CN104478777B - A kind of containing nitro diamantane (obsolete) with the derivant of amide structure, Preparation Method And The Use - Google Patents

A kind of containing nitro diamantane (obsolete) with the derivant of amide structure, Preparation Method And The Use Download PDF

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Publication number
CN104478777B
CN104478777B CN201510016730.5A CN201510016730A CN104478777B CN 104478777 B CN104478777 B CN 104478777B CN 201510016730 A CN201510016730 A CN 201510016730A CN 104478777 B CN104478777 B CN 104478777B
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compound
preparation
present
acid
condensing agent
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CN104478777A (en
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蔡子洋
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Xuzhou Henghua Packaging Technology Co ltd
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Foshan Saiweisi Pharmaceutical Technology Co Ltd
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    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D207/00Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom
    • C07D207/02Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom with only hydrogen or carbon atoms directly attached to the ring nitrogen atom
    • C07D207/04Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having no double bonds between ring members or between ring members and non-ring members
    • C07D207/10Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having no double bonds between ring members or between ring members and non-ring members with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
    • C07D207/16Carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals

Abstract

The present invention relates to the drug world relevant to diabetes.Specifically, the present invention relates to that there is a kind of containing the isostructural inhibitors of dipeptidyl IV of nitro diamantane (obsolete) and amide, its preparation method and the purposes in preparing diabetes medicament of Formulas I.

Description

A kind of containing nitro diamantane (obsolete) with the derivant of amide structure, Preparation Method And The Use
Technical field
The present invention relates to the drug world relevant to diabetes.Specifically, the present invention relates to diabetes Medicative one contains nitro diamantane (obsolete) and the isostructural dipeptidyl peptidase-iv inhibitor of amide and preparation thereof Method, containing they pharmaceutical composition and treatment diabetes in terms of medicine.
Background technology
According to statistics, global diabetics about about 2.5 hundred million in 2007, wherein the biggest number is II type (i.e. non-insulin-depending type) diabetics.Antidiabetic medicine at Clinical practice mainly has sulfonylureas at present Class, metformin class and trypsin class medicine, list in recent years also have medicament of insulin sensitizer and α- Alpha-glucosidase inhibitors etc..These medicines have good therapeutic effect, but generally there is the serious pairs such as hypoglycemia Effect, and there is safety issue in long-term treatment, such as problems such as liver toxicity and body weight increases.
DPP IV (dipeptidyl peptidase IV, DPP-IV) can effectively and pancreas of degrading rapidly Glucagon-like peptide 1 (GLP-1), GLP-1 is insulin production and secretes one of maximally effective stimulant, therefore Suppression DPP-IV can strengthen the effect of endogenous GLP-1, thus improves the level (CN of insulin in blood 200480017355.6).Medical science it turned out DPP-IV inhibitor at present is a kind of novel antidiabetic treatment Medicine, has had multiple medicine list marketing.Clinical effectiveness shows that such medicine has good blood sugar lowering effect Really, do not find the untoward reaction thing such as the increase of common body weight and hypoglycemia produced by other diabetes medicaments simultaneously.
The major structural types of existing DPP-IV inhibitor has: chemically structure type divides and is broadly divided into piperazine Piperazine triazole type, 2-cyano-pyrolidin class, thiazolidines, Pyrimdinone, and other types structure medicament.
The invention discloses a kind of containing nitro diamantane (obsolete) and the isostructural DPP-IV inhibitor of amide, these are changed Compound may be used for the medicine of preparation treatment diabetes.
Summary of the invention
It is an object of the present invention to provide one and there is excellent activity, there is compound and the medicine thereof of Formulas I Acceptable salt on.
It is a further object to provide preparation and there is the compound of Formulas I structure and the method for salt thereof.
It is also another object of the present invention to provide compound the answering in terms for the treatment of diabetes containing Formulas I With.
In conjunction with the purpose of the present invention, present invention is specifically described.
The present invention has the compound of Formulas I and has a following structural formula:
Compound of formula I of the present invention is synthesized by following steps:
Compound II reacts with III in the presence of condensing agent, obtains compound IV;Compound IV uses The method of catalytic hydrogenolysis is sloughed Bn protection group and is obtained V;Compound V reacts with VI in the presence of condensing agent, Obtain compound VII;Compound VII acid treatment is sloughed Boc protection group and is obtained I.
Above-mentioned condensing agent includes N, N '-dicyclohexyl carbodiimide (DCC), N-ethyl-N '-(3-diformazan ammonia Base propyl group) carbodiimide hydrochloride (EDC) and carbonyl dimidazoles (CDI) etc., these condensing agents can be with organic Alkali is used in combination, such as triethylamine, diisopropyl ethyl amine (DIPEA) and DMAP (DMAP) etc.. The condition of above-mentioned catalytic hydrogenolysis includes using such as Pd/C and Pd (OH)2Deng catalyst, hydrogen source include hydrogen, HCO2H、HCO2NH4With cyclohexene etc..Above-mentioned acid include hydrochloric acid, sulphuric acid, methanesulfonic acid, trifluoroacetic acid and P-methyl benzenesulfonic acid etc..
The pharmaceutically acceptable salt of compound of formula I of the present invention includes, but are not limited to inorganic with various Acid, such as, hydrochloric acid, sulphuric acid, nitric acid, phosphoric acid etc., or organic acid, such as formic acid, acetic acid, citric acid, The pharmaceutically acceptable salt that oxalic acid, fumaric acid, maleic acid, aminoacid etc. are generated.
Compound or its salt shown in formula I has the inhibitory action of DPP-IV, can be as effectively Composition is used for preparing in treatment diabetes medicament;Preferably, described diabetes are non-insulin-dependent diabetes mellitus. The activity of the compounds of this invention is to be verified by the external inhibitory action to DPP-IV enzyme.
Compound of formula I of the present invention or its salt have the inhibitory action of DPP-IV, can be as effectively becoming Demultiplexing medicine in terms of preparation diabetes.The activity of compound of formula I of the present invention is by internal fall Sugar modelling verification.
The compound of formula I of the present invention is effective in comparatively wide dosage range.Such as every day takes Dosage, about in the range of 1mg-1000mg/ people, is divided into once or is administered for several times.Actual take formula I The dosage of compound can be determined according to relevant situation by doctor.These situations include: the health of patient State, route of administration, age, body weight, individual reaction to medicine, the order of severity etc. of symptom.
Detailed description of the invention
Below in conjunction with embodiment, the present invention is further illustrated.It should be noted that following embodiment It is only for explanation, and is not intended to limit the present invention.Those skilled in the art are done according to the teachings of the present invention The various changes gone out all should be within the protection domain required by the application claim.
The preparation of embodiment 1 compound I-1
The round-bottomed flask of one 100mL adds 2.53g (10mmol) compound II, 3.21g (10 Mmol) compound III, 2.06g (10mmol) N, N '-dicyclohexyl carbodiimide (DCC) and 1.22g (10 Mmol) DMAP (DMAP), dissolves with the THF that 20mL is dried, is stirred overnight under room temperature, TLC display reaction is basically completed.Reactant mixture sucking filtration removes solid, and filtrate is evaporated on a rotary evaporator, Residue column chromatography purification, obtains compound IV, white solid, ESI-MS, m/z=574 ([M+NH4]+)。
3.34 (6mmol) compound IV is dissolved in 30mL THF, adds 0.10g 10%Pd/C, room The lower catalytic hydrogenolysis of temperature, reaction completed in 12 hours.Reactant mixture sucking filtration removes catalyst, and filtrate is in rotation Turn and pour in 200mL water after concentrating on evaporimeter, stirring, extract with 50mL × 3 dichloromethane.Close And extraction phase, with brine It, anhydrous sodium sulfate is dried, and is evaporated on a rotary evaporator, residue post layer Analysis purification, obtains V sterling, white solid, ESI-MS, m/z=465 ([M-H]-)。
1.86g (4mmol) compound V-, 0.38g (4mmol) compound VI, 0.82g (4mmol) DCC It is stirred overnight in the THF that 15mL is dried with 0.49g (10mmol) DMAP (DMAP). Reactant mixture sucking filtration removes solid, and filtrate is evaporated on a rotary evaporator, residue column chromatography purification, obtains Compound VII, white solid, ESI-MS, m/z=562 [M+NH4]+)。
1.09g (2mmol) compound VII is dissolved in 1mL dichloromethane and the mixing of 1mL trifluoroacetic acid In solvent, it is stirred overnight under room temperature.Reactant mixture is poured in 100mL frozen water, stirring, with 50mL × 3 dichloromethane extractions.Merging extraction phase, with brine It, anhydrous sodium sulfate is dried, at Rotary Evaporators On be evaporated, residue column chromatography purification, obtain I sterling, white solid, ESI-MS, m/z=462 [M+NH4]+)。
The preparation of embodiment 2 reference compound D1
For absolutely proving the beneficial effect of the compounds of this invention, applicant describes discovery in experimentation Following formula: compound D1 (is not disclosed), as drug effect reference compound.
Its preparation method is as follows:
The round-bottomed flask of one 100mL adds 2.08g (10mmol) compound II, 3.21g (10 Mmol) compound III, 2.06g (10mmol) N, N '-dicyclohexyl carbodiimide (DCC) and 1.22g (10 Mmol) DMAP (DMAP), dissolves with the THF that 20mL is dried, is stirred overnight under room temperature, TLC display reaction is basically completed.Reactant mixture sucking filtration removes solid, and filtrate is evaporated on a rotary evaporator, Residue column chromatography purification, obtains compound IV, white solid, ESI-MS, m/z=529 ([M+NH4]+)。
3.07 (6mmol) compound IV is dissolved in 30mL THF, adds 0.10g 10%Pd/C, room The lower catalytic hydrogenolysis of temperature, reaction completed in 12 hours.Reactant mixture sucking filtration removes catalyst, and filtrate is in rotation Turn and pour in 200mL water after concentrating on evaporimeter, stirring, extract with 50mL × 3 dichloromethane.Close And extraction phase, with brine It, anhydrous sodium sulfate is dried, and is evaporated on a rotary evaporator, residue post layer Analysis purification, obtains V sterling, white solid, ESI-MS, m/z=420 ([M-H]-)。
1.68g (4mmol) compound V-, 0.38g (4mmol) compound VI, 0.82g (4mmol) DCC It is stirred overnight in the THF that 15mL is dried with 0.49g (10mmol) DMAP (DMAP). Reactant mixture sucking filtration removes solid, and filtrate is evaporated on a rotary evaporator, residue column chromatography purification, obtains Compound VII, white solid, ESI-MS, m/z=517 [M+NH4]+)。
1.00g (2mmol) compound VII is dissolved in 1mL dichloromethane and the mixing of 1mL trifluoroacetic acid In solvent, it is stirred overnight under room temperature.Reactant mixture is poured in 100mL frozen water, stirring, with 50mL × 3 dichloromethane extractions.Merging extraction phase, with brine It, anhydrous sodium sulfate is dried, at Rotary Evaporators On be evaporated, residue column chromatography purification, obtain I sterling, white solid, ESI-MS, m/z=417 [M+NH4]+)。
The inhibitory action of DPP-IV enzyme is measured by embodiment 3 compound
Use the fluorescence DPP4 activity detection kit of BPS Biological Science Co., Ltd, measure the change of the present invention The compound inhibitory activity to DPP-IV enzyme.
Sample is respectively as follows: 5,10,30,100 and 200ng/kg by gradient dilution concentration successively, glimmering Photoreaction 96 orifice plate, according to the form below addition sample:
22 DEG C of water-baths, place 10min, Spectra Max M5 type fluorescence detector exciting light 350nm, With 450nm fluoremetry absorption value.IC is calculated according to concentration-fluorescence intensity curves50Value, result see table.
The compound IC to the suppression of DPP-IV enzyme50Value
As can be seen from the above table, the compound of the present invention has the strongest inhibitory action to DPP-IV enzyme.

Claims (3)

1. there is compound or its pharmaceutically acceptable salt of Formulas I:
2. compound or the method for its pharmaceutically acceptable salt described in synthesis claim 1:
Compound II reacts with III in the presence of condensing agent, obtains compound IV, and wherein, condensing agent is N, N'-bis- Cyclohexylcarbodiimide;The method of compound IV use catalytic hydrogenolysis is sloughed Bn protection group and is obtained V, its In, the catalyst of catalytic hydrogenolysis is Pd/C, and hydrogen source is hydrogen;Compound V in the presence of condensing agent with VI Reaction, obtains compound VII, and wherein, condensing agent is N, N'-dicyclohexyl carbodiimide;Compound VII Slough Boc protection group with trifluoroacetic acid process and obtain I.
3. compound described in claim 1 or its pharmaceutically acceptable salt are in terms of preparation treatment diabetes medicament Application.
CN201510016730.5A 2015-01-13 2015-01-13 A kind of containing nitro diamantane (obsolete) with the derivant of amide structure, Preparation Method And The Use Expired - Fee Related CN104478777B (en)

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000026186A1 (en) * 1998-11-02 2000-05-11 Welfide Corporation Pyrrolidine compounds and medicinal utilization thereof
WO2005058849A1 (en) * 2003-12-15 2005-06-30 Glenmark Pharmaceuticals Ltd. New dipeptidyl peptidase in inhibitors; process for their preparation and compositions containing them
WO2005073186A1 (en) * 2004-01-29 2005-08-11 Ono Pharmaceutical Co., Ltd. Pyrrolidine derivatives
WO2006012441A1 (en) * 2004-07-23 2006-02-02 Susan Marie Royalty Peptidase inhibitors
CN101050194A (en) * 2006-04-05 2007-10-10 上海恒瑞医药有限公司 Derivative of bicyclo-octanes class, preparation method, and application of medicine
CN101090901A (en) * 2003-06-20 2007-12-19 霍夫曼-拉罗奇有限公司 Hexahydropyridoisoqinolines as DPP-IV inhibitors

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000026186A1 (en) * 1998-11-02 2000-05-11 Welfide Corporation Pyrrolidine compounds and medicinal utilization thereof
CN101090901A (en) * 2003-06-20 2007-12-19 霍夫曼-拉罗奇有限公司 Hexahydropyridoisoqinolines as DPP-IV inhibitors
WO2005058849A1 (en) * 2003-12-15 2005-06-30 Glenmark Pharmaceuticals Ltd. New dipeptidyl peptidase in inhibitors; process for their preparation and compositions containing them
WO2005073186A1 (en) * 2004-01-29 2005-08-11 Ono Pharmaceutical Co., Ltd. Pyrrolidine derivatives
WO2006012441A1 (en) * 2004-07-23 2006-02-02 Susan Marie Royalty Peptidase inhibitors
CN101050194A (en) * 2006-04-05 2007-10-10 上海恒瑞医药有限公司 Derivative of bicyclo-octanes class, preparation method, and application of medicine

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Denomination of invention: Derivative with nitro adamantine structure and amide structure and preparation method and application thereof

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