according to the invention and the physiologically acceptable salts thereof have valuable pharmacological properties, particularly an inhibiting effect on signal transduction mediated by the Epidermal Growth Factor receptor (EGF-R), whilst this may be achieved for example by inhibiting ligand bonding, receptor dimerisation or tyrosine kinase itself. It is also possible that the transmission of signals to components located downstream is blocked.
The biological properties of the new compounds were investigated as follows:
The inhibition of human EGF-receptor kinase was determined using the cyto-plasmic tyrosine kinase domain (methionine 664 to alanine 1186 based on the sequence published in Nature 309 (1984), 418). For this the protein was expressed in Sf9 insect cells as GST fusion protein using the Baculovirus expression system.
The enzyme activity was measured in the presence or absence of the test compounds in serial dilutions. The polymer pEY (4:1) obtained from SIGMA
was used as the substrate. Biotinylated pEY (bio-pEY) was added as the tracer substrate. 100 pl of reaction solution contained 10 pl of the inhibitor in 50% DMSO, 20 pl of the substrate solution (200 mM HEPES pH 7.4, 50 mM
magnesium acetate, 2.5 mg/ml poly(EY), 5 pg/mi bio-pEY) and 20 pl of enzyme preparation. The enzyme reaction was started by the addition of 50 pl of a 100 pM ATP solution in 10 mM of magnesium chloride. The dilution of the enzyme preparation was adjusted so that the incorporation of phosphate in the bio-pEY was linear in terms of time and quantity of enzyme. The enzyme preparation was diluted in 20 mM HEPES pH 7.4, 1 mM EDTA, 130 mM
common salt, 0.05% Triton X-100, 1 mM DTT and 10% glycerol.
The enzyme assays were carried out at ambient temperature over a period of 30 minutes and ended by the addition of 50 pl of a stopping solution (250 mM
EDTA in 20 mM HEPES pH 7.4). 100 pl were placed on a streptavidin-coated microtitre plate and incubated for 60 minutes at ambient temperature. Then the plate was washed with 200 pl of a wash solution (50 mM Tris, 0.05%
Tween 20). After the addition of 100 pl of an HRPO-labelled anti-PY antibody (PY20H Anti-PTyr:HRP made by Transduction Laboratories, 250 ng/ml) the preparation was incubated for 60 minutes. Then the microtitre plate was washed three times with 200 pl of wash solution. The samples were then combined with 100 pl of a TMB-peroxidase solution (A:B = 1:1, Kirkegaard Perry Laboratories). After 10 minutes the reaction was stopped. The extinction was measured at OD450nm with an ELISA reader. All the results were measured three times.
The data were adapted by iterative calculation using an analytical programme for sigmoid curves (Graph Pad Prism Version 3.0) with a variable Hill pitch.
All the iterative data produced had a correlation coefficient of more than 0.9 and the upper and lower values of the curves showed a spread of at least a factor of 5. The active substance concentration which inhibits the activity of EGF
receptor kinase by 50% (IC50) was derived from the curves.
The following results were obtained:
Compound Inhibition of EGF-receptor (Example No.) kinase IC50 [nM]
1 1.5 1(1) 0.5 2 0.5 2(2) 0.5 2(3) 2 The compounds of general formula I according to the invention thus inhibit signal transduction by tyrosine kinases, as demonstrated by the example of the human EGF receptor, and are therefore useful for treating pathophysiological processes caused by hyperfunction of tyrosine kinases.
These are e.g. benign or malignant tumours, particularly tumours of epithelial and neuroepithelial origin, metastasisation and the abnormal proliferation of vascular endothelial cells (neoangiogenesis).
The compounds according to the invention are also useful for preventing and treating diseases of the airways and lungs which are accompanied by increased or altered production of mucus caused by stimulation by tyrosine kinases, e.g. in inflammatory diseases of the airways such as chronic bronchitis, chronic obstructive bronchitis, asthma, bronchiectasis, allergic or non-allergic rhinitis or sinusitis, cystic fibrosis, al-antitrypsin deficiency, or coughs, pulmonary emphysema, pulmonary fibrosis and hyperreactive airways.
The compounds are also suitable for treating diseases of the gastrointestinal tract and bile duct and gall bladder which are associated with disrupted activity of the tyrosine kinases, such as may be found e.g. in chronic inflammatory changes such as cholecystitis, Crohn's disease, ulcerative colitis, and ulcers in the gastrointestinal tract or such as may occur in diseases of the gastrointestinal tract which are associated with increased secretions, such as Menetrier's disease, secreting adenomas and protein loss syndrome.
In addition, the compounds of general formula I and the physiologically acceptable salts thereof may be used to treat other diseases caused by abnormal function of tyrosine kinases, such as e.g. epidermal hyperproliferation (psoriasis), benign prostatic hyperplasia (BPH), inflammatory processes, diseases of the immune system, hyperproliferation of haematopoietic cells, etc.
By reason of their biological properties the compounds according to the invention may be used on their own or in conjunction with other pharmacologically active compounds, for example in tumour therapy, in monotherapy or in conjunction with other anti-tumour therapeutic agents, for example in combination with topoisomerase inhibitors (e.g. etoposide), mitosis inhibitors (e.g. vinbiastine), compounds which interact with nucleic acids (e.g.
cis-platin, cyclophosphamide, adriamycin), hormone antagonists (e.g.
tamoxifen), inhibitors of metabolic processes (e.g. 5-FU etc.), cytokines (e.g.
interferons), antibodies, etc. For treating respiratory tract diseases, these compounds may be used on their own or in conjunction with other therapeutic agents for the airways, such as substances with a secretolytic (e.g. ambroxol, N-acetylcysteine) , broncholytic (e.g. tiotropium or ipratropium or fenoterol, salmeterol, salbutamol) and/or anti-inflammatory activity (e.g. theophylline or glucocorticoids). For treating diseases in the region of the gastrointestinal tract, these compounds may also be administered on their own or in conjunction with substances having an effect on motility or secretion. These combinations may be administered either simultaneously or sequentially.
These compounds may be administered either on their own or in conjunction with other active substances by intravenous, subcutaneous, intramuscular, intraperitoneal or intranasal route, by inhalation or transdermally or orally, whilst aerosol formulations are particularly suitable for inhalation.
For pharmaceutical use the compounds according to the invention are generally used for warm-blooded vertebrates, particularly humans, in doses of 0.01-100 mg/kg of body weight, preferably 0.1-15 mg/kg. For administration they are formulated with one or more conventional inert carriers and/or diluents, e.g. with corn starch, lactose, glucose, microcrystalline cellulose, magnesium stearate, polyvinylpyrrolidone, citric acid, tartaric acid, water, water/ethanol, water/glycerol, water/sorbitol, water/polyethylene glycol, propylene glycol, stearyl alcohol, carboxymethylcellulose or fatty substances such as hard fat or suitable mixtures thereof in conventional galenic preparations such as plain or coated tablets, capsules, powders, suspensions, solutions, sprays or suppositories.
The following Examples are intended to illustrate the present invention without restricting it:
Preparation of the starting compounds:
Example I
4-[(3-chloro-4-fluoro-phenyl)aminol-6-[(diethoxy-phosphoryl)-acetylaminol-7-RS)-(tetrahydrofu ran-3-yl)oxyl-guinazoline 60.07 g of diethoxyphosphorylacetic acid are placed in 750 ml N,N-dimethylformamide and at ambient temperature combined with 48.67 g of N,N'-carbonyldiimidazole. After the development of gas has ended 90.00 g of 4-[(3-chloro-4-fluoro-phenyl)amino]-6-amino-[(S)-(tetrahydrofu ran-3-yl)oxy]-quinazoline are added and the reaction mixture is stirred for about 4-5 hours at ambient temperature until the reaction is complete. The reaction mixture is then heated gently in a water bath and two batches of 750 ml of water are added. The thick suspension is stirred overnight and the next morning another 350 ml of water are added. The suspension is cooled in the ice bath, stirred for another hour and suction filtered. The filter cake is washed with 240 ml of N,N-dimethylformamide/water (1:2) and 240 ml of diisopropylether and dried at 40 C in a circulating air drier.
Yield: 117.30 g (88 % of theory) Rf value: 0.37 (silica gel, methylene chloride/methanol = 9:1) Mass spectrum (ESI+): m/z = 553, 555 [M+H]+
The following compound is obtained analogously to Example I:
(1) 4-[(3-chloro-4-fluoro-phenyl)amino]-6-[(diethoxy-phosphoryl)-acetylamino]-7-[(R)-(tetrahydrofuran-3-yl)oxy]-quinazoline Mass spectrum (ESI+): m/z = 553, 555 [M+H]+
Example II
(1S 4S)-(2-oxa-5-aza-bicyclo[2.2.1]hept-5-yl)-acetaldehyde-hydrochloride Prepared by treating (1 S,4S)-5-(2,2-dimethoxy-ethyl)-2-oxa-5-aza-bicyclo[2.2.1]heptane with conc. hydrochloric acid in water at 80 C. The solution obtained is further reacted directly in Example 2 and 2(5).
The following compounds are obtained analogously to Example II:
(1) (3-oxa-8-aza-bicyclo[3.2.1 ]oct-8-yl)-acetaldehyde-hydrochloride The solution obtained is further reacted directly in Example 2(1).
(2) (1 R,4R)-(2-oxa-5-aza-bicyclo[2.2.1]hept-5-yi)-acetaldehyde-hydrochloride The solution obtained is further reacted directly in Example 2(2) and 2(4).
(3) (8-oxa-3-aza-bicyclo[3.2.1]oct-3-yl)-acetaldehyde-hydrochloride The solution obtained is further reacted directly in Example 2(3).
Example III
(1 S 4S)-5-(2,2-dimethoxy-ethyl)-2-oxa-5-aza-bicyclo[2.2.11heptane Prepared by reacting (1 S,4S)-2-oxa-5-aza-bicyclo[2.2.1]heptane-hydrochloride with bromoacetaldehyde-dimethylacetal in the presence of potassium carbonate in N-methylpyrrolidinone at 100 C.
Rf value: 0.35 (silica gel, methylene chloride/methanol/conc. aqueous ammonia = 90:10:1) Mass spectrum (ESI+): m/z = 188 [M+H]+
The following compounds are obtained analogously to Example III:
(1) 8-(2,2-dimethoxy-ethyl)-3-oxa-8-aza-bicyclo[3.2.1 ]octane Rf value: 0.81 (silica gel, methylene chloride/methanol/conc. aqueous ammonia = 90:10:1) (2) (1 R,4R)-5-(2,2-dimethoxy-ethyl)-2-oxa-5-aza-bicyclo[2.2.1]heptane Rf value: 0.23 (silica gel, ethyl acetate/methanol/conc. aqueous ammonia =
90:10:1) Mass spectrum (ESI+): m/z = 188 [M+H]+
The (1 R,4R)-2-oxa-5-aza-bicyclo[2.2.1 ]heptane-hydrochloride used is prepared by reacting (2R,4R)-1-(tert.-butyloxycarbonyl)-2-[(4-methylphenyl-sulphonyloxy)-methyl]-4-hydroxy-pyrrolidine (see J. Org. Chem., 1992, 57, 3783-3789) with sodium hydride in tetrahydrofuran and subsequently treating it with hydrochloric acid in dioxane.
(3) 3-(2,2-dimethoxy-ethyl)-8-oxa-3-aza-bicyclo[3.2.1 ]octane Rf value: 0.84 (silica gel, ethyl acetate/methanol/conc. aqueous ammonia =
90:10:1) Preparation of the final compounds:
Example 1 4-f(3-chloro-4-fluoro-phenyl)aminol-6-{f4-((1 S,4S)-2-oxa-5-aza-bicyclof2.2.1lhept-5-vl)-1-oxo-2-buten-1-yllamino} 7-cyclopropylmethox --guinazoline F
CI \ NH
H
NI N
,10 N
N ~'O
4.50 g of bromocrotonic acid are dissolved in 40 ml of methylene chloride and combined with 4.70 ml of oxalyl chloride. After the addition of 0.02 ml of N,N-dimethylformamide a vigorous development of gas sets in which is finished after about two hours. The reaction mixture is evaporated down in vacuo and the flask residue is dissolved in 40 ml methylene chloride. This solution is added dropwise to a mixture of 7.00 g of 4-[(3-chloro-4-fluoro-phenyl)amino]-6-amino-7-cyclopropylmethoxy-quinazoline and 9.60 ml of Hunig base in 80 ml of tetrahydrofuran while cooling with an ice bath. The reaction solution is stirred for one hour in the ice bath and for another hour at ambient temperature.
One fifth of this solution is then removed and combined with 740 mg of (1 S,4S)-2-oxa-5-aza-bicyclo[2.2. 1 ]heptane-hydrochloride and 1 ml of Hunig base. The reaction mixture is stirred overnight at 60 C and then evaporated down in vacuo. The flask residue is taken up with ethyl acetate and a little methanol and-extracted with water. The organic phase is taken up on silica gel and chromatographed through a silica gel column with ethyl acetate/methanol (95:5 to 70:30) as eluant. The product obtained is crystallised from diisopropylether and suction filtered.
Yield: 850 mg (42 % of theory) Rf value: 0.36 (silica gel, ethyl acetate/methanol = 9:1) Mass spectrum (ESI+): m/z = 524, 526 [M+H]+
The following compound is obtained analogously to Example 1:
(1) 4-[(3-chloro-4-fluoro-phenyl)amino]-6-{[4-((1 S,4S)-2-oxa-5-aza-bicyclo[2.2. 1 ]hept-5-yl)-1-oxo-2-buten-1-yl]amino}-7-cyclopentyloxy-quinazoline F
CI \ 1 NH
N N
Rf value: 0.40 (Reversed phase ready-made TLC plate (E. Merck), acetonitrile/water/ trifluoroacetic acid = 50:50:1) Mass spectrum (ESI"): m/z = 536, 538 [M-H]"
Example 2 4-[(3-chloro-4-fluoro-phenyl)amino1-6-{[4-((1 S,4S)-2-oxa-5-aza-bicyclof 2.2.1lhept-5-yl)-1-oxo-2-buten-1-yllamino}-7-f (S)-(tetrahydrofu ran-yl)oxyl-quinazoline F
~I
CI NH H
NI NI /
`N O
O O
Col A solution of 4.44 g of 4-[(3-chloro-4-fluoro-phenyl)amino]-6-[2-(diethoxy-phosphoryl)-acetylamino]-7-[(S)-(tetrahydrofuran-3-yl)oxy]-quinazoline in 22 ml of tetrahydrofuran is added at ambient temperature to a solution of 340 mg of lithium chloride in 22 ml of water. Then 2.73 g of potassium hydroxide flakes are added and the reaction mixture is cooled to -3 C in a cooling bath of ice and acetone. The solution of (1 S,4S)-(2-oxa-5-aza-bicyclo[2.2.1]hept-5-yl)-acetaldehyde-hydrochloride obtained in Example II is then added dropwise within 5 min at a temperature of 0 C. After the addition has ended the reaction mixture is stirred for another 10 min at 0 C and another 20 min at ambient temperature. For working up 100 ml of ethyl acetate are added and the aqueous phase is separated off. The organic phase is washed with saturated sodium chloride solution, dried over magnesium sulphate and evaporated down. The crude product is purified by chromatography over a silica gel column with methylene chloride/methanol/conc. methanolic ammonia (980:18:2 to 750:225:25) as eluant. The product obtained is brought to crystallisation with a little diisopropylether.
Yield: 2.60 g (60 % of theory) Rf value: 0.33 (silica gel, methylene chloride/methanol/conc. aqueous ammonia = 90:10:1) Mass spectrum (ESI+): m/z = 540, 542 [M+H]+
The following compounds are obtained analogously to Example 2:
(1) 4-[(3-chloro-4-fluoro-phenyl)amino]-6-{[4-(3-oxa-8-aza-bicyclo[3.2.1 ]oct-yI)-1-oxo-2-buten-1-yl]amino}-7-[(S)-(tetrahydrofuran-3-yl)oxy]-quinazoline F /
\I
CI NH
H
N ao 0 O
Mass spectrum (ESI+): m/z = 554, 556 [M+H]+
(2) 4-[(3-chloro-4-fluoro-phenyl)amino]-6-{[4-((1 R,4R)-2-oxa-5-aza-bicyclo[2.2.1 ]hept-5-yl)-1-oxo-2-buten-1-yl]amino}-7-[(S)-(tetrahyd rofu ran-yl)oxy]-quinazoline F /
CI \ NH
H
N \ N\ II N
O O O
N
Rf value: 0.08 (silica gel, ethyl acetate/methanol/conc. aqueous ammonia =
90:10:1) Mass spectrum (ESI'): m/z = 538, 540 [M-H]-(3) 4-[(3-chloro-4-fluoro-phenyl)amino]-6-{[4-(8-oxa-3-aza-bicyclo[3.2.1 ]oct-yl)-1-oxo-2-buten-1-yl]amino}-7-[(S)-(tetrahydrofuran-3-yl)oxy]-quinazoline F /
CI NH
H~~
N \ N-II~ N
O
Rf value: 0.77 (aluminium oxide, ethyl acetate/methanol = 95:5) Mass spectrum (ESI+): m/z = 554, 556 [M+H]+
(4) 4-[(3-chloro-4-fluoro-phenyl)amino]-6-{[4-((1 R,4R)-2-oxa-5-aza-bicyclo[2.2.1 ]kept-5-yl)-1-oxo-2-buten-1-yl]amino}-7-[(R)-(tetrahydrofuran-3-yl)oxy]-quinazoline F
CI NH
H
\ \ N\II N
N N O O
Mass spectrum (ESI+): m/z = 540, 542 [M+H]+
(5) 4-[(3-chloro-4-fluoro-phenyl)amino]-6-{[4-((1 S,4S)-2-oxa-5-aza-bicyclo[2.2.1 ]hept-5-yi)-1-oxo-2-buten-1-yl]amino}-7-[(R)-(tetrahydrofuran-3-yl)oxy]-quinazoline F
CI NH
H
N
NII \ \ \IN
O `JO
Mass spectrum (ESI+): m/z = 540, 542 [M+H]+
The following compounds may also be prepared analogously to the foregoing Examples and other methods known from the literature:
Example No. Structure (~) F / `
CI \ NH
H
N \ NN
N O O
(2) F /
CI \ NH
N N\~~N
O
(3) F /
~'~/~
CI NH H
N \ \ N\II N
(4) F /
CI \ NH
H
N \ \ N\II N
H
0, CH3 Example No. Structure (5) F /
CI \ NH
H
N N~II
O
(6) F /
CI \ NH
H
N `~ N\II N
N O 0 (7) F /
CI \ NH H
N a N\II
kN O O
(8) F /
CI \ NH
H
~II N
N
kN ao 0 0 Example No. Structure (9) F /
CI NH H
INI N\ I I N
N O
(10) F /
CI ~ NH H
N N\II N
(11) F /
CI NH H
N N\N
,.i"a (12) F /
CI \ NH
N \ \ N\ II N
Example No. Structure (13) F /
CI \ NH
H
\ \ N
N ~II N
(14) F /
CI \ NH
H
N \ \ N\II N
0 0 I-CO) (15) F
C I \ NH
H
N \ N~N
e N \ / 0 IOI
O
(16) F /
CI \ NH
H
N \ \ N\II N
N / O O
11~0 Example No. Structure (17) F /
\I
Cl NH
H
N N\N
~N 0 0 O
(18) F /
CI \ NH
H
N N~II N
N O D
(19) F /
CI NH
H
N N
N
(20) F /
CI NH
H
INI N\ N
IOI O
N O
I-V
(21) F /
CI NH
H
N \ ~ Neil N
i 0 0 Example No. Structure (22) F / I~
CI/\/~
NH
H
k \ \ IN
/ OI O
N
O
(23) F /
CI NH
H
N \ \ N
kN / O 0 O
O
(24) F /
ZI-I
CI NH
H
INI \ NO N
(25) F
CI NH
H
N \ \ NN
IIII ~N H
00, (26) F / II
CI)\/~
NH
H
N
II \ N N
i / IOI
CO) Example No. Structure (27) F
CI NH
H
N NN
O IOI H
N
(28) F / I~
/\/~
CI NH
H
INI NN
ONE
CO) (29) F /
CI NH
H
N NN
TI NH
(30) F I~
CI/\/~
NH
H
IN~~\ N, CN, (31) F /
H
CI NH ~~~~
N NII N
V/
Example No. Structure (32) F /
CI \ NH
H
N N\~~\N
O O
(33) F /
CI NH
H
IN N y- N
/
N
(34) F /
CI NH
H
INI N \ N
OO
N
O
(35) F /
CI NH
N N
O
O
Example No. Structure (36) F aNH
CI H
N N"7"
O
(37) aNH
HC H
N N~~\N
N O
co) (38) F /
F \ NH
H
N \ N\II N
kN / O 0 (39) /
Br \ NH
H
N \ N\II
kN / O O O
O
Example 3 Coated tablets containing 75 mg of active substance 1 tablet core contains:
active substance 75.0 mg calcium phosphate 93.0 mg corn starch 35.5 mg polyvinylpyrrolidone 10.0 mg hydroxypropylmethylcellulose 15.0 mg magnesium stearate 1.5 mg 230.0 mg Preparation:
The active substance is mixed with calcium phosphate, corn starch, poly-vinylpyrrolidone, hydroxypropylmethylcellulose and half the specified amount of magnesium stearate. Blanks 13 mm in diameter are produced in a tablet-making machine and these are then rubbed through a screen with a mesh size of 1.5 mm using a suitable machine and mixed with the rest of the magnesium stearate. This granulate is compressed in a tablet-making machine to form tablets of the desired shape.
Weight of core: 230 mg die: 9 mm, convex The tablet cores thus produced are coated with a film consisting essentially of hydroxypropylmethylcellulose. The finished film-coated tablets are polished with beeswax.
Weight of coated tablet: 245 mg.
Example 4 Tablets containing 100 mg of active substance Composition:
1 tablet contains:
active substance 100.0 mg lactose 80.0 mg corn starch 34.0 mg polyvinylpyrrolidone 4.0 mg magnesium stearate 2.0 mg 220.0 mg Method of Preparation:
The active substance, lactose and starch are mixed together and uniformly moistened with an aqueous solution of the polyvinylpyrrolidone. After the moist composition has been screened (2.0 mm mesh size) and dried in a rack-type drier at 50 C it is screened again (1.5 mm mesh size) and the lubricant is added. The finished mixture is compressed to form tablets.
Weight of tablet: 220 mg Diameter: 10 mm, biplanar, facetted on both sides and notched on one side.
Example 5 Tablets containing 150 mg of active substance Composition:
1 tablet contains:
active substance 50.0 mg powdered lactose 89.0 mg corn starch 40.0 mg colloidal silica 10.0 mg polyvinylpyrrolidone 10.0 mg magnesium stearate 1.0 mg 300.0 mg Preparation:
The active substance mixed with lactose, corn starch and silica is moistened with a 20% aqueous polyvinylpyrrolidone solution and passed through a screen with a mesh size of 1.5 mm. The granules, dried at 45 C, are passed through the same screen again and mixed with the specified amount of magnesium stearate. Tablets are pressed from the mixture.
Weight of tablet: 300 mg die: 10 mm, flat Example 6 Hard gelatine capsules containing 150 mg of active substance 1 capsule contains:
active substance 50.0 mg corn starch (dried) approx. 80.0 mg lactose (powdered) approx. 87.0 mg magnesium stearate 3.0 mg approx. 420.0 mg Preparation:
The active substance is mixed with the excipients, passed through a screen with a mesh size of 0.75 mm and homogeneously mixed using a suitable apparatus. The finished mixture is packed into size 1 hard gelatine capsules.
Capsule filling: approx. 320 mg Capsule shell: size 1 hard gelatine capsule.
Example 7 Suppositories containing 150 mg of active substance 1 suppository contains:
active substance 150.0 mg polyethyleneglycol 1500 550.0 mg polyethyleneglycol 6000 460.0 mg polyoxyethylene sorbitan monostearate 840.0 mg 2000.0 mg Preparation:
After the suppository mass has been melted the active substance is homogeneously distributed therein and the melt is poured into chilled moulds.
Example 8 Suspension containing 50 mg of active substance 100 ml of suspension contain:
active substance 1.00 g carboxymethylcellulose-Na-salt 0.10 g methyl p-hydroxybenzoate 0.05 g propyl p-hydroxybenzoate 0.01 g glucose 10.00 g glycerol 5.00 g 70% sorbitol solution 20.00 g flavouring 0.30 g dist. water 100 ml Preparation:
The distilled water is heated to 70 C. The methyl and propyl p-hydroxybenzoates together with the glycerol and sodium salt of carboxymethylcelIulose are dissolved therein with stirring. The solution is cooled to ambient temperature and the active substance is added and homogeneously dispersed therein with stirring. After the sugar, the sorbitol solution and the flavouring have been added and dissolved, the suspension is evacuated with stirring to eliminate air.
5 ml of suspension contain 50 mg of active substance.
Example 9 Ampoules containing 10 mg active substance Composition:
active substance 10.0 mg 0.01 N hydrochloric acid q.s.
double-distilled water 2.0 ml Preparation:
The active substance is dissolved in the necessary amount of 0.01 N HCl, made isotonic with common salt, filtered sterile and transferred into 2 ml ampoules.
Example 10 Ampoules containing 50 mg of active substance Composition:
active substance 50.0 mg 0.01 N hydrochloric acid q.s.
double-distilled water 10.0 ml Preparation:
The active substance is dissolved in the necessary amount of 0.01 N HCI, made isotonic with common salt, filtered sterile and transferred into 10 ml ampoules.
Example 11 Capsules for powder inhalation containing 5 mg of active substance 1 capsule contains:
active.substance 5.0 mg lactose for inhalation 15.0 mg 20.0 mg Preparation:
The active substance is mixed with lactose for inhalation. The mixture is packed into capsules in a capsule-making machine (weight of the empty capsule approx. 50 mg).
weight of capsule: 70.0 mg size of capsule = 3 Example 12 Inhalable solution for hand-held nebulisers containing 2.5 mg active substance 1 spray contains:
active substance 2.500 mg benzalkonium chloride 0.001 mg 1 N hydrochloric acid q.s.
ethanol/water (50/50) 15.000 mg Preparation:
The active substance and benzalkonium chloride are dissolved in ethanol/water (50/50). The pH of the solution is adjusted with 1 N
hydrochloric acid. The resulting solution is filtered and transferred into suitable containers for use in hand-held nebulisers (cartridges).
Contents of the container: 4.5 g
N
A-B-C'D-E
IXI ~ ~
N RC
(I), the tautomers, the stereoisomers, the mixtures and the salts thereof, particularly the physiologically acceptable salts thereof with inorganic or organic acids or bases which have valuable pharmacological properties, particularly an inhibitory effect on signal transduction mediated by tyrosine kinases, the use thereof for treating diseases, particularly tumoral diseases, as well as benign prostatic hyperplasia (BPH), diseases of the lungs and respiratory tract, and the preparation thereof.
In the above general formula I
Ra denotes a hydrogen atom or a C1 -alkyl group, Rb denotes a phenyl, benzyl or 1-phenylethyl group, wherein the phenyl nucleus is substituted in each case by the groups R1 to R3, while R1 and R2, which may be identical or different, in each case denote a hydrogen, fluorine, chlorine, bromine or iodine atom, a C14-alkyl, hydroxy, C1 -alkoxy, C2_3-alkenyl or C2_3-alkynyl group, an aryl, aryloxy, arylmethyl or arylmethoxy group, a heteroaryl, heteroaryloxy, heteroarylmethyl or heteroarylmethoxy group, a methyl or methoxy group substituted by 1 to 3 fluorine atoms or a cyano, nitro or amino group, and R3 denotes a hydrogen, fluorine, chlorine or bromine atom, a methyl or trifluoromethyl group, R` denotes a hydrogen atom or a fluorine, chlorine or bromine atom, a hydroxy or C1_4-alkyloxy group, a methoxy group substituted by I to 3 fluorine atoms, an ethyloxy group substituted by 1 to 5 fluorine atoms, a C2_4-alkyloxy group which is substituted by a group R4, where R4 denotes a hydroxy, C1_3-alkyloxy, C3_6-cycloalkyloxy, C3_6-cycloalkyl-C1_3-alkyloxy, amino, C1.3-alkylamino, di-(C1_3-alkyl)amino, bis-(2-C1.3-alkyloxy-ethyl)-amino, bis-(3-C1_3-alkyloxy-propyl)-amino, pyrrolidin-1-yl, piperidin-1-yl, homopiperidin-1-yl, morpholin-4-yl, homomorpholin-4-yl, piperazin-1-yl, 4-(C1-3-alkyl)-piperazin-1-yl, homopiperazin-1-yl or 4-(C1_3-alkyl)-homopiperazin-1-yl group, a C2-4-alkyloxy group which is substituted by the group E, where E is defined as hereinafter, a C3.7-cycloalkyloxy or C3.7-cycloalkyl-C1 -alkyloxy group, a tetrahydrofuran-3-yloxy, tetrahydropyran-3-yloxy or tetra hyd ropyra n-4-yl oxy group, a tetrahydrofuranyl-C1_4-alkyloxy or tetrahydropyranyl-C1_4-alkyloxy group, a pyrrolidin-3-yloxy, piperidin-3-yloxy or piperidin-4-yloxy-group, a 1-(C1.3-alkyl)-pyrrolidin-3-yloxy, 1-(C1_3-alkyl)-piperidin-3-yloxy or 1-(C1_3-alkyl)-piperidin-4-yloxy-group, a C1-4-alkoxy group which is substituted by a pyrrolidinyl, piperidinyl or homopiperidinyl group substituted in the 1 position by the group R5, where R5 denotes a hydrogen atom or a C1.3-alkyl group, or a C1-4-alkoxy group which is substituted by a morpholinyl or homomorpholinyl group substituted in the 4 position by the group R5, where R5 is as hereinbefore defined, A denotes an imino or C1..4-alkylimino group, B denotes a carbonyl or sulphonyl group, C'denotes a 1,3-allenylene, 1,1-vinylene or 1,2-vinylene group which may be substituted in each case by one or two methyl groups or by a trifluoromethyl group, an ethynylene group or a 1,3-butadien-1,4-ylene group which may be substituted by one or two methyl groups or by a trifluoromethyl group, D denotes a straight-chain or branched C1-0-alkylene group, E denotes a pyrrolidin-1-yl group wherein two hydrogen atoms on the carbon skeleton are replaced by a straight-chain alkylene bridge, this bridge containing 2 to 6 carbon atoms if the two hydrogen atoms are located on the same carbon atom, or 1 to 5 carbon atoms if the two hydrogen atoms are located on adjacent carbon atoms, or 2 to 4 carbon atoms if the two hydrogen atoms are located on carbon atoms which are separated by one atom, while the abovementioned pyrrolidin-1-yl groups may each additionally be substituted by one or two C1_3-alkyl groups, a piperidin-1-yl or homopiperidin-1-yl group, wherein in each case two hydrogen atoms on the carbon skeleton are replaced by a straight-chain alkylene bridge, this bridge containing 2 to 6 carbon atoms if the two hydrogen atoms are located on the same carbon atom, or 1 to 5 carbon atoms if the two hydrogen atoms are located on adjacent carbon atoms, or 1 to 4 carbon atoms if the two hydrogen atoms are located on carbon atoms which are separated by one atom, or 1 to 3 carbon atoms if the two hydrogen atoms are located on carbon atoms which are separated by two atoms, while the abovementioned piperidin-1-yl- and homopiperidin-1-yl groups may each additionally be substituted by one or two C1.3-alkyl groups, a piperazin-1-yl or homopiperazin-1-yl group, wherein in each case two hydrogen atoms on the carbon skeleton are replaced by a straight-chain alkylene bridge, this bridge containing 2 to 6 carbon atoms if the two hydrogen atoms are located on the same carbon atom, or 1 to 5 carbon atoms if the two hydrogen atoms are located on adjacent carbon atoms, or I to 4 carbon atoms if the two hydrogen atoms are located on carbon atoms which are separated by one atom, or I to 3 carbon atoms if the two hydrogen atoms are located on carbon atoms which are separated by two atoms, while the abovementioned piperazin-1-yl- and homopiperazin-1-yl groups may each additionally be substituted by one or two C1.3-alkyl groups, a morpholin-4-yl or homomorpholin-4-yl group, wherein in each case two hydrogen atoms on the carbon skeleton are replaced by a straight-chain alkylene bridge, this bridge containing 2 to 6 carbon atoms if the two hydrogen atoms are located on the same carbon atom, or 1 to 5 carbon atoms if the two hydrogen atoms are located on adjacent carbon atoms, or 1 to 4 carbon atoms if the two hydrogen atoms are located on carbon atoms which are separated by one atom, or 1 to 3 carbon atoms if the two hydrogen atoms are located on carbon atoms which are separated by two atoms, while the abovementioned morpholin-4-yl- and homomorpholin-4-yl may each additionally be substituted by one or two C1_3-alkyl groups, and X denotes a methyne group substituted by a cyano group or a nitrogen atom, whilst by the aryl groups mentioned in the definition of the above groups is meant in each case a phenyl group which is mono- or disubstituted by R6, while the substituents may be identical or different and R6 denotes a hydrogen atom, a fluorine, chlorine, bromine or iodine atom or a C1.3-alkyl, hydroxy, C1_3-alkyloxy, difluoromethyl, trifluoromethyl, difluoromethoxy, trifluoromethoxy or cyano group, by the heteroaryl groups mentioned in the definition of the above groups is meant a pyridyl, pyridazinyl, pyrimidinyl or pyrazinyl group, while the abovementioned heteroaryl groups are each mono- or disubstituted by the group R6, while the substituents may be identical or different and R6 is as hereinbefore defined, and unless otherwise stated, the abovementioned alkyl groups may be straight-chained or branched.
Preferred compounds of the above general formula I are those wherein Ra denotes a hydrogen atom, Rb denotes a phenyl group substituted by the groups R1 to R3, where R1 denotes a hydrogen, fluorine, chlorine or bromine atom, a methyl, trifluoromethyl or ethynyl group, a phenyloxy or phenylmethoxy group, wherein the phenyl moiety of the abovementioned groups is optionally substituted by a fluorine or chlorine atom, or a pyridinyloxy or pyridinylmethoxy group, wherein the pyridinyl moiety of the abovementioned groups is optionally substituted by a methyl or trifluoromethyl group, R2 denotes a hydrogen, fluorine or chlorine atom and R3 denotes a hydrogen atom, Rc denotes a hydrogen atom, a C1.3-alkyloxy group, a C4_6-cycloalkyloxy or C3_6-cycloalkyl-C1_2-alkyloxy-group, a tetrahydrofuran-3-yloxy, tetra hydropyran-3-yloxy, tetrahydropyran-4-yloxy, tetra hydrofuranyl-C1_2-alkyloxy or tetra hydropyranyl-C1_2-alkyloxy group, an ethyloxy group which is substituted in the 2 position by a group R4, where R4 denotes a hydroxy, C1.3-alkyloxy, amino, C1.3-alkylamino, di-(C1_3-alkyl)amino, bis-(2-methoxyethyl)-amino, pyrrolidin-1-yl, piperidin-1-yl, homopiperidin-1-yl, morpholin-4-yl, homomorpholin-4-yl, piperazin-1-yl, 4-(C1.3-alkyl)-piperazin-1-yl, homopiperazin-l-yl, or 4-(C1.3-alkyl)-homopiperazin-1-yl group, a propyloxy group which is substituted in the 3 position by a group R4, where R4 is as hereinbefore defined, or a butyloxy group which is substituted in the 4 position by a group R4 where R4 is as hereinbefore defined, A denotes an imino group, B denotes a carbonyl or sulphonyl group, C'denotes a 1,1-vinylene, 1,2-vinylene or ethynylene group, D denotes a methylene, 1,1-ethylene or 1,2-ethylene group, E denotes a piperidin-1-yl group wherein two hydrogen atoms on the carbon skeleton are replaced by a straight-chain alkylene bridge, this bridge containing 2 to 5 carbon atoms if the two hydrogen atoms are located on the same carbon atom, or 1 to 4 carbon atoms if the two hydrogen atoms are located on adjacent carbon atoms, or 1 to 3 carbon atoms if the two hydrogen atoms are located on carbon atoms which are separated by one atom, or 1 or 2 carbon atoms if the two hydrogen atoms are located on carbon atoms which are separated by two atoms, while the abovementioned piperidin-1-yi groups may each additionally be substituted by one or two C1_3-alkyl groups, a piperazin-1-yl group wherein two hydrogen atoms on the carbon skeleton are replaced by a straight-chain alkylene bridge, this bridge containing 2 to carbon atoms if the two hydrogen atoms are located on the same carbon atom, or 1 to 4 carbon atoms if the two hydrogen atoms are located on adjacent carbon atoms, or 1 to 3 carbon atoms if the two hydrogen atoms are located on carbon atoms which are separated by one atom, or 1 or 2 carbon atoms if the two hydrogen atoms are located on carbon atoms which are separated by two atoms, while the abovementioned piperazin-1-yl groups may each additionally be substituted by one or two C1_3-alkyl groups, or a morpholin-4-yl group wherein two hydrogen atoms on the carbon skeleton are replaced by a straight-chain alkylene bridge, this bridge containing 2 to carbon atoms if the two hydrogen atoms are located on the same carbon atom, or 1 to 4 carbon atoms if the two hydrogen atoms are located on adjacent carbon atoms, or 1 to 3 carbon atoms if the two hydrogen atoms are located on carbon atoms which are separated by one atom, or 1 or 2 carbon atoms if the two hydrogen atoms are located on carbon atoms which are separated by two atoms, while the abovementioned morpholin-4-yl groups may each additionally be substituted by one or two CI_3-alkyl groups, and X represents a nitrogen atom, while, unless otherwise stated, the abovementioned alkyl groups may be straight-chain or branched, their tautomers, their stereoisomers, their mixtures and their salts.
Particularly preferred compounds of the above general formula I are those wherein Ra denotes a hydrogen atom, Rb denotes a 3-ethynyiphenyl, 3-bromophenyl, 3,4-difluorophenyl or 3-chioro-4-fluoro-phenyl group, R` denotes a hydrogen atom, a methoxy, ethyloxy, 2-(methoxy)ethyloxy, 3-(morpholin-4-yl)propyloxy, cyclo-butyloxy, cyclopentyloxy, cyclohexyloxy, cyclopropylmethoxy, cyclopentylmethoxy, tetra hyd rofu ra n-3-yloxy, tetrahydropyran-3-yloxy, tetra hydropyran-4-yloxy, tetra hyd rofu ran-2-yl methoxy, tetra hyd rofu ran-ylmethoxy or tetrahydropyran-4-ylmethoxy group, A denotes an imino group, B denotes a carbonyl group, C'denotes a 1,2-vinylene group, D denotes a methylene group, E denotes a 2-aza-bicyclo[2.2.1]hept-2-yl, 2,5-diaza-bicyclo[2.2.1]hept-2-yl, 5-methyl-2,5-diaza-bicyclo[2.2.1]hept-2-yl, 2-oxa-5-aza-bicyclo[2.2.I]hept-5-yl, 2-aza-bicyclo[2.2.2]oct-2-yl, 3-aza-bicyclo[3.2.1 ]oct-3-yl, 8-aza-bicyclo[3.2.1 ]oct-8-yl, 3,8-diaza-bicyclo[3.2.1 ]oct-3-yl, 8-methyl-3,8-diaza-bicyclo[3.2.1 ]oct-3-yl, 3,8-diaza-bicyclo[3.2.1 ]oct-8-yl, 3-methyl-3,8-diaza-bicyclo[3.2.1]oct-8-yl, 3-oxa-8-aza-bicyclo[3.2. 1 ]oct-8-yl or 8-oxa-3-aza-bicyclo[3.2.1 ]oct-3-yl group and X denotes a nitrogen atom, their tautomers, their stereoisomers, their mixtures and their salts.
Most particularly preferred compounds of general formula I are those wherein Ra denotes a hydrogen atom, Rb denotes a 3-chloro-4-fluoro-phenyl group, R` denotes a tetrahydrofuran-3-yloxy, cyclopentyloxy or cyclopropylmethoxy group, A denotes an imino group, B denotes a carbonyl group, C'denotes a 1,2-vinylene group, D denotes a methylene group, E denotes a 2-oxa-5-aza-bicyclo[2.2.1]hept-5-yl group, a 3-oxa-8-aza-bicyclo[3.2.1]oct-8-yl group or an 8-oxa-3-aza-bicyclo[3.2.1]oct-3-yl group and X denotes a nitrogen atom, their tautomers, their stereoisomers, their mixtures and their salts.
The following are mentioned as examples of particularly preferred compounds of general formula I:
(a) 4-[(3-chloro-4-fluoro-phenyl)amino]-6-{[4-((1 S,4S)-2-oxa-5-aza-bicyclo[2.2.1 ]hept-5-yl)-1-oxo-2-buten-1-yl]amino}-7-cyclopropylmethoxy-qu inazoline, (b) 4-[(3-chloro-4-fl uoro-phenyl)amino]-6-{[4-((1 S,4S)-2-oxa-5-aza-bicyclo[2.2.1 ]hept-5-yl)-1-oxo-2-buten-1-yl]amino}-7-cyclopentyloxy-quinazoline, (c) 4-[(3-chloro-4-fluoro-phenyl)amino]-6-{[4-((1 S,4S)-2-oxa-5-aza-bicyclo[2.2. 1 ]hept-5-yl)-1-oxo-2-buten-1-yl]amino}-7-[(S)-(tetrahyd rofu ran-3-yl )oxy]-qu inazoline, (d) 4-[(3-chloro-4-fluoro-phenyl)amino]-6-{[4-(3-oxa-8-aza-bicyclo[3.2.1 ]oct-8-yl)-1-oxo-2-buten-1-yl]amino}-7-[(S)-(tetrahyd rofuran-3-yl )oxy]-q u i nazol i n e, (e) 4-[(3-chloro-4-fluoro-phenyl)amino]-6-{[4-((1 R,4R)-2-oxa-5-aza-bicyclo[2.2. 1]hept-5-yl)-1-oxo-2-buten-1-yl]amino}-7-[(S)-(tet ra h yd rof u ra n-3-y l )oxy] -quinazoline , (f) 4-[(3-chloro-4-fluoro-phenyl)amino]-6-{[4-(8-oxa-3-aza-bicyclo[3.2.1 ]oct-3-yl)-1-oxo-2-buten-1-yl]amino}-7-[(S)-(tetrahydrofuran-3-yl)oxy]-qu inazoline, (g) 4-[(3-chloro-4-fluoro-phenyl)amino]-6-{[4-((1 R,4R)-2-oxa-5-aza-bicyclo[2.2.1 ]hept-5-yl)-1-oxo-2-buten-1-yl]amino}-7-[(R)-(tetrahydrofuran-3-yl)oxy]-quinazoline and (h) 4-[(3-chloro-4-fluoro-phenyl)amino]-6-{[4-((1 S,4S)-2-oxa-5-aza-bicyclo[2.2.1 ]hept-5-yl)-1-oxo-2-buten-1-yl]amino}-7-[(R)-(tetrahydrofuran-3-yl)oxy]-qu inazoline, and the salts thereof.
The compounds of general formula I may be prepared for example by the following methods:
a) reacting a compound of general formula RAN Rb O~ O-R7 f-P
X
N R
(ll) wherein Ra, Rb, Rc, A, B and X are as hereinbefore defined and R7 and R8, which may be identical or different, denote C1_4-alkyl groups, with a compound or general formula OHC'- D - E, (III) wherein C, D and E are as hereinbefore defined.
The reaction is expediently carried out in a solvent or mixture of solvents such as tetrahydrofuran, tetra hydrofuran/water, acetonitrile, acetonitrile/water, dioxane, ethyleneglycol dimethyl ether, isopropanol, methylene chloride, dimethylformamide or sulpholane optionally in the presence of an inorganic or organic base, e.g. sodium carbonate, potassium hydroxide or 1,8-diazabicyclo[5.4.0]undec-7-ene and optionally in the presence of a lithium salt such as lithium chloride at temperatures between -50 and 150 C, but preferably at temperatures between -20 and 80 C. The reaction may also be carried out with a reactive derivative of the compound of general formula III, for example the hydrate or a hemiacetal.
b) reacting a compound of general formula RRb N
A-B-C D-Z' N Rc (IV) wherein Ra, Rb, R`, A, B, C', D and X are as hereinbefore defined and Z' denotes a leaving group such as a halogen atom or a substituted sulphonyloxy group such as a chlorine or bromine atom, a methanesulphonyloxy or p-toluenesulphonyloxy group, with a compound of general formula H - E, (V) wherein E is as hereinbefore defined.
The reaction is expediently carried out in a solvent such as isopropanol, butanol, tetrahydrofuran, dioxane, acetonitrile, dimethylformamide, sulpholane, toluene or methylene chloride or mixtures thereof, optionally in the presence of an inorganic or organic base, e.g. sodium carbonate, potassium carbonate, potassium hydroxide, triethylamine or N-ethyl-diisopropylamine and optionally in the presence of a reaction accelerator such as an alkali metal iodide at temperatures between -20 and 150 C, but preferably at temperatures between 0 and 100 C. The reaction may, however, also be carried out without a solvent or in an excess of the compound of general formula V used.
In the reactions described hereinbefore, any reactive groups present such as hydroxy, amino, alkylamino or imino groups may be protected during the reaction by conventional protecting groups which are cleaved again after the reaction.
For example, a protecting group for a hydroxy group may be a trimethylsilyl, acetyl, trityl, benzyl or tetrahydropyranyl group.
Protecting groups for an amino, alkylamino or imino group may be a formyl, acetyl, trifluoroacetyl, ethoxycarbonyl, tert.butoxycarbonyl, benzyloxycarbonyl, benzyl, methoxybenzyl or 2,4-dimethoxybenzyl group, for example.
Any protecting group used is optionally subsequently cleaved for example by hydrolysis in an aqueous solvent, e.g. in water, isopropanol/water, acetic acid/water, tetrahydrofuran/water or dioxan/water, in the presence of an acid such as trifluoroacetic acid, hydrochloric acid or sulphuric acid or in the presence of an alkali metal base such as sodium hydroxide or potassium hydroxide or aprotically, e.g. in the presence of iodotrimethylsilane, at temperatures between 0 and 120 C, preferably at temperatures between 10 and 100 C.
However, a benzyl, methoxybenzyl or benzyloxycarbonyl group is cleaved, for example hydrogenolytically, e.g. with hydrogen in the presence of a catalyst such as palladium/charcoal in a suitable solvent such as methanol, ethanol, ethyl acetate or glacial acetic acid, optionally with the addition of an acid such as hydrochloric acid at temperatures between 0 and 100 C, but preferably at ambient temperatures between 20 and 60 C, and at a hydrogen pressure of 1 to 7 bar, but preferably 3 to 5 bar. A 2,4-dimethoxybenzyl group, however, is preferably cleaved in trifluoroacetic acid in the presence of anisole.
A tert.butyl or tert.butyloxycarbonyl group is preferably cleaved by treating with an acid such as trifluoroacetic acid or hydrochloric acid or by treating with iodotrimethylsilane optionally using a solvent such as methylene chloride, dioxan, methanol or diethyl ether.
A trifluoroacetyl group is preferably cleaved by treating with an acid such as hydrochloric acid, optionally in the presence of a solvent such as acetic acid at temperatures between 50 and 120 C or by treating with sodium hydroxide solution, optionally in the presence of a solvent such as tetrahydrofuran at temperatures between 0 and 50 C.
Moreover, the compounds of general formula I obtained may be resolved into their enantiomers and/or diastereomers, as mentioned hereinbefore. Thus, for example, cis/trans mixtures may be resolved into their cis and trans isomers, and compounds with at least one optically active carbon atom may be separated into their enantiomers.
Thus, for example, the cis/trans mixtures may be resolved by chromatography into the cis and trans isomers thereof, the compounds of general formula I
obtained which occur as racemates may be separated by methods known per se (cf. Allinger N. L. and Eliel E. L. in "Topics in Stereochemistry", Vol. 6, Wiley Interscience, 1971) into their optical antipodes and compounds of general formula I with at least 2 asymmetric carbon atoms may be resolved into their diastereomers on the basis of their physical-chemical differences using methods known per se, e.g. by chromatography and/or fractional crystallisation, and, if these compounds are obtained in racemic form, they may subsequently be resolved into the enantiomers as mentioned above.
The enantiomers are preferably separated by column separation on chiral phases or by recrystallisation from an optically active solvent or by reacting with an optically active substance which forms salts or derivatives such as e.g. esters or amides with the racemic compound, particularly acids and the activated derivatives or alcohols thereof, and separating the diastereomeric mixture of salts or derivatives thus obtained, e.g. on the basis of their differences in solubility, whilst the free antipodes may be released from the pure diastereomeric salts or derivatives by the action of suitable agents.
Optically active acids in common use are e.g. the D- and L-forms of tartaric acid or dibenzoyltartaric acid, di-o-tolyltartaric acid, malic acid, mandelic acid, camphorsulphonic acid, glutamic acid, aspartic acid or quinic acid. An optically active alcohol may be for example (+) or (-)-menthol and an optically active acyl group in amides may be a (+)- or (-)-menthyloxycarbonyl, for example.
Furthermore, the compounds of formula I may be converted into the salts thereof, particularly for pharmaceutical use into the physiologically acceptable salts with inorganic or organic acids. Acids which may be used for this purpose include for example hydrochloric acid, hydrobromic acid, sulphuric acid, methanesulphonic acid, phosphoric acid, fumaric acid, succinic acid, lactic acid, citric acid, tartaric acid or maleic acid.
As already mentioned hereinbefore, the compounds of general formula I
according to the invention and the physiologically acceptable salts thereof have valuable pharmacological properties, particularly an inhibiting effect on signal transduction mediated by the Epidermal Growth Factor receptor (EGF-R), whilst this may be achieved for example by inhibiting ligand bonding, receptor dimerisation or tyrosine kinase itself. It is also possible that the transmission of signals to components located downstream is blocked.
The biological properties of the new compounds were investigated as follows:
The inhibition of human EGF-receptor kinase was determined using the cyto-plasmic tyrosine kinase domain (methionine 664 to alanine 1186 based on the sequence published in Nature 309 (1984), 418). For this the protein was expressed in Sf9 insect cells as GST fusion protein using the Baculovirus expression system.
The enzyme activity was measured in the presence or absence of the test compounds in serial dilutions. The polymer pEY (4:1) obtained from SIGMA
was used as the substrate. Biotinylated pEY (bio-pEY) was added as the tracer substrate. 100 pl of reaction solution contained 10 pl of the inhibitor in 50% DMSO, 20 pl of the substrate solution (200 mM HEPES pH 7.4, 50 mM
magnesium acetate, 2.5 mg/ml poly(EY), 5 pg/mi bio-pEY) and 20 pl of enzyme preparation. The enzyme reaction was started by the addition of 50 pl of a 100 pM ATP solution in 10 mM of magnesium chloride. The dilution of the enzyme preparation was adjusted so that the incorporation of phosphate in the bio-pEY was linear in terms of time and quantity of enzyme. The enzyme preparation was diluted in 20 mM HEPES pH 7.4, 1 mM EDTA, 130 mM
common salt, 0.05% Triton X-100, 1 mM DTT and 10% glycerol.
The enzyme assays were carried out at ambient temperature over a period of 30 minutes and ended by the addition of 50 pl of a stopping solution (250 mM
EDTA in 20 mM HEPES pH 7.4). 100 pl were placed on a streptavidin-coated microtitre plate and incubated for 60 minutes at ambient temperature. Then the plate was washed with 200 pl of a wash solution (50 mM Tris, 0.05%
Tween 20). After the addition of 100 pl of an HRPO-labelled anti-PY antibody (PY20H Anti-PTyr:HRP made by Transduction Laboratories, 250 ng/ml) the preparation was incubated for 60 minutes. Then the microtitre plate was washed three times with 200 pl of wash solution. The samples were then combined with 100 pl of a TMB-peroxidase solution (A:B = 1:1, Kirkegaard Perry Laboratories). After 10 minutes the reaction was stopped. The extinction was measured at OD450nm with an ELISA reader. All the results were measured three times.
The data were adapted by iterative calculation using an analytical programme for sigmoid curves (Graph Pad Prism Version 3.0) with a variable Hill pitch.
All the iterative data produced had a correlation coefficient of more than 0.9 and the upper and lower values of the curves showed a spread of at least a factor of 5. The active substance concentration which inhibits the activity of EGF
receptor kinase by 50% (IC50) was derived from the curves.
The following results were obtained:
Compound Inhibition of EGF-receptor (Example No.) kinase IC50 [nM]
1 1.5 1(1) 0.5 2 0.5 2(2) 0.5 2(3) 2 The compounds of general formula I according to the invention thus inhibit signal transduction by tyrosine kinases, as demonstrated by the example of the human EGF receptor, and are therefore useful for treating pathophysiological processes caused by hyperfunction of tyrosine kinases.
These are e.g. benign or malignant tumours, particularly tumours of epithelial and neuroepithelial origin, metastasisation and the abnormal proliferation of vascular endothelial cells (neoangiogenesis).
The compounds according to the invention are also useful for preventing and treating diseases of the airways and lungs which are accompanied by increased or altered production of mucus caused by stimulation by tyrosine kinases, e.g. in inflammatory diseases of the airways such as chronic bronchitis, chronic obstructive bronchitis, asthma, bronchiectasis, allergic or non-allergic rhinitis or sinusitis, cystic fibrosis, al-antitrypsin deficiency, or coughs, pulmonary emphysema, pulmonary fibrosis and hyperreactive airways.
The compounds are also suitable for treating diseases of the gastrointestinal tract and bile duct and gall bladder which are associated with disrupted activity of the tyrosine kinases, such as may be found e.g. in chronic inflammatory changes such as cholecystitis, Crohn's disease, ulcerative colitis, and ulcers in the gastrointestinal tract or such as may occur in diseases of the gastrointestinal tract which are associated with increased secretions, such as Menetrier's disease, secreting adenomas and protein loss syndrome.
In addition, the compounds of general formula I and the physiologically acceptable salts thereof may be used to treat other diseases caused by abnormal function of tyrosine kinases, such as e.g. epidermal hyperproliferation (psoriasis), benign prostatic hyperplasia (BPH), inflammatory processes, diseases of the immune system, hyperproliferation of haematopoietic cells, etc.
By reason of their biological properties the compounds according to the invention may be used on their own or in conjunction with other pharmacologically active compounds, for example in tumour therapy, in monotherapy or in conjunction with other anti-tumour therapeutic agents, for example in combination with topoisomerase inhibitors (e.g. etoposide), mitosis inhibitors (e.g. vinbiastine), compounds which interact with nucleic acids (e.g.
cis-platin, cyclophosphamide, adriamycin), hormone antagonists (e.g.
tamoxifen), inhibitors of metabolic processes (e.g. 5-FU etc.), cytokines (e.g.
interferons), antibodies, etc. For treating respiratory tract diseases, these compounds may be used on their own or in conjunction with other therapeutic agents for the airways, such as substances with a secretolytic (e.g. ambroxol, N-acetylcysteine) , broncholytic (e.g. tiotropium or ipratropium or fenoterol, salmeterol, salbutamol) and/or anti-inflammatory activity (e.g. theophylline or glucocorticoids). For treating diseases in the region of the gastrointestinal tract, these compounds may also be administered on their own or in conjunction with substances having an effect on motility or secretion. These combinations may be administered either simultaneously or sequentially.
These compounds may be administered either on their own or in conjunction with other active substances by intravenous, subcutaneous, intramuscular, intraperitoneal or intranasal route, by inhalation or transdermally or orally, whilst aerosol formulations are particularly suitable for inhalation.
For pharmaceutical use the compounds according to the invention are generally used for warm-blooded vertebrates, particularly humans, in doses of 0.01-100 mg/kg of body weight, preferably 0.1-15 mg/kg. For administration they are formulated with one or more conventional inert carriers and/or diluents, e.g. with corn starch, lactose, glucose, microcrystalline cellulose, magnesium stearate, polyvinylpyrrolidone, citric acid, tartaric acid, water, water/ethanol, water/glycerol, water/sorbitol, water/polyethylene glycol, propylene glycol, stearyl alcohol, carboxymethylcellulose or fatty substances such as hard fat or suitable mixtures thereof in conventional galenic preparations such as plain or coated tablets, capsules, powders, suspensions, solutions, sprays or suppositories.
The following Examples are intended to illustrate the present invention without restricting it:
Preparation of the starting compounds:
Example I
4-[(3-chloro-4-fluoro-phenyl)aminol-6-[(diethoxy-phosphoryl)-acetylaminol-7-RS)-(tetrahydrofu ran-3-yl)oxyl-guinazoline 60.07 g of diethoxyphosphorylacetic acid are placed in 750 ml N,N-dimethylformamide and at ambient temperature combined with 48.67 g of N,N'-carbonyldiimidazole. After the development of gas has ended 90.00 g of 4-[(3-chloro-4-fluoro-phenyl)amino]-6-amino-[(S)-(tetrahydrofu ran-3-yl)oxy]-quinazoline are added and the reaction mixture is stirred for about 4-5 hours at ambient temperature until the reaction is complete. The reaction mixture is then heated gently in a water bath and two batches of 750 ml of water are added. The thick suspension is stirred overnight and the next morning another 350 ml of water are added. The suspension is cooled in the ice bath, stirred for another hour and suction filtered. The filter cake is washed with 240 ml of N,N-dimethylformamide/water (1:2) and 240 ml of diisopropylether and dried at 40 C in a circulating air drier.
Yield: 117.30 g (88 % of theory) Rf value: 0.37 (silica gel, methylene chloride/methanol = 9:1) Mass spectrum (ESI+): m/z = 553, 555 [M+H]+
The following compound is obtained analogously to Example I:
(1) 4-[(3-chloro-4-fluoro-phenyl)amino]-6-[(diethoxy-phosphoryl)-acetylamino]-7-[(R)-(tetrahydrofuran-3-yl)oxy]-quinazoline Mass spectrum (ESI+): m/z = 553, 555 [M+H]+
Example II
(1S 4S)-(2-oxa-5-aza-bicyclo[2.2.1]hept-5-yl)-acetaldehyde-hydrochloride Prepared by treating (1 S,4S)-5-(2,2-dimethoxy-ethyl)-2-oxa-5-aza-bicyclo[2.2.1]heptane with conc. hydrochloric acid in water at 80 C. The solution obtained is further reacted directly in Example 2 and 2(5).
The following compounds are obtained analogously to Example II:
(1) (3-oxa-8-aza-bicyclo[3.2.1 ]oct-8-yl)-acetaldehyde-hydrochloride The solution obtained is further reacted directly in Example 2(1).
(2) (1 R,4R)-(2-oxa-5-aza-bicyclo[2.2.1]hept-5-yi)-acetaldehyde-hydrochloride The solution obtained is further reacted directly in Example 2(2) and 2(4).
(3) (8-oxa-3-aza-bicyclo[3.2.1]oct-3-yl)-acetaldehyde-hydrochloride The solution obtained is further reacted directly in Example 2(3).
Example III
(1 S 4S)-5-(2,2-dimethoxy-ethyl)-2-oxa-5-aza-bicyclo[2.2.11heptane Prepared by reacting (1 S,4S)-2-oxa-5-aza-bicyclo[2.2.1]heptane-hydrochloride with bromoacetaldehyde-dimethylacetal in the presence of potassium carbonate in N-methylpyrrolidinone at 100 C.
Rf value: 0.35 (silica gel, methylene chloride/methanol/conc. aqueous ammonia = 90:10:1) Mass spectrum (ESI+): m/z = 188 [M+H]+
The following compounds are obtained analogously to Example III:
(1) 8-(2,2-dimethoxy-ethyl)-3-oxa-8-aza-bicyclo[3.2.1 ]octane Rf value: 0.81 (silica gel, methylene chloride/methanol/conc. aqueous ammonia = 90:10:1) (2) (1 R,4R)-5-(2,2-dimethoxy-ethyl)-2-oxa-5-aza-bicyclo[2.2.1]heptane Rf value: 0.23 (silica gel, ethyl acetate/methanol/conc. aqueous ammonia =
90:10:1) Mass spectrum (ESI+): m/z = 188 [M+H]+
The (1 R,4R)-2-oxa-5-aza-bicyclo[2.2.1 ]heptane-hydrochloride used is prepared by reacting (2R,4R)-1-(tert.-butyloxycarbonyl)-2-[(4-methylphenyl-sulphonyloxy)-methyl]-4-hydroxy-pyrrolidine (see J. Org. Chem., 1992, 57, 3783-3789) with sodium hydride in tetrahydrofuran and subsequently treating it with hydrochloric acid in dioxane.
(3) 3-(2,2-dimethoxy-ethyl)-8-oxa-3-aza-bicyclo[3.2.1 ]octane Rf value: 0.84 (silica gel, ethyl acetate/methanol/conc. aqueous ammonia =
90:10:1) Preparation of the final compounds:
Example 1 4-f(3-chloro-4-fluoro-phenyl)aminol-6-{f4-((1 S,4S)-2-oxa-5-aza-bicyclof2.2.1lhept-5-vl)-1-oxo-2-buten-1-yllamino} 7-cyclopropylmethox --guinazoline F
CI \ NH
H
NI N
,10 N
N ~'O
4.50 g of bromocrotonic acid are dissolved in 40 ml of methylene chloride and combined with 4.70 ml of oxalyl chloride. After the addition of 0.02 ml of N,N-dimethylformamide a vigorous development of gas sets in which is finished after about two hours. The reaction mixture is evaporated down in vacuo and the flask residue is dissolved in 40 ml methylene chloride. This solution is added dropwise to a mixture of 7.00 g of 4-[(3-chloro-4-fluoro-phenyl)amino]-6-amino-7-cyclopropylmethoxy-quinazoline and 9.60 ml of Hunig base in 80 ml of tetrahydrofuran while cooling with an ice bath. The reaction solution is stirred for one hour in the ice bath and for another hour at ambient temperature.
One fifth of this solution is then removed and combined with 740 mg of (1 S,4S)-2-oxa-5-aza-bicyclo[2.2. 1 ]heptane-hydrochloride and 1 ml of Hunig base. The reaction mixture is stirred overnight at 60 C and then evaporated down in vacuo. The flask residue is taken up with ethyl acetate and a little methanol and-extracted with water. The organic phase is taken up on silica gel and chromatographed through a silica gel column with ethyl acetate/methanol (95:5 to 70:30) as eluant. The product obtained is crystallised from diisopropylether and suction filtered.
Yield: 850 mg (42 % of theory) Rf value: 0.36 (silica gel, ethyl acetate/methanol = 9:1) Mass spectrum (ESI+): m/z = 524, 526 [M+H]+
The following compound is obtained analogously to Example 1:
(1) 4-[(3-chloro-4-fluoro-phenyl)amino]-6-{[4-((1 S,4S)-2-oxa-5-aza-bicyclo[2.2. 1 ]hept-5-yl)-1-oxo-2-buten-1-yl]amino}-7-cyclopentyloxy-quinazoline F
CI \ 1 NH
N N
Rf value: 0.40 (Reversed phase ready-made TLC plate (E. Merck), acetonitrile/water/ trifluoroacetic acid = 50:50:1) Mass spectrum (ESI"): m/z = 536, 538 [M-H]"
Example 2 4-[(3-chloro-4-fluoro-phenyl)amino1-6-{[4-((1 S,4S)-2-oxa-5-aza-bicyclof 2.2.1lhept-5-yl)-1-oxo-2-buten-1-yllamino}-7-f (S)-(tetrahydrofu ran-yl)oxyl-quinazoline F
~I
CI NH H
NI NI /
`N O
O O
Col A solution of 4.44 g of 4-[(3-chloro-4-fluoro-phenyl)amino]-6-[2-(diethoxy-phosphoryl)-acetylamino]-7-[(S)-(tetrahydrofuran-3-yl)oxy]-quinazoline in 22 ml of tetrahydrofuran is added at ambient temperature to a solution of 340 mg of lithium chloride in 22 ml of water. Then 2.73 g of potassium hydroxide flakes are added and the reaction mixture is cooled to -3 C in a cooling bath of ice and acetone. The solution of (1 S,4S)-(2-oxa-5-aza-bicyclo[2.2.1]hept-5-yl)-acetaldehyde-hydrochloride obtained in Example II is then added dropwise within 5 min at a temperature of 0 C. After the addition has ended the reaction mixture is stirred for another 10 min at 0 C and another 20 min at ambient temperature. For working up 100 ml of ethyl acetate are added and the aqueous phase is separated off. The organic phase is washed with saturated sodium chloride solution, dried over magnesium sulphate and evaporated down. The crude product is purified by chromatography over a silica gel column with methylene chloride/methanol/conc. methanolic ammonia (980:18:2 to 750:225:25) as eluant. The product obtained is brought to crystallisation with a little diisopropylether.
Yield: 2.60 g (60 % of theory) Rf value: 0.33 (silica gel, methylene chloride/methanol/conc. aqueous ammonia = 90:10:1) Mass spectrum (ESI+): m/z = 540, 542 [M+H]+
The following compounds are obtained analogously to Example 2:
(1) 4-[(3-chloro-4-fluoro-phenyl)amino]-6-{[4-(3-oxa-8-aza-bicyclo[3.2.1 ]oct-yI)-1-oxo-2-buten-1-yl]amino}-7-[(S)-(tetrahydrofuran-3-yl)oxy]-quinazoline F /
\I
CI NH
H
N ao 0 O
Mass spectrum (ESI+): m/z = 554, 556 [M+H]+
(2) 4-[(3-chloro-4-fluoro-phenyl)amino]-6-{[4-((1 R,4R)-2-oxa-5-aza-bicyclo[2.2.1 ]hept-5-yl)-1-oxo-2-buten-1-yl]amino}-7-[(S)-(tetrahyd rofu ran-yl)oxy]-quinazoline F /
CI \ NH
H
N \ N\ II N
O O O
N
Rf value: 0.08 (silica gel, ethyl acetate/methanol/conc. aqueous ammonia =
90:10:1) Mass spectrum (ESI'): m/z = 538, 540 [M-H]-(3) 4-[(3-chloro-4-fluoro-phenyl)amino]-6-{[4-(8-oxa-3-aza-bicyclo[3.2.1 ]oct-yl)-1-oxo-2-buten-1-yl]amino}-7-[(S)-(tetrahydrofuran-3-yl)oxy]-quinazoline F /
CI NH
H~~
N \ N-II~ N
O
Rf value: 0.77 (aluminium oxide, ethyl acetate/methanol = 95:5) Mass spectrum (ESI+): m/z = 554, 556 [M+H]+
(4) 4-[(3-chloro-4-fluoro-phenyl)amino]-6-{[4-((1 R,4R)-2-oxa-5-aza-bicyclo[2.2.1 ]kept-5-yl)-1-oxo-2-buten-1-yl]amino}-7-[(R)-(tetrahydrofuran-3-yl)oxy]-quinazoline F
CI NH
H
\ \ N\II N
N N O O
Mass spectrum (ESI+): m/z = 540, 542 [M+H]+
(5) 4-[(3-chloro-4-fluoro-phenyl)amino]-6-{[4-((1 S,4S)-2-oxa-5-aza-bicyclo[2.2.1 ]hept-5-yi)-1-oxo-2-buten-1-yl]amino}-7-[(R)-(tetrahydrofuran-3-yl)oxy]-quinazoline F
CI NH
H
N
NII \ \ \IN
O `JO
Mass spectrum (ESI+): m/z = 540, 542 [M+H]+
The following compounds may also be prepared analogously to the foregoing Examples and other methods known from the literature:
Example No. Structure (~) F / `
CI \ NH
H
N \ NN
N O O
(2) F /
CI \ NH
N N\~~N
O
(3) F /
~'~/~
CI NH H
N \ \ N\II N
(4) F /
CI \ NH
H
N \ \ N\II N
H
0, CH3 Example No. Structure (5) F /
CI \ NH
H
N N~II
O
(6) F /
CI \ NH
H
N `~ N\II N
N O 0 (7) F /
CI \ NH H
N a N\II
kN O O
(8) F /
CI \ NH
H
~II N
N
kN ao 0 0 Example No. Structure (9) F /
CI NH H
INI N\ I I N
N O
(10) F /
CI ~ NH H
N N\II N
(11) F /
CI NH H
N N\N
,.i"a (12) F /
CI \ NH
N \ \ N\ II N
Example No. Structure (13) F /
CI \ NH
H
\ \ N
N ~II N
(14) F /
CI \ NH
H
N \ \ N\II N
0 0 I-CO) (15) F
C I \ NH
H
N \ N~N
e N \ / 0 IOI
O
(16) F /
CI \ NH
H
N \ \ N\II N
N / O O
11~0 Example No. Structure (17) F /
\I
Cl NH
H
N N\N
~N 0 0 O
(18) F /
CI \ NH
H
N N~II N
N O D
(19) F /
CI NH
H
N N
N
(20) F /
CI NH
H
INI N\ N
IOI O
N O
I-V
(21) F /
CI NH
H
N \ ~ Neil N
i 0 0 Example No. Structure (22) F / I~
CI/\/~
NH
H
k \ \ IN
/ OI O
N
O
(23) F /
CI NH
H
N \ \ N
kN / O 0 O
O
(24) F /
ZI-I
CI NH
H
INI \ NO N
(25) F
CI NH
H
N \ \ NN
IIII ~N H
00, (26) F / II
CI)\/~
NH
H
N
II \ N N
i / IOI
CO) Example No. Structure (27) F
CI NH
H
N NN
O IOI H
N
(28) F / I~
/\/~
CI NH
H
INI NN
ONE
CO) (29) F /
CI NH
H
N NN
TI NH
(30) F I~
CI/\/~
NH
H
IN~~\ N, CN, (31) F /
H
CI NH ~~~~
N NII N
V/
Example No. Structure (32) F /
CI \ NH
H
N N\~~\N
O O
(33) F /
CI NH
H
IN N y- N
/
N
(34) F /
CI NH
H
INI N \ N
OO
N
O
(35) F /
CI NH
N N
O
O
Example No. Structure (36) F aNH
CI H
N N"7"
O
(37) aNH
HC H
N N~~\N
N O
co) (38) F /
F \ NH
H
N \ N\II N
kN / O 0 (39) /
Br \ NH
H
N \ N\II
kN / O O O
O
Example 3 Coated tablets containing 75 mg of active substance 1 tablet core contains:
active substance 75.0 mg calcium phosphate 93.0 mg corn starch 35.5 mg polyvinylpyrrolidone 10.0 mg hydroxypropylmethylcellulose 15.0 mg magnesium stearate 1.5 mg 230.0 mg Preparation:
The active substance is mixed with calcium phosphate, corn starch, poly-vinylpyrrolidone, hydroxypropylmethylcellulose and half the specified amount of magnesium stearate. Blanks 13 mm in diameter are produced in a tablet-making machine and these are then rubbed through a screen with a mesh size of 1.5 mm using a suitable machine and mixed with the rest of the magnesium stearate. This granulate is compressed in a tablet-making machine to form tablets of the desired shape.
Weight of core: 230 mg die: 9 mm, convex The tablet cores thus produced are coated with a film consisting essentially of hydroxypropylmethylcellulose. The finished film-coated tablets are polished with beeswax.
Weight of coated tablet: 245 mg.
Example 4 Tablets containing 100 mg of active substance Composition:
1 tablet contains:
active substance 100.0 mg lactose 80.0 mg corn starch 34.0 mg polyvinylpyrrolidone 4.0 mg magnesium stearate 2.0 mg 220.0 mg Method of Preparation:
The active substance, lactose and starch are mixed together and uniformly moistened with an aqueous solution of the polyvinylpyrrolidone. After the moist composition has been screened (2.0 mm mesh size) and dried in a rack-type drier at 50 C it is screened again (1.5 mm mesh size) and the lubricant is added. The finished mixture is compressed to form tablets.
Weight of tablet: 220 mg Diameter: 10 mm, biplanar, facetted on both sides and notched on one side.
Example 5 Tablets containing 150 mg of active substance Composition:
1 tablet contains:
active substance 50.0 mg powdered lactose 89.0 mg corn starch 40.0 mg colloidal silica 10.0 mg polyvinylpyrrolidone 10.0 mg magnesium stearate 1.0 mg 300.0 mg Preparation:
The active substance mixed with lactose, corn starch and silica is moistened with a 20% aqueous polyvinylpyrrolidone solution and passed through a screen with a mesh size of 1.5 mm. The granules, dried at 45 C, are passed through the same screen again and mixed with the specified amount of magnesium stearate. Tablets are pressed from the mixture.
Weight of tablet: 300 mg die: 10 mm, flat Example 6 Hard gelatine capsules containing 150 mg of active substance 1 capsule contains:
active substance 50.0 mg corn starch (dried) approx. 80.0 mg lactose (powdered) approx. 87.0 mg magnesium stearate 3.0 mg approx. 420.0 mg Preparation:
The active substance is mixed with the excipients, passed through a screen with a mesh size of 0.75 mm and homogeneously mixed using a suitable apparatus. The finished mixture is packed into size 1 hard gelatine capsules.
Capsule filling: approx. 320 mg Capsule shell: size 1 hard gelatine capsule.
Example 7 Suppositories containing 150 mg of active substance 1 suppository contains:
active substance 150.0 mg polyethyleneglycol 1500 550.0 mg polyethyleneglycol 6000 460.0 mg polyoxyethylene sorbitan monostearate 840.0 mg 2000.0 mg Preparation:
After the suppository mass has been melted the active substance is homogeneously distributed therein and the melt is poured into chilled moulds.
Example 8 Suspension containing 50 mg of active substance 100 ml of suspension contain:
active substance 1.00 g carboxymethylcellulose-Na-salt 0.10 g methyl p-hydroxybenzoate 0.05 g propyl p-hydroxybenzoate 0.01 g glucose 10.00 g glycerol 5.00 g 70% sorbitol solution 20.00 g flavouring 0.30 g dist. water 100 ml Preparation:
The distilled water is heated to 70 C. The methyl and propyl p-hydroxybenzoates together with the glycerol and sodium salt of carboxymethylcelIulose are dissolved therein with stirring. The solution is cooled to ambient temperature and the active substance is added and homogeneously dispersed therein with stirring. After the sugar, the sorbitol solution and the flavouring have been added and dissolved, the suspension is evacuated with stirring to eliminate air.
5 ml of suspension contain 50 mg of active substance.
Example 9 Ampoules containing 10 mg active substance Composition:
active substance 10.0 mg 0.01 N hydrochloric acid q.s.
double-distilled water 2.0 ml Preparation:
The active substance is dissolved in the necessary amount of 0.01 N HCl, made isotonic with common salt, filtered sterile and transferred into 2 ml ampoules.
Example 10 Ampoules containing 50 mg of active substance Composition:
active substance 50.0 mg 0.01 N hydrochloric acid q.s.
double-distilled water 10.0 ml Preparation:
The active substance is dissolved in the necessary amount of 0.01 N HCI, made isotonic with common salt, filtered sterile and transferred into 10 ml ampoules.
Example 11 Capsules for powder inhalation containing 5 mg of active substance 1 capsule contains:
active.substance 5.0 mg lactose for inhalation 15.0 mg 20.0 mg Preparation:
The active substance is mixed with lactose for inhalation. The mixture is packed into capsules in a capsule-making machine (weight of the empty capsule approx. 50 mg).
weight of capsule: 70.0 mg size of capsule = 3 Example 12 Inhalable solution for hand-held nebulisers containing 2.5 mg active substance 1 spray contains:
active substance 2.500 mg benzalkonium chloride 0.001 mg 1 N hydrochloric acid q.s.
ethanol/water (50/50) 15.000 mg Preparation:
The active substance and benzalkonium chloride are dissolved in ethanol/water (50/50). The pH of the solution is adjusted with 1 N
hydrochloric acid. The resulting solution is filtered and transferred into suitable containers for use in hand-held nebulisers (cartridges).
Contents of the container: 4.5 g
Claims (32)
1. A compound, which is a bicyclic heterocycle of general formula a tautomer thereof, a stereoisomer thereof, a mixture of stereoisomers thereof or a salt thereof, wherein R a denotes a hydrogen atom or a C1-4-alkyl group, R b denotes a phenyl, benzyl or 1-phenylethyl group, wherein the phenyl nucleus is substituted in each case by the groups R1 to R3, wherein R1 and R2 independently denote hydrogen, fluorine, chlorine, bromine, iodine, C1-4-alkyl, hydroxy, C1-4-alkoxy, C2-3-alkenyl, C2-3-alkynyl, aryl, aryloxy, arylmethyl, arylmethoxy, heteroaryl, heteroaryloxy, heteroarylmethyl, heteroarylmethoxy, methyl or methoxy substituted by 1 to 3 fluorine atoms, cyano, nitro or amino; and R3 denotes hydrogen, fluorine, chlorine, bromine, methyl or trifluoromethyl;
R c denotes hydrogen, fluorine, chlorine, bromine, hydroxy, C1-4-alkyloxy, methoxy substituted by 1 to 3 fluorine atoms, ethyloxy substituted by 1 to 5 fluorine atoms, C2-4-alkyloxy substituted by R4, wherein R4 denotes hydroxy, C1-3-alkyloxy, C3-6-cycloalkyloxy, C3-6-cycloalkyl-C1-3-alkyloxy, amino, C1-3-alkylamino, di-(C1-3-alkyl)amino, bis-(2-C1-3-alkyloxy-ethyl)-amino, bis-(3-C1-3-alkyloxy-propyl)-amino, pyrrolidin-1-yl, piperidin-1-yl, homopiperidin-1-yl, morpholin-4-yl, homomorpholin-4-yl, piperazin-1-yl, 4-(C1-3-alkyl)-piperazin-1-yl, homopiperazin-1-yl or 4-(C1-3-alkyl)-homopiperazin-1-yl, C2-4-alkyloxy substituted by E, C3-7-cycloalkyloxy, C3-7-cycloalkyl-C1-4-alkyloxy, tetrahydrofuran-3-yloxy, tetrahydropyran-3-yloxy, tetrahydropyran-4-yloxy, tetrahydrofuranyl-C1-4-alkyloxy, tetrahydropyranyl-C1-4-alkyloxy, pyrrolidin-3-yloxy, piperidin-3-yloxy, piperidin-4-yloxy, 1-(C1-3-alkyl)-pyrrolidin-3-yloxy, 1-(C1-3-alkyl)-piperidin-3-yloxy, 1-(C1-3-alkyl)-piperidin-4-yloxy, C1-4-alkoxy substituted by pyrrolidinyl, piperidinyl or homopiperidinyl substituted in the 1 position by the group R5, wherein R5 denotes hydrogen or C1-3-alkyl, or C1-4-alkoxy substituted by morpholinyl or homomorpholinyl substituted in the 4 position by the group R5, wherein R5 is as hereinbefore defined;
A denotes imino or C1-4-alkylimino;
B denotes carbonyl or sulphonyl;
C' denotes 1,3-allenylene, 1,1-vinylene or 1,2-vinylene optionally substituted in each case by one or two methyl groups or by a trifluoromethyl group, ethynylene or 1,3-butadien-1,4-ylene optionally substituted by one or two methyl groups or by a trifluoromethyl group;
D denotes a straight-chain or branched C1-4-alkylene group;
E denotes a pyrrolidin-1-yl group wherein two hydrogen atoms on the carbon skeleton are replaced by a straight-chain alkylene bridge, wherein the bridge comprises 2 to 6 carbon atoms if the two hydrogen atoms are located on the same carbon atom, 1 to 5 carbon atoms if the two hydrogen atoms are located on adjacent carbon atoms, or 2 to 4 carbon atoms if the two hydrogen atoms are located on carbon atoms which are separated by one atom, wherein the pyrrolidin-1-yl group is optionally additionally substituted by one or two C1-3-alkyl groups, a piperidin-1-yl or homopiperidin-1-yl group, wherein in each case two hydrogen atoms on the carbon skeleton are replaced by a straight-chain alkylene bridge, wherein the bridge comprises 2 to 6 carbon atoms if the two hydrogen atoms are located on the same carbon atom, 1 to 5 carbon atoms if the two hydrogen atoms are located on adjacent carbon atoms, 1 to 4 carbon atoms if the two hydrogen atoms are located on carbon atoms which are separated by one atom, or 1 to 3 carbon atoms if the two hydrogen atoms are located on carbon atoms which are separated by two atoms, wherein the piperidin-1-yl and homopiperidin-1-yl groups are each optionally additionally substituted by one or two C1-3-alkyl groups, a piperazin-1-yl or homopiperazin-1-yl group, wherein in each case two hydrogen atoms on the carbon skeleton are replaced by a straight-chain alkylene bridge, wherein the bridge comprises 2 to 6 carbon atoms if the two hydrogen atoms are located on the same carbon atom, 1 to 5 carbon atoms if the two hydrogen atoms are located on adjacent carbon atoms, 1 to 4 carbon atoms if the two hydrogen atoms are located on carbon atoms which are separated by one atom, or 1 to 3 carbon atoms if the two hydrogen atoms are located on carbon atoms which are separated by two atoms, wherein the piperazin-1-yl and homopiperazin-1-yl groups are each optionally additionally substituted by one or two C1-3-alkyl groups, or a morpholin-4-yl or homomorpholin-4-yl group, wherein in each case two hydrogen atoms on the carbon skeleton are replaced by a straight-chain alkylene bridge, wherein the bridge comprises 2 to 6 carbon atoms if the two hydrogen atoms are located on the same carbon atom, 1 to 5 carbon atoms if the two hydrogen atoms are located on adjacent carbon atoms, 1 to 4 carbon atoms if the two hydrogen atoms are located on carbon atoms which are separated by one atom, or 1 to 3 carbon atoms if the two hydrogen atoms are located on carbon atoms which are separated by two atoms, wherein the morpholin-4-yl and homomorpholin-4-yl groups are each optionally additionally substituted by one or two C1-3-alkyl groups;
and X denotes methyne substituted by cyano or nitrogen;
wherein the aryl groups mentioned in the definitions of the above groups are in each case phenyl which is mono- or independently disubstituted by R6, wherein R6 denotes hydrogen, fluorine, chlorine, bromine, iodine C1-3-alkyl, hydroxy, C1-3-alkyloxy, difluoromethyl, trifluoromethyl, difluoromethoxy, trifluoromethoxy or cyano, and wherein the heteroaryl groups mentioned in the definitions of the above groups are independently pyridyl, pyridazinyl, pyrimidinyl or pyrazinyl, mono-or independently disubstituted by R6; and unless otherwise stated, the abovementioned alkyl groups are straight-chained or branched.
R c denotes hydrogen, fluorine, chlorine, bromine, hydroxy, C1-4-alkyloxy, methoxy substituted by 1 to 3 fluorine atoms, ethyloxy substituted by 1 to 5 fluorine atoms, C2-4-alkyloxy substituted by R4, wherein R4 denotes hydroxy, C1-3-alkyloxy, C3-6-cycloalkyloxy, C3-6-cycloalkyl-C1-3-alkyloxy, amino, C1-3-alkylamino, di-(C1-3-alkyl)amino, bis-(2-C1-3-alkyloxy-ethyl)-amino, bis-(3-C1-3-alkyloxy-propyl)-amino, pyrrolidin-1-yl, piperidin-1-yl, homopiperidin-1-yl, morpholin-4-yl, homomorpholin-4-yl, piperazin-1-yl, 4-(C1-3-alkyl)-piperazin-1-yl, homopiperazin-1-yl or 4-(C1-3-alkyl)-homopiperazin-1-yl, C2-4-alkyloxy substituted by E, C3-7-cycloalkyloxy, C3-7-cycloalkyl-C1-4-alkyloxy, tetrahydrofuran-3-yloxy, tetrahydropyran-3-yloxy, tetrahydropyran-4-yloxy, tetrahydrofuranyl-C1-4-alkyloxy, tetrahydropyranyl-C1-4-alkyloxy, pyrrolidin-3-yloxy, piperidin-3-yloxy, piperidin-4-yloxy, 1-(C1-3-alkyl)-pyrrolidin-3-yloxy, 1-(C1-3-alkyl)-piperidin-3-yloxy, 1-(C1-3-alkyl)-piperidin-4-yloxy, C1-4-alkoxy substituted by pyrrolidinyl, piperidinyl or homopiperidinyl substituted in the 1 position by the group R5, wherein R5 denotes hydrogen or C1-3-alkyl, or C1-4-alkoxy substituted by morpholinyl or homomorpholinyl substituted in the 4 position by the group R5, wherein R5 is as hereinbefore defined;
A denotes imino or C1-4-alkylimino;
B denotes carbonyl or sulphonyl;
C' denotes 1,3-allenylene, 1,1-vinylene or 1,2-vinylene optionally substituted in each case by one or two methyl groups or by a trifluoromethyl group, ethynylene or 1,3-butadien-1,4-ylene optionally substituted by one or two methyl groups or by a trifluoromethyl group;
D denotes a straight-chain or branched C1-4-alkylene group;
E denotes a pyrrolidin-1-yl group wherein two hydrogen atoms on the carbon skeleton are replaced by a straight-chain alkylene bridge, wherein the bridge comprises 2 to 6 carbon atoms if the two hydrogen atoms are located on the same carbon atom, 1 to 5 carbon atoms if the two hydrogen atoms are located on adjacent carbon atoms, or 2 to 4 carbon atoms if the two hydrogen atoms are located on carbon atoms which are separated by one atom, wherein the pyrrolidin-1-yl group is optionally additionally substituted by one or two C1-3-alkyl groups, a piperidin-1-yl or homopiperidin-1-yl group, wherein in each case two hydrogen atoms on the carbon skeleton are replaced by a straight-chain alkylene bridge, wherein the bridge comprises 2 to 6 carbon atoms if the two hydrogen atoms are located on the same carbon atom, 1 to 5 carbon atoms if the two hydrogen atoms are located on adjacent carbon atoms, 1 to 4 carbon atoms if the two hydrogen atoms are located on carbon atoms which are separated by one atom, or 1 to 3 carbon atoms if the two hydrogen atoms are located on carbon atoms which are separated by two atoms, wherein the piperidin-1-yl and homopiperidin-1-yl groups are each optionally additionally substituted by one or two C1-3-alkyl groups, a piperazin-1-yl or homopiperazin-1-yl group, wherein in each case two hydrogen atoms on the carbon skeleton are replaced by a straight-chain alkylene bridge, wherein the bridge comprises 2 to 6 carbon atoms if the two hydrogen atoms are located on the same carbon atom, 1 to 5 carbon atoms if the two hydrogen atoms are located on adjacent carbon atoms, 1 to 4 carbon atoms if the two hydrogen atoms are located on carbon atoms which are separated by one atom, or 1 to 3 carbon atoms if the two hydrogen atoms are located on carbon atoms which are separated by two atoms, wherein the piperazin-1-yl and homopiperazin-1-yl groups are each optionally additionally substituted by one or two C1-3-alkyl groups, or a morpholin-4-yl or homomorpholin-4-yl group, wherein in each case two hydrogen atoms on the carbon skeleton are replaced by a straight-chain alkylene bridge, wherein the bridge comprises 2 to 6 carbon atoms if the two hydrogen atoms are located on the same carbon atom, 1 to 5 carbon atoms if the two hydrogen atoms are located on adjacent carbon atoms, 1 to 4 carbon atoms if the two hydrogen atoms are located on carbon atoms which are separated by one atom, or 1 to 3 carbon atoms if the two hydrogen atoms are located on carbon atoms which are separated by two atoms, wherein the morpholin-4-yl and homomorpholin-4-yl groups are each optionally additionally substituted by one or two C1-3-alkyl groups;
and X denotes methyne substituted by cyano or nitrogen;
wherein the aryl groups mentioned in the definitions of the above groups are in each case phenyl which is mono- or independently disubstituted by R6, wherein R6 denotes hydrogen, fluorine, chlorine, bromine, iodine C1-3-alkyl, hydroxy, C1-3-alkyloxy, difluoromethyl, trifluoromethyl, difluoromethoxy, trifluoromethoxy or cyano, and wherein the heteroaryl groups mentioned in the definitions of the above groups are independently pyridyl, pyridazinyl, pyrimidinyl or pyrazinyl, mono-or independently disubstituted by R6; and unless otherwise stated, the abovementioned alkyl groups are straight-chained or branched.
2. A compound according to claim 1, wherein R a denotes hydrogen;
R b denotes phenyl substituted by the groups R1 to R3, wherein R1 denotes hydrogen, fluorine, chlorine, bromine, methyl, trifluoromethyl, ethynyl, phenyloxy or phenylmethoxy, wherein the phenyl moiety thereof is optionally substituted by fluorine or chlorine, pyridinyloxy or pyridinylmethoxy, wherein the pyridinyl moiety thereof is optionally substituted by methyl or trifluoromethyl;
R2 denotes hydrogen, fluorine or chlorine and R3 denotes hydrogen;
R c denotes hydrogen, C1-3-alkyloxy, C4-6-cycloalkyloxy, C3-6-cycloalkyl-C1-2-alkyloxy-group, tetrahydrofuran-3-yloxy, tetrahydropyran-3-yloxy, tetrahydropyran-4-yloxy, tetrahydrofuranyl-C1-2-alkyloxy, tetrahydropyranyl-C1-2-alkyloxy, ethyloxy substituted in the 2 position by R4, wherein R4 denotes hydroxy, C1-3-alkyloxy, amino, C1-3-alkylamino, di-(C1-3-alkyl)amino, bis-(2-methoxyethyl)-amino, pyrrolidin-1-yl, piperidin-1-yl, homopiperidin-1-yl, morpholin-4-yl, homomorpholin-4-yl, piperazin-1-yl, 4-(C1-3-alkyl)-piperazin-1-yl, homopiperazin-1-yl, or 4-(C1-3-alkyl)-homopiperazin-1-yl, propyloxy substituted in the 3 position by R4, or butyloxy substituted in the 4 position by R4;
A denotes imino;
B denotes carbonyl or sulphonyl;
C' denotes 1,1-vinylene, 1,2-vinylene or ethynylene;
D denotes methylene, 1,1-ethylene or 1,2-ethylene;
E denotes a piperidin-1-yl group wherein two hydrogen atoms on the carbon skeleton are replaced by a straight-chain alkylene bridge, wherein the bridge comprises 2 to 5 carbon atoms if the two hydrogen atoms are located on the same carbon atom, 1 to 4 carbon atoms if the two hydrogen atoms are located on adjacent carbon atoms, 1 to 3 carbon atoms if the two hydrogen atoms are located on carbon atoms which are separated by one atom, or 1 or 2 carbon atoms if the two hydrogen atoms are located on carbon atoms which are separated by two atoms, wherein the piperidin-1-yl group is optionally additionally substituted by one or two C1-3-alkyl groups, a piperazin-1-yl group wherein two hydrogen atoms on the carbon skeleton are replaced by a straight-chain alkylene bridge, wherein the bridge comprises 2 to 5 carbon atoms if the two hydrogen atoms are located on the same carbon atom, 1 to 4 carbon atoms if the two hydrogen atoms are located on adjacent carbon atoms, 1 to 3 carbon atoms if the two hydrogen atoms are located on carbon atoms which are separated by one atom, or 1 or 2 carbon atoms if the two hydrogen atoms are located on carbon atoms which are separated by two atoms, wherein the piperazin-1-yl group is optionally additionally substituted by one or two C1-3-alkyl groups, or a morpholin-4-yl group wherein two hydrogen atoms on the carbon skeleton are replaced by a straight-chain alkylene bridge, wherein the bridge comprises 2 to 5 carbon atoms if the two hydrogen atoms are located on the same carbon atom, 1 to 4 carbon atoms if the two hydrogen atoms are located on adjacent carbon atoms, 1 to 3 carbon atoms if the two hydrogen atoms are located on carbon atoms which are separated by one atom, or 1 or 2 carbon atoms if the two hydrogen atoms are located on carbon atoms which are separated by two atoms, wherein the morpholin-4-yl group is optionally additionally substituted by one or two C1-3-alkyl groups, and X represents nitrogen;
wherein, unless otherwise stated, the abovementioned alkyl groups are straight-chain or branched.
R b denotes phenyl substituted by the groups R1 to R3, wherein R1 denotes hydrogen, fluorine, chlorine, bromine, methyl, trifluoromethyl, ethynyl, phenyloxy or phenylmethoxy, wherein the phenyl moiety thereof is optionally substituted by fluorine or chlorine, pyridinyloxy or pyridinylmethoxy, wherein the pyridinyl moiety thereof is optionally substituted by methyl or trifluoromethyl;
R2 denotes hydrogen, fluorine or chlorine and R3 denotes hydrogen;
R c denotes hydrogen, C1-3-alkyloxy, C4-6-cycloalkyloxy, C3-6-cycloalkyl-C1-2-alkyloxy-group, tetrahydrofuran-3-yloxy, tetrahydropyran-3-yloxy, tetrahydropyran-4-yloxy, tetrahydrofuranyl-C1-2-alkyloxy, tetrahydropyranyl-C1-2-alkyloxy, ethyloxy substituted in the 2 position by R4, wherein R4 denotes hydroxy, C1-3-alkyloxy, amino, C1-3-alkylamino, di-(C1-3-alkyl)amino, bis-(2-methoxyethyl)-amino, pyrrolidin-1-yl, piperidin-1-yl, homopiperidin-1-yl, morpholin-4-yl, homomorpholin-4-yl, piperazin-1-yl, 4-(C1-3-alkyl)-piperazin-1-yl, homopiperazin-1-yl, or 4-(C1-3-alkyl)-homopiperazin-1-yl, propyloxy substituted in the 3 position by R4, or butyloxy substituted in the 4 position by R4;
A denotes imino;
B denotes carbonyl or sulphonyl;
C' denotes 1,1-vinylene, 1,2-vinylene or ethynylene;
D denotes methylene, 1,1-ethylene or 1,2-ethylene;
E denotes a piperidin-1-yl group wherein two hydrogen atoms on the carbon skeleton are replaced by a straight-chain alkylene bridge, wherein the bridge comprises 2 to 5 carbon atoms if the two hydrogen atoms are located on the same carbon atom, 1 to 4 carbon atoms if the two hydrogen atoms are located on adjacent carbon atoms, 1 to 3 carbon atoms if the two hydrogen atoms are located on carbon atoms which are separated by one atom, or 1 or 2 carbon atoms if the two hydrogen atoms are located on carbon atoms which are separated by two atoms, wherein the piperidin-1-yl group is optionally additionally substituted by one or two C1-3-alkyl groups, a piperazin-1-yl group wherein two hydrogen atoms on the carbon skeleton are replaced by a straight-chain alkylene bridge, wherein the bridge comprises 2 to 5 carbon atoms if the two hydrogen atoms are located on the same carbon atom, 1 to 4 carbon atoms if the two hydrogen atoms are located on adjacent carbon atoms, 1 to 3 carbon atoms if the two hydrogen atoms are located on carbon atoms which are separated by one atom, or 1 or 2 carbon atoms if the two hydrogen atoms are located on carbon atoms which are separated by two atoms, wherein the piperazin-1-yl group is optionally additionally substituted by one or two C1-3-alkyl groups, or a morpholin-4-yl group wherein two hydrogen atoms on the carbon skeleton are replaced by a straight-chain alkylene bridge, wherein the bridge comprises 2 to 5 carbon atoms if the two hydrogen atoms are located on the same carbon atom, 1 to 4 carbon atoms if the two hydrogen atoms are located on adjacent carbon atoms, 1 to 3 carbon atoms if the two hydrogen atoms are located on carbon atoms which are separated by one atom, or 1 or 2 carbon atoms if the two hydrogen atoms are located on carbon atoms which are separated by two atoms, wherein the morpholin-4-yl group is optionally additionally substituted by one or two C1-3-alkyl groups, and X represents nitrogen;
wherein, unless otherwise stated, the abovementioned alkyl groups are straight-chain or branched.
3. A compound according to claim 1, wherein R a denotes hydrogen;
R b denotes 3-ethynylphenyl, 3-bromophenyl, 3,4-difluorophenyl or 3-chloro-4-fluoro-phenyl;
R c denotes hydrogen; methoxy, ethyloxy, 2-(methoxy)ethyloxy, 3-(morpholin-4-yl)propyloxy, cyclobutyloxy, cyclopentyloxy, cyclohexyloxy, cyclopropylmethoxy, cyclopentylmethoxy, tetrahydrofuran-3-yloxy, tetrahydropyran-3-yloxy, tetrahydropyran-4-yloxy, tetrahydrofuran-2-ylmethoxy, tetrahydrofuran-3-ylmethoxy or tetrahydropyran-4-ylmethoxy;
A denotes imino;
B denotes carbonyl;
C' denotes 1,2-vinylene;
D denotes methylene;
E denotes 2-aza-bicyclo[2.2.1]hept-2-yl, 2,5-diaza-bicyclo[2.2.1]hept-2-yl, 5-methyl-2,5-diaza-bicyclo[2.2.1]hept-2-yl, 2-oxa-5-aza-bicyclo[2.2.1]hept-5-yl, aza-bicyclo[2.2.2]oct-2-yl, 3-aza-bicyclo[3.2.1]oct-3-yl, 8-aza-bicyclo[3.2.1]oct-8-yl, 3,8-diaza-bicyclo[3.2.1]oct-3-yl, 8-methyl-3,8-diaza-bicyclo[3.2.1]oct-3-yl, 3,8-diaza-bicyclo[3.2.1]oct-8-yl, 3-methyl-3,8-diaza-bicyclo[3.2.1]oct-8-yl, 3-oxa-aza-bicyclo[3.2.1]oct-8-yl or 8-oxa-3-aza-bicyclo[3.2.1]oct-3-yl;
and X denotes nitrogen.
R b denotes 3-ethynylphenyl, 3-bromophenyl, 3,4-difluorophenyl or 3-chloro-4-fluoro-phenyl;
R c denotes hydrogen; methoxy, ethyloxy, 2-(methoxy)ethyloxy, 3-(morpholin-4-yl)propyloxy, cyclobutyloxy, cyclopentyloxy, cyclohexyloxy, cyclopropylmethoxy, cyclopentylmethoxy, tetrahydrofuran-3-yloxy, tetrahydropyran-3-yloxy, tetrahydropyran-4-yloxy, tetrahydrofuran-2-ylmethoxy, tetrahydrofuran-3-ylmethoxy or tetrahydropyran-4-ylmethoxy;
A denotes imino;
B denotes carbonyl;
C' denotes 1,2-vinylene;
D denotes methylene;
E denotes 2-aza-bicyclo[2.2.1]hept-2-yl, 2,5-diaza-bicyclo[2.2.1]hept-2-yl, 5-methyl-2,5-diaza-bicyclo[2.2.1]hept-2-yl, 2-oxa-5-aza-bicyclo[2.2.1]hept-5-yl, aza-bicyclo[2.2.2]oct-2-yl, 3-aza-bicyclo[3.2.1]oct-3-yl, 8-aza-bicyclo[3.2.1]oct-8-yl, 3,8-diaza-bicyclo[3.2.1]oct-3-yl, 8-methyl-3,8-diaza-bicyclo[3.2.1]oct-3-yl, 3,8-diaza-bicyclo[3.2.1]oct-8-yl, 3-methyl-3,8-diaza-bicyclo[3.2.1]oct-8-yl, 3-oxa-aza-bicyclo[3.2.1]oct-8-yl or 8-oxa-3-aza-bicyclo[3.2.1]oct-3-yl;
and X denotes nitrogen.
4. A compound according to claim 1, wherein R a denotes hydrogen;
R b denotes 3-chloro-4-fluoro-phenyl;
R c denotes tetrahydrofuran-3-yloxy, cyclopentyloxy or cyclopropylmethoxy;
A denotes imino;
B denotes carbonyl;
C' denotes 1,2-vinylene;
D denotes methylene;
E denotes 2-oxa-5-aza-bicyclo[2.2.1]hept-5-yl group, a 3-oxa-8-aza-bicyclo[3.2. 1 ]oct-8-yl group or an 8-oxa-3-aza-bicyclo[3.2. 1 ]oct-3-yl;
and X denotes nitrogen.
R b denotes 3-chloro-4-fluoro-phenyl;
R c denotes tetrahydrofuran-3-yloxy, cyclopentyloxy or cyclopropylmethoxy;
A denotes imino;
B denotes carbonyl;
C' denotes 1,2-vinylene;
D denotes methylene;
E denotes 2-oxa-5-aza-bicyclo[2.2.1]hept-5-yl group, a 3-oxa-8-aza-bicyclo[3.2. 1 ]oct-8-yl group or an 8-oxa-3-aza-bicyclo[3.2. 1 ]oct-3-yl;
and X denotes nitrogen.
5. A compound, which is 4-[(3-chloro-4-fluoro-phenyl)amino]-6-{[4-((1S,4S)-2-oxa-5-aza-bicyclo[2.2.1 ]hept-5-yl)-1-oxo-2-buten-1-yl]amino}-7-cyclopropylmethoxy-quinazoline, or a salt thereof.
6. A compound, which is 4-[(3-chloro-4-fluoro-phenyl)amino]-6-{[4-((1S,4S)-2-oxa-5-aza-bicyclo[2.2.1 ]hept-5-yl)-1-oxo-2-buten-1-yl]amino}-7-cyclopentyloxy-quinazoline, or a salt thereof.
7. A compound, which is 4-[(3-chloro-4-fluoro-phenyl)amino]-6-{[4-((1S,4S)-2-oxa-5-aza-bicyclo[2.2.1 ]hept-5-yl)-1-oxo-2-buten-1-yl]amino}-7-[(S)-(tetrahydrofuran-3-yl)oxy]-quinazoline, or a salt thereof.
8. A compound, which is 4-[(3-chloro-4-fluoro-phenyl)amino]-6-{[4-(3-oxa-8-aza-bicyclo[3.2.1 ]oct-8-yl)-1-oxo-2-buten-1-yl]amino}-7-[(S)-(tetrahydrofuran-3-yl)oxy]-quinazoline, or a salt thereof.
9. A compound, which is 4-[(3-chloro-4-fluoro-phenyl)amino]-6-{[4-((1R,4R)-2-oxa-5-aza-bicyclo[2.2.1]hept-5-yl)-1-oxo-2-buten-1-yl]amino}-7-[(S)-(tetrahydrofuran-3-yl)oxy]-quinazoline, or a salt thereof.
10. A compound, which is 4-[(3-chloro-4-fluoro-phenyl)amino]-6-{[4-(8-oxa-3-aza-bicyclo[3.2.1 ]oct-3-yl)-1-oxo-2-buten-1-yl]amino}-7-[(S)-(tetrahydrofuran-3-yl)oxy]-quinazoline, or a salt thereof.
11. A compound, which is 4-[(3-chloro-4-fluoro-phenyl)amino]-6-{[4-((1R,4R)-2-oxa-5-aza-bicyclo[2.2.1]hept-5-yl)-1-oxo-2-buten-1-yl]amino}-7-[(R)-(tetrahydrofuran-3-yl)oxy]-quinazoline, or a salt thereof.
12. A compound, which is 4-[(3-chloro-4-fluoro-phenyl)amino]-6-{[4-((1S,4S)-2-oxa-5-aza-bicyclo[2.2.1 ]hept-5-yl)-1-oxo-2-buten-1-yl]amino}-7-[(R)-(tetrahydrofuran-3-yl)oxy]-quinazoline, or a salt thereof.
13. A compound according to any one of claims 1 to 12 in the form of a physiologically acceptable salt with an inorganic or organic acid or base.
14. A pharmaceutical composition comprising a compound as defined in any one of claims 1 to 13 and a pharmaceutically acceptable carrier or diluent.
15. A use of a compound as defined in any one of claims 1 to 13 in preparation of a pharmaceutical composition for treating a benign or malignant tumor.
16. A use of a compound as defined in any one of claims 1 to 13 in preparation of a pharmaceutical composition for preventing or treating a disease of the airways or lungs.
17. A use of a compound as defined in any one of claims 1 to 13 in preparation of a pharmaceutical composition for treating a disease of the gastrointestinal tract, the bile duct or the gall bladder.
18. A use of a compound as defined in any one of claims 1 to 13 for treating a benign or malignant tumor.
19. A use of a compound as defined in any one of claims 1 to 13 for preventing or treating a disease of the airways or lungs.
20. A use of a compound as defined in any one of claims 1 to 13 for treating a disease of the gastrointestinal tract, the bile duct or the gall bladder.
21. A compound as defined in any one of claims 1 to 13 for treating a benign or malignant tumor.
22. A compound as defined in any one of claims 1 to 13 for preventing or treating a disease of the airways or lungs.
23. A compound as defined in any one of claims 1 to 13 for treating a disease of the gastrointestinal tract, the bile duct or the gall bladder.
24. A pharmaceutical composition according to claim 14 for treating a benign or malignant tumor.
25. A pharmaceutical composition according to claim 14 for preventing or treating a disease of the airways or lungs.
26. A pharmaceutical composition according to claim 14 for treating a disease of the gastrointestinal tract, the bile duct and gall bladder.
27. A process for preparing a pharmaceutical composition as defined in claim 14, wherein a compound as defined in any one of claims 1 to 13 is admixed with a pharmaceutically acceptable carrier or diluent.
28. A process for preparing a compound of general formula I as defined in claim 1, wherein a) a compound of general formula wherein R a, R b, R c, A, B and X are defined as in claim 1 and R7 and R8, independently denote C1-4-alkyl, is reacted with a compound of general formula OHC'- D - E, (III) wherein C', D and E are as defined in claim 1; or b) a compound of general formula wherein R a, R b, R c, A, B, C', D and X are defined as in claim 1 and Z' denotes a leaving group is reacted with a compound of general formula H - E, (V) wherein E is as defined in claim 1, and if necessary any protecting group used in the reactions defined above is cleaved again and/or if desired a compound of general formula I thus obtained is resolved into the stereoisomers thereof and/or a compound of general formula I thus obtained is converted into a salt thereof.
29. A process according to claim 28, wherein the leaving group is halogen or substituted sulphonyloxy.
30. A process according to claim 29, wherein the halogen is chlorine or bromine.
31. A process according to claim 29, wherein the substituted sulphonyloxy is methane sulphonyloxy or p-toluenesulphonyloxy.
32. A process according to any one of claims 28 to 31, wherein the salt is a pharmaceutically acceptable salt.
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HU228446B1 (en) * | 1996-04-12 | 2013-03-28 | Warner Lambert Co | Kinazoline derivatives as irreversible inhibitors of protein-kinase, pharmaceutical compositions containing these compounds and use thereof |
TW436485B (en) * | 1997-08-01 | 2001-05-28 | American Cyanamid Co | Substituted quinazoline derivatives |
BR9914164A (en) * | 1998-09-29 | 2001-06-26 | American Cyanamid Co | Compound, method for treating, inhibiting the growth of, or eradicating a neoplasm, and polycystic kidney disease, in a mammal in need thereof, pharmaceutical composition, and, process for preparing a compound |
IL144143A0 (en) * | 1999-02-27 | 2002-05-23 | Boehringer Ingelheim Pharma | 4-amino-quinazoline and quinoline derivatives having an inhibitory effect on signal transduction mediated by tyrosine kinases |
DE19908567A1 (en) * | 1999-02-27 | 2000-08-31 | Boehringer Ingelheim Pharma | New 4-amino-quinazoline or quinoline derivatives, are tyrosine kinase-mediated signal transduction inhibitors useful e.g. for treating tumors, polyps or respiratory or gastrointestinal diseases |
AU775285B2 (en) * | 1999-06-21 | 2004-07-29 | Boehringer Ingelheim Pharma Gmbh & Co. Kg | Bicyclic heterocycles, medicaments containing these compounds, their use and methods for the production thereof |
MXPA02009855A (en) * | 2000-04-08 | 2003-03-27 | Boehringer Ingelheim Pharma | Bicyclic heterocylces, medicaments containing said compounds, the use thereof and method for producing them. |
DE10017539A1 (en) * | 2000-04-08 | 2001-10-11 | Boehringer Ingelheim Pharma | New 6-acylamino-4-amino-quinazoline or quinoline derivatives, are tyrosine kinase-mediated signal transduction inhibitors useful e.g. for treating tumors or respiratory or gastrointestinal diseases |
DE10042061A1 (en) * | 2000-08-26 | 2002-03-07 | Boehringer Ingelheim Pharma | Bicyclic heterocycles, medicaments containing these compounds, their use and processes for their preparation |
DE10042062A1 (en) * | 2000-08-26 | 2002-03-07 | Boehringer Ingelheim Pharma | Bicyclic heterocycles, medicaments containing these compounds, their use and methods of preparation |
-
2002
- 2002-04-19 DE DE10217689A patent/DE10217689A1/en not_active Withdrawn
-
2003
- 2003-04-14 AU AU2003226806A patent/AU2003226806A1/en not_active Abandoned
- 2003-04-14 WO PCT/EP2003/003828 patent/WO2003089439A1/en active Application Filing
- 2003-04-14 CA CA2484395A patent/CA2484395C/en not_active Expired - Fee Related
- 2003-04-14 EP EP03746824A patent/EP1499619A1/en not_active Withdrawn
- 2003-04-14 JP JP2003586159A patent/JP4527406B2/en not_active Expired - Fee Related
- 2003-04-15 PE PE2003000384A patent/PE20040171A1/en not_active Application Discontinuation
- 2003-04-16 UY UY27767A patent/UY27767A1/en not_active Application Discontinuation
- 2003-04-16 AR ARP030101330A patent/AR039571A1/en not_active Withdrawn
- 2003-04-16 TW TW092108807A patent/TW200408643A/en unknown
Also Published As
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JP2005526837A (en) | 2005-09-08 |
AU2003226806A1 (en) | 2003-11-03 |
PE20040171A1 (en) | 2004-06-02 |
DE10217689A1 (en) | 2003-11-13 |
TW200408643A (en) | 2004-06-01 |
EP1499619A1 (en) | 2005-01-26 |
UY27767A1 (en) | 2003-11-28 |
CA2484395A1 (en) | 2003-10-30 |
WO2003089439A1 (en) | 2003-10-30 |
JP4527406B2 (en) | 2010-08-18 |
AR039571A1 (en) | 2005-02-23 |
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