WO2007011760A2 - Inhibiteurs de la kinesine mitotique - Google Patents

Inhibiteurs de la kinesine mitotique Download PDF

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WO2007011760A2
WO2007011760A2 PCT/US2006/027450 US2006027450W WO2007011760A2 WO 2007011760 A2 WO2007011760 A2 WO 2007011760A2 US 2006027450 W US2006027450 W US 2006027450W WO 2007011760 A2 WO2007011760 A2 WO 2007011760A2
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group
optionally substituted
recited
alkyl
hydrogen
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WO2007011760A3 (fr
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Anthony B. Pinkerton
Robert L. David
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Kalypsys, Inc.
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    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D213/00—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members
    • C07D213/02—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members
    • C07D213/04—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom
    • C07D213/60—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom 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
    • C07D213/78—Carbon atoms having three bonds to hetero atoms, with at the most one bond to halogen, e.g. ester or nitrile radicals
    • C07D213/81—Amides; Imides
    • C07D213/82—Amides; Imides in position 3
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K31/00—Medicinal preparations containing organic active ingredients
    • A61K31/33—Heterocyclic compounds
    • A61K31/395—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins
    • A61K31/435—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with one nitrogen as the only ring hetero atom
    • A61K31/44—Non condensed pyridines; Hydrogenated derivatives thereof
    • A61K31/4418—Non condensed pyridines; Hydrogenated derivatives thereof having a carbocyclic group directly attached to the heterocyclic ring, e.g. cyproheptadine
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K31/00—Medicinal preparations containing organic active ingredients
    • A61K31/33—Heterocyclic compounds
    • A61K31/395—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins
    • A61K31/435—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with one nitrogen as the only ring hetero atom
    • A61K31/44—Non condensed pyridines; Hydrogenated derivatives thereof
    • A61K31/4427—Non condensed pyridines; Hydrogenated derivatives thereof containing further heterocyclic ring systems
    • A61K31/443—Non condensed pyridines; Hydrogenated derivatives thereof containing further heterocyclic ring systems containing a five-membered ring with oxygen as a ring hetero atom
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K31/00—Medicinal preparations containing organic active ingredients
    • A61K31/33—Heterocyclic compounds
    • A61K31/395—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins
    • A61K31/435—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with one nitrogen as the only ring hetero atom
    • A61K31/44—Non condensed pyridines; Hydrogenated derivatives thereof
    • A61K31/4427—Non condensed pyridines; Hydrogenated derivatives thereof containing further heterocyclic ring systems
    • A61K31/4439—Non condensed pyridines; Hydrogenated derivatives thereof containing further heterocyclic ring systems containing a five-membered ring with nitrogen as a ring hetero atom, e.g. omeprazole
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K31/00—Medicinal preparations containing organic active ingredients
    • A61K31/33—Heterocyclic compounds
    • A61K31/395—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins
    • A61K31/435—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with one nitrogen as the only ring hetero atom
    • A61K31/44—Non condensed pyridines; Hydrogenated derivatives thereof
    • A61K31/4427—Non condensed pyridines; Hydrogenated derivatives thereof containing further heterocyclic ring systems
    • A61K31/444—Non condensed pyridines; Hydrogenated derivatives thereof containing further heterocyclic ring systems containing a six-membered ring with nitrogen as a ring heteroatom, e.g. amrinone
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K31/00—Medicinal preparations containing organic active ingredients
    • A61K31/33—Heterocyclic compounds
    • A61K31/395—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins
    • A61K31/435—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with one nitrogen as the only ring hetero atom
    • A61K31/44—Non condensed pyridines; Hydrogenated derivatives thereof
    • A61K31/455—Nicotinic acids, e.g. niacin; Derivatives thereof, e.g. esters, amides
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P29/00—Non-central analgesic, antipyretic or antiinflammatory agents, e.g. antirheumatic agents; Non-steroidal antiinflammatory drugs [NSAID]
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P35/00—Antineoplastic agents
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P37/00—Drugs for immunological or allergic disorders
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P9/00—Drugs for disorders of the cardiovascular system
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D401/00—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom
    • C07D401/02—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom containing two hetero rings
    • C07D401/12—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom containing two hetero rings linked by a chain containing hetero atoms as chain links
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D405/00—Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom
    • C07D405/02—Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom containing two hetero rings
    • C07D405/12—Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom containing two hetero rings linked by a chain containing hetero atoms as chain links

Definitions

  • the present invention is directed to new heterocyclic compounds and compositions and their application as pharmaceuticals for the treatment of disease.
  • Methods of inhibition of mitotic kinesin KSP activity in a human or animal subject are also provided for the treatment of cellular proliferative diseases, such as cancer, hyperplasias, restenosis, cardiac hypertrophy, immune disorders and inflammation.
  • the mitotic spindle is responsible for distribution of replicate copies of the genome to each of the two daughter cells that result from cell division. Disruption of the mitotic spindle can inhibit cell division, and induce cell death.
  • Microtubules are the primary structural element of the mitotic spindle; they are the site of action of certain existing therapeutic agents used to treat cancer, such as taxanes and vinca alkaloids. Microtubules, however, exist as elements in other types of cellular structures (including tracks for intracellular transport in nerve processes). The therapeutic targeting of microtubules can, therefore, modulate processes in addition to cellular proliferation, leading to side effects that limit the usefulness of such drugs.
  • One novel anti-proliferative mechanism entails selective inhibition of mitotic kinesins, enzymes that are essential for assembly and function of the mitotic spindle, but are not generally part of other microtubule structures, such as in nerve processes. See, e.g., Guidebook to the Cytoskeletal and Motor Proteins, Kreis and Vale, Eds., pp. 389-394 (Oxford University Press 1999). Mitotic kinesins play essential roles during all phases of mitosis. These enzymes are "molecular motors" that transform energy released by hydrolysis of ATP into mechanical force that drives the directional movement of cellular cargoes along microtubules. The catalytic domain sufficient for this task is a compact structure of approximately 340 amino acids.
  • kinesins organize microtubules into the bipolar structure that is the mitotic spindle. Kinesins mediate movement of chromosomes along spindle microtubules, as well as structural changes in the mitotic spindle associated with specific phases of mitosis. Experimental perturbation of mitotic kinesin function causes malformation or dysfunction of the mitotic spindle, frequently resulting in cell cycle arrest and cell death. Mitotic kinesins are attractive targets for the discovery and development of novel anti-mitotic chemotherapeutics.
  • KSP belongs to an evolutionarily conserved kinesin subfamily of plus end-directed microtubule motors that assemble into bipolar homotetramers consisting of antiparallel homodimers.
  • KSP associates with microtubules of the mitotic spindle.
  • Microinjection of antibodies directed against KSP into human cells prevents spindle pole separation during prometaphase, giving rise to monopolar spindles and causing mitotic arrest and induction of programmed cell death.
  • KSP and related kinesins in other, non-human, organisms bundle antiparallel microtubules and slide them relative to one another, thus forcing the two spindle poles apart.
  • KSP may also mediate in anaphase B spindle elongation and focusing of microtubules at the spindle pole.
  • Human KSP (also termed HsEg5 or EG-5) has been described [Blangy, et al., Cell, 83: 1159-69 (1995); Whitehead, et al., Arthritis Rheum., 39:1635-42 (1996); Galgio et al., J. Cell Biol., 135:339-414 (1996); Blangy, et al., J Biol. Chem., 272:19418-24 (1997); Blangy, et al., Cell Motil. Cytoskeleton, 40: 174-82 (1998); Whitehead and Rattner, J. Cell Sci., 11 1:2551-61 (1998); Kaiser, et al., JBC
  • Novel compounds and pharmaceutical compositions that treat cellular proliferative diseases by inhibiting KSP have been found together with methods of synthesizing and using the compounds including methods for inhibiting or modulating KSP in a patient by administering the compounds.
  • the present invention discloses a class of compounds, useful in treating KSP-mediated disorders and conditions, defined by structural Formula I:
  • R 1 and R 2 are independently selected from the group consisting of hydrogen, lower alkyl, lower alkenyl, lower alkynyl, lower alkoxyalkyl, lower alkylthioalkyl, aryl, arylalkyl, arylalkenyl, arylalkynyl, heteroaryl, heteroarylalkyl, heteroarylalkenyl, lower cycloalkyl, lower cycloalkylalkyl, and heterocycloalkyl, any of which may be optionally substituted; or R 1 and R 2 , together with the atoms to which they are attached, may be joined to form an optionally substituted 4-to 7-membered heterocycloalkyl ring;
  • R 3 , R 4 , R 5 , R 6 and R 7 are independently selected from the group consisting of hydrogen, carboxy, alkoxycarbonyl, alkoxycarbonylalkyl, alkylaminocarbonyl, cyano, halo, hydroxy, nitro, lower alkyl, lower alkenyl, lower alkynyl, lower alkoxy, lower alkoxyalkyl, lower alkoxyalkylamino, lower hydroxyalkyl, lower acyl, lower alkylamino, lower dialkylamino, lower alkylaminoalkyl, amido, lower alkylamido, lower dialkylamido, lower haloalkyl, lower perhaloalkyl, lower alkylthio, lower alkylthioalkyl, lower alkylsulfonyl, lower alkylsulfonyl alkyl, lower alkylsulfonamido, lower sulfonamidoalkyl, sulfona
  • X is selected from the group consisting of O and S;
  • Q 1 and Q 2 are independently selected from the group consisting of C(R 7 ) and N, with the proviso that only one of Q 1 or Q 2 may be C(R 7 ); and
  • Q 3 , Q 4 , Q 5 , Q 6 and Q 7 are independently selected from the group consisting of C(R 7 ) and N.
  • the present invention also provides pharmaceutical compositions comprising one or more compounds of the present invention together with a pharmaceutically acceptable carrier, as well as methods of making and using the compounds and compositions.
  • the present invention provides methods for inhibiting or modulating KSP.
  • the present invention provides methods for treating a KSP-mediated disorder in a patient in need of such treatment comprising administering to said patient a therapeutically effective amount of a compound or composition according to the present invention.
  • the present invention also contemplates the use of compounds disclosed herein for use in the manufacture of a medicament for the treatment of a disease or condition ameliorated by the inhibition or modulation of KSP activity.
  • the compounds of the present invention have structural Formula II:
  • R 1 and R 2 are independently selected from the group consisting of hydrogen, lower alkyl, lower alkenyl, lower alkynyl, lower alkoxyalkyl, lower alkylthioalkyl, aryl, arylalkyl, arylalkenyl, arylalkynyl, heteroaryl, heteroarylalkyl, heteroarylalkenyl, lower cycloalkyl, lower cycloalkylalkyl, and heterocycloalkyl, any of which may be optionally substituted; or R 1 and R 2 , together with the atoms to which they are attached, may be joined to form an optionally substituted 4-to 7-membered heterocycloalkyl ring;
  • R 3 , R 4 , R 7 , R 8 and R 9 are independently selected from the group consisting of hydrogen, carboxy, alkoxycarbonyl, alkoxycarbonylalkyl, alkylaminocarbonyl, cyano, halo, hydroxy, nitro, lower alkyl, lower alkenyl, lower alkynyl, lower alkoxy, lower alkoxyalkyl, lower alkoxyalkylamino, lower hydroxyalkyl, lower acyl, lower alkylamino, lower dialkylamino, lower alkylaminoalkyl, amido, lower alkylamido, lower dialkylamido, lower haloalkyl, lower perhaloalkyl, lower alkylthio, lower alkylthioalkyl, lower alkylsulfonyl, lower alkylsulfonyl alkyl, lower alkylsulfonamido, lower sulfonamidoalkyl, sulfona
  • Q 3 , Q 4 ) Q 5 and Q 6 are independently selected from the group consisting of C(R 7 ) and N.
  • the compounds of the present invention have structural Formula II wherein:
  • R 1 is selected from the group consisting of hydrogen, lower alkyl, aryl, arylalkyl, heteroaryl, heteroarylalkyl, heteroarylalkenyl, lower cycloalkyl, lower cycloalkylalkyl, and heterocycloalkyl, any of which may be optionally substituted
  • R 2 is hydrogen
  • R 3 , R 4 , R 7 and R 8 are hydrogen
  • R 9 is selected from the group consisting of hydrogen, cyano, halo, hydroxy, lower alkyl, lower alkoxy, lower perhaloalkyl, lower alkylthio, lower cycloalkyl, and lower cycloalkylalkyl, any of which may be optionally substituted; and
  • Q 3 , Q 4 , Q 5 and Q 6 are independently selected from the group consisting of C(R 7 ) and N.
  • the compounds of the present invention have structural Formula II wherein:
  • R 1 is selected from the group consisting of hydrogen, lower alkyl, aryl, arylalkyl, heteroaryl, heteroarylalkyl, heteroarylalkenyl, lower cycloalkyl, lower cycloalkylalkyl, and heterocycloalkyl, any of which may be optionally substituted
  • R 2 is hydrogen
  • R 3 , R 4 , R 7 and R 8 are hydrogen; R 9 is optionally substituted alkyl; and Q 3 , Q 4 , Q 5 , and Q 6 are C(R 7 ).
  • the compounds of the present invention have structural Formula II wherein:
  • R 1 is selected from the group consisting of hydrogen, lower alkyl, aryl, arylalkyl, heteroaryl, heteroarylalkyl, heteroarylalkenyl, lower cycloalkyl, lower cycloalkylalkyl, and heterocycloalkyl, any of which may be optionally substituted
  • R 2 is hydrogen
  • R 3 , R 4 , R 7 and R 8 are hydrogen; R 9 is is optionally substituted tert-butyl; and Q 3 , Q 4 , Q 5 , and Q 6 are C(R 7 ).
  • the compounds of the present invention have structural Formula III:
  • Q 3 , Q 4 , Q 5 and Q 6 are independently selected from the group consisting of C(R 7 ) and N.
  • the compounds of the present invention have structural Formula III wherein: R 1 is selected from the group consisting of hydrogen, lower alkyl, aryl, arylalkyl, heteroaryl, heteroarylalkyl, heteroarylalkenyl, lower cycloalkyl, lower cycloalkylalkyl, and heterocycloalkyl, any of which may be optionally substituted;
  • R 2 is hydrogen
  • R 3 , R 4 , R 7 and R 10 are hydrogen;
  • R 11 is selected from the group consisting of hydrogen, cyano, halo, hydroxy, lower alkyl, lower alkoxy, lower perhaloalkyl, lower alkylthio, lower cycloalkyl, and lower cycloalkylalkyl, any of which may be optionally substituted;
  • Q 3 > Q 4 > Q 5 ar >d Q 6 are independently selected from the group consisting of C(R 7 ) and N.
  • the compounds of the present invention have structural Formula III wherein:
  • R 1 is selected from the group consisting of hydrogen, lower alkyl, aryl, arylalkyl, heteroaryl, heteroarylalkyl, heteroarylalkenyl, lower cycloalkyl, lower cycloalkylalkyl, and heterocycloalkyl, any of which may be optionally substituted;
  • R 2 is hydrogen;
  • R 3 , R 4 , R 7 and R 10 are hydrogen
  • R 1 ' is optionally substituted alkyl
  • Q 3 , Q 4 , Q 5 and Q 6 are independently selected from the group consisting of C(R 7 ) and N.
  • the compounds of the present invention have structural Formula III wherein: R 1 is selected from the group consisting of hydrogen, lower alkyl, aryl, arylalkyl, heteroaryl, heteroarylalkyl, heteroarylalkenyl, lower cycloalkyl, lower cycloalkylalkyl, and heterocycloalkyl, any of which may be optionally substituted;
  • R 2 is hydrogen;
  • R 3 , R 4 , R 7 and R 1 ° are hydrogen;
  • R 11 is optionally substituted tert-butyl
  • Q 3 , Q 4 , Q 5 and Q fi are independently selected from the group consisting of C(R 7 ) and " N.
  • the compounds of the present invention have structural Formula IV:
  • R 1 is selected from the group consisting of hydrogen, lower alkyl, lower alkenyl, lower alkynyl, lower alkoxyalkyl, lower alkylthioalkyl, aryl, arylalkyl, arylalkenyl, arylalkynyl, heteroaryl, heteroarylalkyl, heteroarylalkenyl, lower cycloalkyl, lower cycloalkylalkyl, and heterocycloalkyl, any of which may be optionally substituted;
  • R 3 , R 4 , R 7 and R 8 are independently selected from the group consisting of hydrogen, cyano, halo, hydroxy, lower alkyl, lower alkenyl, lower alkynyl, lower alkoxy, lower perhaloalkyl, lower alkylthio, lower alkylsulfonyl, lower cycloalkyl, and lower cycloalkylalkyl, any of which may be optionally substituted;
  • R 12 and R 13 are independently selected from the group consisting of carboxy, alkoxycarbonyl, alkoxycarbonylalkyl, alkylaminocarbonyl, cyano, halo, hydroxy, lower alkyl, lower alkenyl, lower alkynyl, lower alkoxy, lower alkoxyalkyl, lower alkoxyalkylamino, lower hydroxyalkyl, lower acyl, lower alkylamino, lower dialkylamino, lower alkylaminoalkyl, amido, lower alkylamido, lower dialkylamido, lower haloalkyl, lower perhaloalkyl, lower alkylthio, lower alkylthioalkyl, lower alkylsulfonyl, lower alkylsulfonyl alkyl, lower alkylsulfonamido, lower sulfonamidoalkyl, sulfonamidoaryl, aryl, arylalkyl,
  • Q 3 , Q 4 , Q 5 and Q B are independently selected from the group consisting of C(R 7 ) and N.
  • the compounds of the present invention have structural Formula IV wherein:
  • R 1 is selected from the group consisting of lower alkyl, aryl, arylalkyl, heteroaryl, heteroarylalkyl, heteroarylalkenyl, lower cycloalkyl, lower cycloalkylalkyl, and heterocycloalkyl, any of which may be optionally substituted;
  • R 3 , R 4 , R 7 and R s are independently selected from the group consisting of hydrogen, cyano, halo, hydroxy, lower alkyl, lower alkenyl, lower alkynyl, lower alkoxy, lower perhaloalkyl, lower alkylthio, lower alkylsulfonyl, lower cycloalkyl, and lower cycloalkylalkyl, any of which may be optionally substituted;
  • R 12 and R 13 are independently selected from the group consisting of cyano, halo, lower alkyl, lower alkenyl, lower alkynyl, lower alkoxy, lower perhaloalkyl, lower alkylthio, aryl, arylalkyl, arylalkenyl, arylalkynyl, heteroaryl, heteroarylalkyl, heteroarylalkenyl, lower cycloalkyl, lower cycloalkylalkyl, heterocycloalkyl, and heterocyclo
  • the compounds of the present invention have structural Formula IV wherein:
  • R 1 is selected from the group consisting of lower alkyl, aryl, arylalkyl, heteroaryl, heteroarylalkyl, heteroarylalkenyl, lower cycloalkyl, lower cycloalkylalkyl, and heterocycloalkyl, any of which may be optionally substituted;
  • R 3 , R 4 , R 7 and R 8 are hydrogen
  • R 12 and R 13 are independently selected from the group consisting of lower alkyl, lower alkenyl, lower alkynyl, lower perhaloalkyl, lower alkylthio, lower cycloalkyl, and lower cycloalkylalkyl, any of which may be optionally substituted; and
  • Q 3 , Q 4 , Q 5 , and Q 6 are C(R 7 ).
  • the compounds of the present invention have structural Formula IV wherein: R 1 is selected from the group consisting of lower alkyl, aryl, arylalkyl, heteroaryl, heteroarylalkyl, heteroarylalkenyl, lower cycloalkyl, lower cycloalkylalkyl, and heterocycloalkyl, any of which may be optionally substituted;
  • R 3 , R 4 , R 7 and R 8 are hydrogen; R 12 and R 13 are optionally substituted alkyl; and Q 3 , Q 4 , Q 5 , and Q 6 are C(R 7 ).
  • the compounds of the present invention have structural Formula IV wherein: R 1 is selected from the group consisting of lower alkyl, aryl, arylalkyl, heteroaryl, heteroarylalkyl, heteroarylalkenyl, lower cycloalkyl, lower cycloalkylalkyl, and heterocycloalkyl, any of which may be optionally substituted;
  • R 3 , R 4 , R 7 and R 8 are hydrogen
  • R 12 and R 13 are methyl
  • Q 3 , Q 4 , Q 5 , and Q 6 are C(R 7 ).
  • the compounds of the present invention have structural Formula V:
  • R 1 is selected from the group consisting of hydrogen, lower alkyl, lower alkenyl, lower alkynyl, lower alkoxyalkyl, lower alkylthioalkyl, aryl, arylalkyl, arylalkenyl, arylalkynyl, heteroaryl, heteroarylalkyl, heteroarylalkenyl, lower cycloalkyl, lower cycloalkylalkyl, and heterocycloalkyl, any of which may be optionally substituted;
  • R 3 , R 4 and R 7 and R 10 are independently selected from the group consisting of hydrogen, cyano, halo, hydroxy, lower alkyl, lower alkenyl, lower alkynyl, lower alkoxy, lower perhaloalkyl, lower alkylthio, lower alkylsulfonyl, lower cycloalkyl, and lower cycloalkylalkyl, any of which may be optionally substituted;
  • R 12 and R 13 are independently selected from the group consisting of carboxy, alkoxycarbonyl, alkoxycarbonylalkyl, alkylaminocarbonyl, cyano, halo, hydroxy, lower alkyl, lower alkenyl, lower alkynyl, lower alkoxy, lower alkoxyalkyl, lower alkoxyalkylamino, lower hydroxyalkyl, lower acyl, lower alkylamino, lower dialkylamino, lower alkylaminoalkyl, amido, lower alkylamido, lower dialkylamido, lower haloalkyl, lower perhaloalkyl, lower alkylthio, lower alkylthioalkyl, lower alkylsulfonyl, lower alkylsulfonyl alkyl, lower alkylsulfonamido, lower sulfonamidoalkyl, sulfonamidoaryl, aryl, arylalkyl,
  • Q 3 J Q 4 ) Q 5 an d Q 6 are independently selected from the group consisting of C(R 7 ) and N.
  • the compounds of the present invention have structural Formula V wherein:
  • R 1 is selected from the group consisting of lower alkyl, aryl, arylalkyl, heteroaryl, heteroarylalkyl, heteroarylalkenyl, lower cycloalkyl, lower cycloalkylalkyl, and heterocycloalkyl, any of which may be optionally substituted;
  • R 3 , R 4 and R 7 and R 10 are independently selected from the group consisting of hydrogen, cyano, halo, hydroxy, lower alkyl, lower alkenyl, lower alkynyl, lower alkoxy, lower perhaloalkyl, lower alkylthio, lower alkylsulfonyl, lower cycloalkyl, and lower cycloalkylalkyl, any of which may be optionally substituted;
  • R 12 and R 13 are independently selected from the group consisting of cyano, halo, hydroxy, lower alkyl, lower alkenyl, lower alkynyl, lower alkoxy, lower perhaloalkyl, lower alkylthio, aryl, arylalkyl, arylalkenyl, arylalkynyl, heteroaryl, heteroarylalkyl, heteroarylalkenyl, lower cycloalkyl, lower cycloalkylalkyl, heterocycloalkyl, and heterocycloalkenyl, any of which may be optionally substituted; and
  • Q 5 and Q 6 are independently selected from the group consisting of C(R 7 ) and N.
  • the compounds of the present invention have structural Formula V wherein: R 1 is selected from the group consisting of lower alkyl, aryl, arylalkyl, heteroaryl, heteroarylalkyl, heteroarylalkenyl, lower cycloalkyl, lower cycloalkylalkyl, and heterocycloalkyl, any of which may be optionally substituted;
  • R 3 , R 4 , R 7 and R 10 are hydrogen
  • R 12 and R 13 are independently selected from the group consisting of lower alkyl, lower alkenyl, lower alkynyl, lower perhaloalkyl, lower alkylthio, lower cycloalkyl, and lower cycloalkylalkyl, any of which may be optionally substituted; and
  • Q 3 , Q 4 , Q 5 and Q 6 are independently selected from the group consisting of C(R 7 ) and N.
  • the compounds of the present invention have structural Formula V wherein:
  • R 1 is selected from the group consisting of lower alkyl, aryl, arylalkyl, heteroaryl, heteroarylalkyl, heteroarylalkenyl, lower cycloalkyl, lower cycloalkylalkyl, and heterocycloalkyl, any of which may be optionally substituted;
  • R 3 , R 4 , R 7 and R 10 are hydrogen; R 12 and R 13 are optionally substituted alkyl; and
  • R 1 is selected from the group consisting of lower alkyl, aryl, arylalkyl, heteroaryl, heteroarylalkyl, heteroarylalkenyl, lower cycloalkyl, lower cycloalkylalkyl, and heterocycloalkyl, any of which may be optionally substituted;
  • R 3 , R 4 , R 7 and R 10 are hydrogen
  • R 12 and R 13 are methyl
  • Q 3 , Q 4 , Q 5 , and Q 6 are C(R 7 ).
  • the compounds of the present invention have structural Formula VI:
  • R 1 is selected from the group consisting of lower alkyl, lower alkenyl, lower alkynyl, lower alkoxyalkyl, lower alkylthioalkyl, aryl, arylalkyl, arylalkenyl, arylalkynyl, heteroaryl, heteroarylalkyl, heteroarylalkenyl, lower cycloalkyl, lower cycloalkylalkyl, and heterocycloalkyl, any of which may be optionally substituted;
  • R 3 , R 4 , R 7 , and R 8 are independently selected from the group consisting of hydrogen, cyano, halo, hydroxy, lower alkyl, lower alkenyl, lower alkynyl, lower alkoxy, lower perhaloalkyl, lower alkylthio, lower alkylsulfonyl, lower cycloalkyl, and lower cycloalkylalkyl, any of which may be optionally substituted;
  • R 14 is selected from the group consisting of hydrogen, lower alkyl, lower alkenyl, lower alkynyl, lower alkoxyalkyl, lower acyl, lower perhaloalkyl, lower alkylthioalkyl, lower alkylsulfonyl, lower cycloalkyl, and lower cycloalkylalkyl, any of which may be optionally substituted; and
  • Q 3 , Q 4 , Q 5 , and Q 7 are independently selected from the group consisting of C(R 7 ) and N.
  • the compounds of the present invention have structural Formula VI wherein: R 1 is selected from the group consisting of lower alkyl, aryl, arylalkyl, heteroaryl, heteroarylalkyl, heteroarylalkenyl, lower cycloalkyl, lower cycloalkylalkyl, and heterocycloalkyl, any of which may be optionally substituted;
  • R 3 , R 4 , R 7 , and R 8 are independently selected from the group consisting of hydrogen, cyano, halo, hydroxy, lower alkyl, lower alkenyl, lower alkynyl, lower alkoxy, lower perhaloalkyl, lower alkylthio, lower alkylsulfonyl, lower cycloalkyl, and lower cycloalkylalkyl, any of which may be optionally substituted;
  • R 14 is selected from the group consisting of hydrogen, lower alkyl, lower perhaloalkyl, lower cycloalkyl, and lower cycloalkylalkyl, any of which may be optionally substituted; and Q 3 , Q 4 , Q 5 , and Q 7 are independently selected from the group consisting of C(R 7 ) and N.
  • the compounds of the present invention have structural Formula VI wherein:
  • R 1 is selected from the group consisting of lower alkyl, aryl, arylalkyl, heteroaryl, heteroarylalkyl, heteroarylalkenyl, lower cycloalkyl, lower cycloalkylalkyl, and heterocycloalkyl, any of which may be optionally substituted;
  • R 3 , R 4 , R 7 and R 8 are hydrogen
  • R 14 is selected from the group consisting of hydrogen and optionally substituted lower alkyl; and Q 3 , Q 4 , Q 5 , and Q 7 are C(R 7 ).
  • the compounds of the present invention have structural Formula VI wherein:
  • R 1 is selected from the group consisting of lower alkyl, aryl, arylalkyl, heteroaryl, heteroarylalkyl, heteroarylalkenyl, lower cycloalkyl, lower cycloalkylalkyl, and heterocycloalkyl, any of which may be optionally substituted;
  • R 3 , R 4 , R 7 and R 8 are hydrogen
  • R 14 is hydrogen
  • Q 3 , Q 4 , Q 5 , and Q 7 are C(R 7 ).
  • acyl refers to a carbonyl attached to an alkenyl, alkyl, aryl, cycloalkyl, heteroaryl, heterocycle, or any other moiety were the atom attached to the carbonyl is carbon.
  • An “acetyl” group refers to a-C(O)CH 3 group. Examples of acyl groups include formyl, alkanoyl and aroyl radicals.
  • acylamino embraces an amino radical substituted with an acyl group.
  • An example of an “acylamino” radical is acetylamino (CH 3 C(O)NH-).
  • alkenyl refers to a straight-chain or branched-chain hydrocarbon radical having one or more double bonds and containing from 2 to 20, preferably 2 to 6, carbon atoms.
  • suitable alkenyl radicals include ethenyl, propenyl, 2-methylpropenyl, 1,4-butadienyl and the like.
  • alkoxy refers to an alkyl ether radical, wherein the term alkyl is as defined below. Examples of suitable alkyl ether radicals include methoxy, ethoxy, n-propoxy, isopropoxy, n-butoxy, iso-butoxy, sec-butoxy, tert-butoxy, and the like.
  • alkoxyalkoxy refers to one or more alkoxy groups attached to the parent molecular moiety through another alkoxy group. Examples include ethoxyethoxy, methoxypropoxyethoxy, ethoxypentoxyethoxyethoxy and the like.
  • alkoxyalkyl refers to an alkoxy group attached to the parent molecular moiety through an alkyl group.
  • alkoxyalkyl also embraces alkoxyalkyl groups having one or more alkoxy groups attached to the alkyl group, that is, to form monoalkoxyalkyl and dialkoxyalkyl groups.
  • alkoxy carbonyl refers to an alkoxy group attached to the parent molecular moiety through a carbonyl group.
  • alkoxycarbonyl examples include methoxycarbonyl, ethoxycarbonyl, propoxycarbonyl, butoxycarbonyl and hexyloxy carbonyl .
  • alkoxycarbonylalkyl embraces radicals having "alkoxycarbonyl", as defined above substituted to an alkyl radical. More preferred alkoxycarbonylalkyl radicals are "lower alkoxycarbonylalkyl” having lower alkoxycarbonyl radicals as defined above attached to one to six carbon atoms. Examples of such lower alkoxycarbonylalkyl radicals include methoxy carbonylmethyl.
  • alkyl refers to a straight-chain or branched-chain alkyl radical containing from 1 to and including 20, preferably 1 to 10, and more preferably 1 to 6, carbon atoms. Alkyl groups may be optionally substituted as defined herein. Examples of alkyl radicals include methyl, ethyl, n-propyl, isopropyl, n-butyl, isobutyl, sec-butyl, tert-butyl, pentyl, iso-amyl, hexyl, octyl, noyl and the like.
  • alkylene as used herein, alone or in combination, refers to a saturated aliphatic group derived from a straight or branched chain saturated hydrocarbon attached at two or more positions, such as methylene (— CH 2 — ).
  • alkylamino refers to an alkyl group attached to the parent molecular moiety through an amino group. Suitable alkylamino groups may be mono- or dialkylated, forming groups such as, for example, N-methylamino, N-ethylamino, N,N- dimethylamino, N,N-diethylamino and the like.
  • alkylaminocarbonyl refers to an alkylamino group attached to the parent molecular moiety through a carbonyl group. Examples of such radicals include N-methylaminocarbonyl and N,N-dimethylcarbonyl.
  • alkylcarbonyl and “alkanoyl,” as used herein, alone or in combination, refers to an alkyl group attached to the parent molecular moiety through a carbonyl group. Examples of such groups include methyl carbonyl and ethylcarbonyl.
  • alkylidene refers to an alkenyl group in which one carbon atom of the carbon-carbon double bond belongs to the moiety to which the alkenyl group is attached.
  • alkylsulfinyl refers to an alkyl group attached to the parent molecular moiety through a sulfinyl group. Examples of alkylsulfinyl groups include methylsulfinyl, ethylsulfinyl, butylsulfinyl and hexyl sulfinyl.
  • alkylsulfonyl refers to an alkyl group attached to the parent molecular moiety through a sulfonyl group.
  • alkylsulfinyl groups include methanesulfonyl, ethanesulfonyl, tert-butanesulfonyl, and the like.
  • alkylthio refers to an alkyl thioether (R-S- ) radical wherein the term alkyl is as defined above.
  • suitable alkyl thioether radicals include methylthio, ethylthio, n-propylthio, isopropylthio, n-butylthio, iso-butylthio, sec-butylthio, tert-butylthio, ethoxyethylthio, methoxypropoxyethylthio, ethoxypentoxyethoxyethylthio and the like.
  • alkylthioalkyl embraces alkylthio radicals attached to an alkyl radical.
  • Alkylthioalkyl radicals include "lower alkylthioalkyl” radicals having alkyl radicals of one to six carbon atoms and an alkylthio radical as described above. Examples of such radicals include methylthiomethyl.
  • alkynyl refers to a straight-chain or branched chain hydrocarbon radical having one or more triple bonds and containing from 2 to 20, preferably from 2 to 6, more preferably from 2 to 4, carbon atoms.
  • Alkynylene refers to a carbon- carbon triple bond attached at two positions such as ethynylene (-C:::C-, -C ⁇ C-).
  • alkynyl radicals include ethynyl, propynyl, hydroxypropynyl, butyn-1-yl, butyn-2-yl, pentyn-1-yl, pentyn-2-yl, 4-methoxy ⁇ entyn-2-yl, 3-methylbutyn-l-yl, hexyn-1-yl, hexyn-2-yl, hexyn-3-yl, 3,3-dimethylbutyn-l-yl, and the like.
  • amido refers to an amino group as described below attached to the parent molecular moiety through a carbonyl group.
  • amino refers to — NRR , wherein R and R are independently selected from the group consisting of hydrogen, alkenyl, alkoxy, alkoxyalkyl, alkoxycarbonyl, alkyl, alkylcarbonyl, aryl, arylalkenyl, arylalkyl, cycloalkyl, haloalkylcarbonyl, heteroaryl, heteroaryl alkenyl, heteroarylalkyl, heterocycle, heterocycloalkenyl, and heterocycloalkyl, wherein the aryl, the aryl part of the arylalkenyl, the arylalkyl, the heteroaryl, the heteroaryl part of the heteroarylalkenyl and the heteroarylalkyl, the heterocycle, and the heterocycle part of the heterocycloalkenyl and the heterocycloalkyl can be optionally substituted as defined herein with one, two, three, four, or five
  • aminoalkyl refers to an amino group attached to the parent molecular moiety through an alkyl group. Examples include aminomethyl, aminoethyl and aminobutyl.
  • aminocarbonyl and “carbamoyl,” as used herein, alone or in combination, refer to an amino-substituted carbonyl group, wherein the amino group can be a primary or secondary amino group containing substituents selected from alkyl, aryl, aralkyl, cycloalkyl, cycloalkylalkyl radicals and the like.
  • aminocarbonylalkyl refers to an aminocarbonyl radical attached to an alkyl radical, as described above.
  • An example of such radicals is aminocarbonylmethyl.
  • aminocarbonylalkyl denotes an -C(NH)NHa radical.
  • cyanoamidino denotes an -C(N-CN)NH 2 radical.
  • alkenyl or arylalkenyl, as used herein, alone or in combination, refers to an aryl group attached to the parent molecular moiety through an alkenyl group.
  • aralkoxy or "arylalkoxy,” as used herein, alone or in combination, refers to an aryl group attached to the parent molecular moiety through an alkoxy group.
  • aralkyl or "arylalkyl,” as used herein, alone or in combination, refers to an aryl group attached to the parent molecular moiety through an alkyl group.
  • aralkylamino or "arylalkylamino,” as used herein, alone or in combination, refers to an arylalkyl group attached to the parent molecular moiety through a nitrogen atom, wherein the nitrogen atom is substituted with hydrogen.
  • aralkylidene or "arylalkylidene,” as used herein, alone or in combination, refers to an aryl group attached to the parent molecular moiety through an alkylidene group
  • aralkylthio or "arylalkylthio,” as used herein, alone or in combination, refers to an arylalkyl group attached to the parent molecular moiety through a sulfur atom.
  • aralkynyl or “arylalkynyl,” as used herein, alone or in combination, refers to an aryl group attached to the parent molecular moiety through an alkynyl group.
  • aralkoxycarbonyl refers to a radical of the formula aralkyl-O-C(O)- in which the term "aralkyl,” has the significance given above.
  • aralkoxycarbonyl radical examples include benzyloxycarbonyl (Z or Cbz) and 4-methoxyphenylmethoxycarbonyl (MOS).
  • aralkanoyl refers to an acyl radical derived from an aryl-substituted alkanecarboxylic acid such as benzoyl, phenylacetyl, 3-phenylpropionyl (hydrocinnamoyl), 4-phenylbutyryl, (2-naphthyl)acetyl, 4-chlorohydrocinnamoyl, 4- aminohydrocinnamoyl, 4-methoxyhydrocinnamoyl, and the like.
  • aroyl refers to an acyl radical derived from an arylcarboxylic acid, "aryl” having the meaning given below.
  • aroyl radicals include substituted and unsubstituted benzoyl or napthoyl such as benzoyl, 4- chlorobenzoyl, 4-carboxybenzoyl, 4-(benzyloxycarbonyl)benzoyl, 1-naphthoyl, 2-naphthoyl, 6-carboxy- 2-naphthoyl, 6-(benzyloxycarbonyl)-2-naphthoyl, 3-benzyloxy-2-naphthoyl, 3-hydroxy-2-naphthoyl, 3- (benzyloxyformamido)-2-naphthoyl, and the like.
  • aryl as used herein, alone or in combination, means a carbocyclic aromatic system containing one, two or three rings wherein such rings may be attached together in a pendent manner or may be fused.
  • aryl embraces aromatic radicals such as benzyl, phenyl, naphthyl, anthracenyl, phenanthryl, indanyl, indenyl, annulenyl, azulenyl, tetrahydronaphthyl, and biphenyl.
  • arylamino as used herein, alone or in combination, refers to an aryl group attached to the parent moiety through an amino group, such as methylamino, N-phenyl amino, and the like.
  • arylcarbonyl and aroyl refer to an aryl group attached to the parent molecular moiety through a carbonyl group.
  • aryloxy refers to an aryl group attached to the parent molecular moiety through an oxygen atom.
  • arylsulfonyl refers to an aryl group attached to the parent molecular moiety through a sulfonyl group.
  • arylthio refers to an aryl group attached to the parent molecular moiety through a sulfur atom.
  • O-carbamyl as used herein, alone or in combination, refers to a -OC(O)NRR', group-with R and R' as defined herein.
  • N-carbamyl as used herein, alone or in combination, refers to a ROC(O)NR'- group, with R and R' as defined herein.
  • carbonyl when alone includes formyl [-C(O)H] and in combination is a -C(O)- group.
  • Carboxy refers to -C(O)OH or the corresponding “carboxylate” anion, such as is in a carboxylic acid salt.
  • An "O-carboxy” group refers to a RC(O)O- group, where R is as defined herein.
  • a “C-carboxy” group refers to a -C(O)OR groups where R is as defined herein.
  • cyano refers to -CN.
  • cycloalkyl refers to a saturated or partially saturated monocyclic, bicyclic or tricyclic alkyl radical wherein each cyclic moiety contains from 3 to 12, preferably five to seven, carbon atom ring members and which may optionally be a benzo fused ring system which is optionally substituted as defined herein.
  • cycloalkyl radicals examples include cyclopropyl, cyclobutyl, cyclopentyl, cyclohexyl, cycloheptyl, octahydronaphthyl, 2,3-dihydro-lH- indenyl, adamantyl and the like.
  • "Bicyclic” and “tricyclic” as used herein are intended to include both fused ring systems, such as decahydonapthalene, octahydronapthalene as well as the multicyclic (multicentered) saturated or partially unsaturated type.
  • esters refers to a carboxyl group bridging two moieties linked at carbon atoms.
  • ether refers to an oxy group bridging two moieties linked at carbon atoms.
  • halo refers to fluorine, chlorine, bromine, or iodine.
  • haloalkoxy refers to a haloalkyl group attached to the parent molecular moiety through an oxygen atom.
  • haloalkyl refers to an alkyl radical having the meaning as defined above wherein one or more hydrogens are replaced with a halogen. Specifically embraced are monohaloalkyl, dihaloalkyl and polyhaloalkyl radicals.
  • a monohaloalkyl radical for one example, may have either an iodo, bromo, chloro or fluoro atom within the radical.
  • Dihalo and polyhaloalkyl radicals may have two or more of the same halo atoms or a combination of different halo radicals.
  • haloalkyl radicals include fluoromethyl, difluoromethyl, trifluoromethyl, chloromethyl, dichloromethyl, trichloromethyl, pentafluoroethyl, heptafluoropropyl, difluorochloromethyl, dichlorofluoromethyl, difluoroethyl, difluoropropyl, dichloroethyl and dichloropropyl.
  • "Haloalkylene” refers to a halohydrocarbyl group attached at two or more positions. Examples include fluoromethylene (-CFH-), difluoromethylene (-CF 2 -), chloromethylene (-CHC1-) and the like.
  • heteroalkyl refers to a stable straight or branched chain, or cyclic hydrocarbon radical, or combinations thereof, fully saturated or containing from 1 to 3 degrees of unsaturation, consisting of the stated number of carbon atoms and from one to three heteroatoms selected from the group consisting of O, N, and S, and wherein the nitrogen and sulfur atoms may optionally be oxidized and the nitrogen heteroatom may optionally be quaternized.
  • the heteroatom(s) O, N and S may be placed at any interior position of the heteroalkyl group. Up to two heteroatoms may be consecutive, such as, for example, -CH2-NH-OCH3.
  • heteroaryl refers to 3 to 7 membered, preferably 5 to 7 membered, unsaturated heterocyclic rings wherein at least one atom is selected from the group consisting of O, S, and N.
  • Heteroaryl groups are exemplified by: unsaturated 3 to 7 membered heteromonocyclic groups containing 1 to 4 nitrogen atoms, for example, pyrrolyl, pyrrolinyl, imidazolyl, pyrazolyl, pyridyl, pyrimidinyl, pyrazinyl, pyridazinyl, triazolyl [e.g., 4H-l,2,4-triazolyl, 1 H- 1,2,3- triazolyl, 2H-l,2,3-triazolyl, etc.jtetrazolyl [e.g.
  • unsaturated condensed heterocyclic group containing 1 to 5 nitrogen atoms for example, indolyl, isoindolyl, indolizinyl, benzimidazolyl, quinolyl, isoquinolyl, indazolyl, benzotriazolyl, tetrazolopyridazinyl [e.g., tetrazolo[l,5-b]pyridazinyl, etc.], etc.; unsaturated 3 to 6-membered heteromonocyclic groups containing an oxygen atom, for example, pyranyl, furyl, etc.; unsaturated 3 to 6-membered heteromonocyclic groups containing a sulfur atom, for example, thienyl, etc.; unsaturated 3- to 6-membered heteromonocyclic groups containing 1 to 2 oxygen atoms and 1 to 3 nitrogen atoms, for example,
  • the term also embraces radicals where heterocyclic radicals are fused with aryl radicals. Examples of such fused bicyclic radicals include benzofuryl, benzothienyl, and the like.
  • heteroarylkenyl or “heteroarylalkenyl,” as used herein, alone or in combination, refers to a heteroaryl group attached to the parent molecular moiety through an alkenyl group.
  • heteroarylkoxy or “heteroarylalkoxy,” as used herein, alone or in combination, refers to a heteroaryl group attached to the parent molecular moiety through an alkoxy group.
  • heteroarylalkyl refers to a heteroaryl group attached to the parent molecular moiety through an alkyl group.
  • heteroarylkylidene or “heteroarylalkylidene,” as used herein, alone or in combination, refers to a heteroaryl group attached to the parent molecular moiety through an alkylidene group.
  • heteroaryloxy refers to a heteroaryl group attached to the parent molecular moiety through an oxygen atom.
  • heteroarylsulfonyl refers to a heteroaryl group attached to the parent molecular moiety through a sulfonyl group.
  • heterocycloalkyl and, interchangeably, “heterocycle,” as used herein, alone or in combination, each refer to a saturated, partially unsaturated, or fully unsaturated monocyclic, bicyclic, or tricyclic heterocyclic radical containing at least one, preferably 1 to 4, and more preferably 1 to 2 heteroatoms as ring members, wherein each said heteroatom may be independently selected from the group consisting of nitrogen, oxygen, and sulfur, and wherein there are preferably 3 to 8 ring members in each ring, more preferably 3 to 7 ring members in each ring, and most preferably 5 to 6 ring members in each ring.
  • Heterocycloalkyl and “heterocycle” are intended to include sulfones, sulfoxides, N-oxides of tertiary nitrogen ring members, and carbocyclic fused and benzo fused ring systems; additionally, both terms also include systems where a heterocycle ring is fused to an aryl group, as defined herein, or an additional heterocycle group.
  • Heterocycle groups of the invention are exemplified by aziridinyl, azetidinyl, 1,3-benzodioxolyl, dihydroisoindolyl, dihydroisoquinolinyl, dihydrocinnolinyl, dihydrobenzodioxinyl, dihydro[l,3]oxazolo[4,5-b]pyridinyl, benzothiazolyl, dihydroindolyl, dihy- dropyridinyl, 1,3-dioxanyl, 1 ,4-dioxanyl, 1 ,3-dioxolanyl, isoindolinyl, morpholinyl, piperazinyl, pyrrolidinyl, tetrahydropyridinyl, piperidinyl, thiomorpholinyl, and the like.
  • the heterocycle groups may be optionally substituted unless specifically prohibited.
  • heterocycloalkylalkenyl refers to a heterocycle group attached to the parent molecular moiety through an alkenyl group.
  • heterocycloalkylalkoxy refers to a heterocycle group attached to the parent molecular group through an oxygen atom.
  • heterocycloalkylalkylidene refers to a heterocycle group attached to the parent molecular moiety through an alkylidene group.
  • hydrazinyl as used herein, alone or in combination, refers to two amino groups joined by a single bond, i.e., -N-N-.
  • hydroxy as used herein, alone or in combination, refers to —OH.
  • hydroxyalkyl refers to a hydroxy group attached to the parent molecular moiety through an alkyl group.
  • the phrase "in the main chain” refers to the longest contiguous or adjacent chain of carbon atoms starting at the point of attachment of a group to the compounds of this invention.
  • isocyanato refers to a -NCO group.
  • isothiocyanato refers to a -NCS group.
  • linear chain of atoms refers to the longest straight chain of atoms independently selected from carbon, nitrogen, oxygen and sulfur.
  • lower means containing from 1 to and including 6 carbon atoms.
  • mercaptoalkyl as used herein, alone or in combination, refers to an R' SR- group, where R and R' are as defined herein.
  • mercaptomercaptyl as used herein, alone or in combination, refers to a RSR' S- group, where R is as defined herein.
  • mercaptyl as used herein, alone or in combination, refers to an RS- group, where R is as defined herein.
  • nitro refers to -NO 2 .
  • perhaloalkoxy refers to an alkoxy group where all of the hydrogen atoms are replaced by halogen atoms.
  • perhaloalkyl refers to an alkyl group where all of the hydrogen atoms are replaced by halogen atoms.
  • sulfonate refers the -SO 3 H group and its anion as the sulfonic acid is used in salt formation.
  • sulfanyl as used herein, alone or in combination, refers to -S-.
  • sulfinyl as used herein, alone or in combination, refers to -S(O)-.
  • sulfonyl as used herein, alone or in combination, refers to -SO 2 -.
  • thia and thio as used herein, alone or in combination, refer to a -S- group or an ether wherein the oxygen is replaced with sulfur.
  • the oxidized derivatives of the thio group, namely sulfinyl and sulfonyl, are included in the definition of thia and thio.
  • thiol refers to an -SH group.
  • thiocarbonyl when alone includes thioformyl -C(S)H and in combination is a -C(S)- group.
  • N-thiocarbamyl refers to an ROC(S)NR'- group, with R and R' as defined herein.
  • O-thiocarbamyl refers to an -OC(S)NRR' group, with R and R' as defined herein.
  • thiocyanato refers to a -CNS group.
  • trihalomethanesulfonamido refers to a X 3 CS(O) 2 NR- group with X is a halogen and
  • trihalomethanesulfonyl refers to a X 3 CS(O) 2 - group where X is a halogen.
  • trihalomethoxy refers to a X 3 CO- group where X is a halogen.
  • trimethysilyl as used herein, alone or in combination, refers to a silicone group substituted at its three free valences with groups as listed herein under the definition of substituted amino. Examples include trimethysilyl, tert-butyldimethylsilyl, triphenylsilyl and the like.
  • the term "optionally substituted” means the anteceding group may be substituted or unsubstituted.
  • the substituents of an "optionally substituted” group may include, without limitation, one or more substituents independently selected from the following groups or a particular designated set of groups, alone or in combination: lower alkyl, lower alkenyl, lower alkynyl, lower heteroalkyl, lower heterocycloalkyl, lower haloalkyl, lower haloalkenyl, lower haloalkynyl, lower perhaloalkyl, lower perhaloalkoxy, lower cycloalkyl, phenyl, aryl, aryloxy, lower alkoxy, lower haloalkoxy, oxo, lower acyloxy, carbonyl, lower carboxyester, lower carboxamido, cyano, hydrogen, halogen, hydroxy, amino, lower alkylamino, arylamino, amido, nitro, thiol, lower
  • Two substituents may be joined together to form a fused five-, six-, or seven-menbered carbocyclic or heterocyclic ring consisting of zero to three heteroatoms, for example forming methylenedioxy or ethylenedioxy.
  • An optionally substituted group may be unsubstituted (e.g., - CH2CH 3 ), fully substituted (e.g., -CF 2 CF 3 ), monosubstituted (e.g., -CH 2 CH 2 F) or substituted at a level anywhere in-between fully substituted and monosubstituted (e.g., -CH 2 CF 3 ).
  • R or the term R' appearing by itself and without a number designation, unless otherwise defined, refers to a moiety selected from the group consisting of hydrogen, alkyl, cycloalkyl, heteroalkyl, aryl, heteroaryl and heterocycloalkyl. Such R and R' groups should be understood to be optionally substituted as defined herein.
  • Individual stereoisomers of compounds can be prepared synthetically from commercially available starting materials which contain chiral centers or by preparation of mixtures of enantiomeric products followed by separation such as conversion to a mixture of diastereomers followed by separation or recrystallization, chromatographic techniques, direct separation of enantiomers on chiral chromatographic columns, or any other appropriate method known in the art.
  • Starting compounds of particular stereochemistry are either commercially available or can be made and resolved by techniques known in the art.
  • the compounds of the present invention may exist as geometric isomers.
  • the present invention includes all cis, trans, syn, anti,
  • compounds may exist as tautomers; all tautomeric isomers are provided by this invention.
  • the compounds of the present invention can exist in unsolvated as well as solvated forms with pharmaceutically acceptable solvents such as water, ethanol, and the like. In general, the solvated forms are considered equivalent to the unsolvated forms for the purposes of the present invention.
  • bonds refers to a covalent linkage between two atoms, or two moieties when the atoms joined by the bond are considered to be part of larger substructure.
  • a bond may be single, double, or triple unless otherwise specified.
  • combination therapy means the administration of two or more therapeutic agents to treat a therapeutic condition or disorder described in the present disclosure. Such administration encompasses co-administration of these therapeutic agents in a substantially simultaneous manner, such as in a single capsule having a fixed ratio of active ingredients or in multiple, separate capsules for each active ingredient. In addition, such administration also encompasses use of each type of therapeutic agent in a sequential manner. In either case, the treatment regimen will provide beneficial effects of the drug combination in treating the conditions or disorders described herein.
  • KSP inhibitor is used herein to refer to a compound that exhibits an IC 50 with respect to KSP activity of no more than about 100 ⁇ M and more typically not more than about 50 ⁇ M, as measured in the KSP ATP depletion assay described generally hereinbelow.
  • IC 50 is that concentration of inhibitor which reduces the activity of an enzyme / (e.g., KSP) to half-maximal level. Representative compounds of the present invention have been discovered to exhibit inhibition against KSP.
  • Compounds of the present invention preferably exhibit an IC 50 with respect to KSP of no more than about 10 ⁇ M, more preferably, no more than about 5 ⁇ M, even more preferably not more than about 1 ⁇ M, and most preferably, not more than about 200 nM, as measured in the KSP ATP depletion as assay described herein.
  • the phrase "therapeutically effective” is intended to qualify the amount of active ingredients used in the treatment of a disease or disorder. This amount will achieve the goal of reducing or eliminating the said disease or disorder.
  • treatment of a patient is intended to include prophylaxis.
  • patient means all mammals including humans. Examples of patients include humans, cows, dogs, cats, goats, sheep, pigs, and rabbits. Preferably, the patient is a human.
  • prodrug refers to a compound that is made more active in vivo.
  • the present compounds can also exist as prodrugs, as described in Hydrolysis in Drug and Prodrug Metabolism : Chemisti ⁇ , Biochemistry, and Enzymology (Testa, Bernard and Mayer, Joachim M. Wiley- VHCA,
  • Prodrugs of the compounds described herein are structurally modified forms of the compound that readily undergo chemical changes under physiological conditions to provide the compound. Additionally, prodrugs can be converted to the compound by chemical or biochemical methods in an ex vivo environment. For example, prodrugs can be slowly converted to a compound when placed in a transdermal patch reservoir with a suitable enzyme or chemical reagent. Prodrugs are often useful because, in some situations, they may be easier to administer than the compound, or parent drug. They may, for instance, be bioavailable by oral administration whereas the parent drug is not. The prodrug may also have improved solubility in pharmaceutical compositions over the parent drug.
  • prodrug derivatives are known in the art, such as those that rely on hydrolytic cleavage or oxidative activation of the prodrug.
  • An example, without limitation, of a prodrug would be a compound which is administered as an ester (the "prodrug"), but then is metabolically hydrolyzed to the carboxylic acid, the active entity. Additional examples include peptidyl derivatives of a compound.
  • therapeutically acceptable prodrug refers to those prodrugs or zwitterions which are suitable for use in contact with the tissues of patients without undue toxicity, irritation, and allergic response, are commensurate with a reasonable benefit/risk ratio, and are effective for their intended use.
  • terapéuticaally acceptable salt represents salts or zwitterionic forms of the compounds of the present invention which are water or oil-soluble or dispersible; which are suitable for treatment of diseases without undue toxicity, irritation, and allergic-response; which are commensurate with a reasonable benefit/risk ratio; and which are effective for their intended use.
  • the salts can be prepared during the final isolation and purification of the compounds or separately by reacting the appropriate compound in the form of the free base with a suitable acid.
  • Representative acid addition salts include acetate, adipate, alginate, L-ascorbate, aspartate, benzoate, benzenesulfonate (besylate), bisulfate, butyrate, camphorate, camphorsulfonate, citrate, digluconate, formate, fumarate, gentisate, glutarate, glycerophosphate, glycolate, hemisulfate, heptanoate, hexanoate, hippurate, hydrochloride, hydrobromide, hydroiodide, 2-hydroxyethansulfonate (isethionate), lactate, maleate, malonate, DL-mandelate, mesitylenesulfonate, methanesulfonate, naphthylenesulfonate, nicotinate, 2- naphthalenesulfonate, oxalate, pamoate, pectinate, persulfate, 3-pheny
  • basic groups in the compounds of the present invention can be quatemized with methyl, ethyl, propyl, and butyl chlorides, bromides, and iodides; dimethyl, diethyl, dibutyl, and diamyl sulfates; decyl, lauryl, myristyl, and steryl chlorides, bromides, and iodides; and benzyl and phenethyl bromides.
  • acids which can be employed to form therapeutically acceptable addition salts include inorganic acids such as hydrochloric, hydrobromic, sulfuric, and phosphoric, and organic acids such as oxalic, maleic, succinic, and citric.
  • Salts can also be formed by coordination of the compounds with an alkali metal or alkaline earth ion.
  • the present invention contemplates sodium, potassium, magnesium, and calcium salts of the compounds of the compounds of the present invention and the like.
  • Basic addition salts can be prepared during the final isolation and purification of the compounds by reacting a carboxy group with a suitable base such as the hydroxide, carbonate, or bicarbonate of a metal cation or with ammonia or an organic primary, secondary, or tertiary amine.
  • the cations of therapeutically acceptable salts include lithium, sodium, potassium, calcium, magnesium, and aluminum, as well as nontoxic quaternary amine cations such as ammonium, tetramethylammonium, tetraethylammonium, methylamine, dimethyl amine, trimethylamine, triethylamine, diethylamine, ethylamine, tributylamine, pyridine, ⁇ /,yV-dimethylaniline, N-methylpiperidine, JV-methylmorpholine, dicyclohexylamine, procaine, dibenzylamine, ./V,yV-dibenzylphenethylamine, 1-ephenamine, and N 1 N 1 - dibenzyl ethyl enediamine.
  • nontoxic quaternary amine cations such as ammonium, tetramethylammonium, tetraethylammonium, methylamine, dimethyl amine, trimethylamine
  • the compounds of the present invention can exist as therapeutically acceptable salts.
  • the present invention includes compounds listed above in the form of salts, in particular acid addition salts. Suitable salts include those formed with both organic and inorganic acids. Such acid addition salts will normally be pharmaceutically acceptable. However, salts of non-pharmaceutically acceptable salts may be of utility in the preparation and purification of the compound in question. For a more complete discussion of the preparation and selection of salts, refer to Pharmaceutical Salts: Properties, Selection, and Use (Stahl, P. Heinrich. Wiley- VCHA, Zurich, Switzerland, 2002).
  • the subject invention provides a pharmaceutical formulation comprising a compound or a pharmaceutically acceptable salt, ester, prodrug or solvate thereof, together with one or more pharmaceutically acceptable carriers thereof and optionally one or more other therapeutic ingredients.
  • the carrier(s) must be "acceptable” in the sense of being compatible with the other ingredients of the formulation and not deleterious to the recipient thereof. Proper formulation is dependent upon the route of administration chosen. Any of the well-known techniques, carriers, and excipients may be used as suitable and as understood in the art; e.g., in Remington's Pharmaceutical Sciences.
  • compositions of the present invention may be manufactured in a manner that is itself known, e.g., by means of conventional mixing, dissolving, granulating, dragee-making, levigating, emulsifying, encapsulating, entrapping or compression processes.
  • the formulations include those suitable for oral, parenteral (including subcutaneous, intradermal, intramuscular, intravenous, intraarticular, and intramedullary), intraperitoneal, transmucosal, transdermal, rectal and topical (including dermal, buccal, sublingual and intraocular) administration although the most suitable route may depend upon for example the condition and disorder of the recipient.
  • the formulations may conveniently be presented in unit dosage form and may be prepared by any of the methods well known in the art of pharmacy. All methods include the step of bringing into association a compound of the subject invention or a pharmaceutically acceptable salt, ester, prodrug or solvate thereof ("active ingredient”) with the carrier which constitutes one or more accessory ingredients.
  • active ingredient a pharmaceutically acceptable salt, ester, prodrug or solvate thereof
  • the formulations are prepared by uniformly and intimately bringing into association the active ingredient with liquid carriers or finely divided solid carriers or both and then, if necessary, shaping the product into the desired formulation.
  • Formulations of the present invention suitable for oral administration may be presented as discrete units such as capsules, cachets or tablets each containing a predetermined amount of the active ingredient; as a powder or granules; as a solution or a suspension in an aqueous liquid or a non-aqueous liquid; or as an oil-in-water liquid emulsion or a water-in-oil liquid emulsion.
  • the active ingredient may also be presented as a bolus, electuary or paste.
  • compositions which can be used orally include tablets, push-fit capsules made of gelatin, as well as soft, sealed capsules made of gelatin and a plasticizer, such as glycerol or sorbitol. Tablets may be made by compression or molding, optionally with one or more accessory ingredients. Compressed tablets may be prepared by compressing in a suitable machine the active ingredient in a free-flowing form such as a powder or granules, optionally mixed with binders, inert diluents, or lubricating, surface active or dispersing agents. Molded tablets may be made by molding in a suitable machine a mixture of the powdered compound moistened with an inert liquid diluent.
  • the tablets may optionally be coated or scored and may be formulated so as to provide slow or controlled release of the active ingredient therein. All formulations for oral administration should be in dosages suitable for such administration.
  • the push-fit capsules can contain the active ingredients in admixture with filler such as lactose, binders such as starches, and/or lubricants such as talc or magnesium stearate and, optionally, stabilizers.
  • the active compounds may be dissolved or suspended in suitable liquids, such as fatty oils, liquid paraffin, or liquid polyethylene glycols.
  • stabilizers may be added.
  • Dragee cores are provided with suitable coatings.
  • concentrated sugar solutions may be used, which may optionally contain gum arabic, talc, polyvinyl pyrrolidone, carbopol gel, polyethylene glycol, and/or titanium dioxide, lacquer solutions, and suitable organic solvents or solvent mixtures.
  • Dyestuffs or pigments may be added to the tablets or dragee coatings for identification or to characterize different combinations of active compound doses.
  • the compounds may be formulated for parenteral administration by injection, e.g., by bolus injection or continuous infusion.
  • Formulations for injection may be presented in unit dosage form, e.g., in ampoules or in multi-dose containers, with an added preservative.
  • the compositions may take such forms as suspensions, solutions or emulsions in oily or aqueous vehicles, and may contain formulatory agents such as suspending, stabilizing and/or dispersing agents.
  • the formulations may be presented in unit-dose or multi-dose containers, for example sealed ampoules and vials, and may be stored in powder form or in a freeze-dried (lyophilized) condition requiring only the addition of the sterile liquid carrier, for example, saline or sterile pyrogen-free water, immediately prior to use.
  • sterile liquid carrier for example, saline or sterile pyrogen-free water
  • Extemporaneous injection solutions and suspensions may be prepared from sterile powders, granules and tablets of the kind previously described.
  • Formulations for parenteral administration include aqueous and non-aqueous (oily) sterile injection solutions of the active compounds which may contain antioxidants, buffers, bacteriostats and solutes which render the formulation isotonic with the blood of the intended recipient; and aqueous and non-aqueous sterile suspensions which may include suspending agents and thickening agents.
  • Suitable lipophilic solvents or vehicles include fatty oils such as sesame oil, or synthetic fatty acid esters, such as ethyl oleate or triglycerides, or liposomes.
  • Aqueous injection suspensions may contain substances which increase the viscosity of the suspension, such as sodium carboxymethyl cellulose, sorbitol, or dextran.
  • the suspension may also contain suitable stabilizers or agents which increase the solubility of the compounds to allow for the preparation of highly concentrated solutions.
  • the compounds may also be formulated as a depot preparation. Such long acting formulations may be administered by implantation (for example subcutaneously or intramuscularly) or by intramuscular injection.
  • the compounds may be formulated with suitable polymeric or hydrophobic materials (for example as an emulsion in an acceptable oil) or ion exchange resins, or as sparingly soluble derivatives, for example, as a sparingly soluble salt.
  • compositions may take the form of tablets, lozenges, pastilles, or gels formulated in conventional manner.
  • Such compositions may comprise the active ingredient in a flavored basis such as sucrose and acacia or tragacanth.
  • the compounds may also be formulated in rectal compositions such as suppositories or retention enemas, e.g., containing conventional suppository bases such as cocoa butter, polyethylene glycol, or other glycerides.
  • Compounds of the present invention may be administered topically, that is by non-systemic administration.
  • systemic administration refers to oral, intravenous, intraperitoneal and intramuscular administration.
  • Formulations suitable for topical administration include liquid or semi-liquid preparations suitable for penetration through the skin to the site of inflammation such as gels, liniments, lotions, creams, ointments or pastes, and drops suitable for administration to the eye, ear or nose.
  • the active ingredient may comprise, for topical administration, from 0.001% to 10% w/w, for instance from 1% to 2% by weight of the formulation. It may however comprise as much as 10% w/w but preferably will comprise less than 5% w/w, more preferably from 0.1% to 1% w/w of the formulation.
  • the compounds according to the invention are conveniently delivered from an insufflator, nebulizer pressurized packs or other convenient means of delivering an aerosol spray.
  • Pressurized packs may comprise a suitable propellant such as dichlorodifluoromethane, trichlorofiuoromethane, dichlorotetrafiuoroethane, carbon dioxide or other suitable gas.
  • the dosage unit may be determined by providing a valve to deliver a metered amount.
  • the compounds according to the invention may take the form of a dry powder composition, for example a powder mix of the compound and a suitable powder base such as lactose or starch.
  • the powder composition may be presented in unit dosage form, in for example, capsules, cartridges, gelatin or blister packs from which the powder may be administered with the aid of an inhalator or insufflator.
  • Preferred unit dosage formulations are those containing an effective dose, as herein below recited, or an appropriate fraction thereof, of the active ingredient.
  • formulations of this invention may include other agents conventional in the art having regard to the type of formulation in question, for example those suitable for oral administration may include flavoring agents.
  • the compounds of the invention may be administered orally or via injection at a dose of from 0.1 to 500 mg/kg per day.
  • the dose range for adult humans is generally from 5 mg to 2 g/day.
  • Tablets or other forms of presentation provided in discrete units may conveniently contain an amount of compound of the invention which is effective at such dosage or as a multiple of the same, for instance, units containing 5 mg to 500 mg, usually around 10 mg to 200 mg.
  • the amount of active ingredient that may be combined with the carrier materials to produce a single dosage form will vary depending upon the host treated and the particular mode of administration.
  • the compounds of the subject invention can be administered in various modes, e.g. orally, topically, or by injection.
  • the precise amount of compound administered to a patient will be the responsibility of the attendant physician.
  • the specific dose level for any particular patient will depend upon a variety of factors including the activity of the specific compound employed, the age, body weight, general health, sex, diets, time of administration, route of administration, rate of excretion, drug combination, the precise disorder being treated, and the severity of the indication or condition being treated.
  • the route of administration may vary depending on the condition and its severity.
  • the compounds described herein may be administered in combination with another therapeutic agent.
  • another therapeutic agent such as a pharmaceutically acceptable salt, ester, or prodrug thereof.
  • the therapeutic effectiveness of one of the compounds described herein may be enhanced by administration of an adjuvant (i.e., by itself the adjuvant may only have minimal therapeutic benefit, but in combination with another therapeutic agent, the overall therapeutic benefit to the patient is enhanced).
  • the benefit of experienced by a patient may be increased by administering one of the compounds described herein with another therapeutic agent (which also includes a therapeutic regimen) that also has therapeutic benefit.
  • another therapeutic agent which also includes a therapeutic regimen
  • increased therapeutic benefit may result by also providing the patient with another therapeutic agent for diabetes.
  • the overall benefit experienced by the patient may simply be additive of the two therapeutic agents or the patient may experience a synergistic benefit.
  • chemotherapeutic agents including, but not limited to, the group consisting of aromatase inhibitors, antiestrogen, anti-androgen, gonadorelin agonists, topoisomerase land 2 inhibitors, microtubule active agents, alkylating agents, antineoplastic antimetabolites, or platinum-containing compounds, lipid or protein kinase targeting agents, protein or lipid phosphatase targeting agents, anti-angiogenic agents, agents that induce cell differentiation, bradykinin 1 receptor and angiotensin II antagonists, cyclooxygenase inhibitors, heparanase inhibitors, lymphokines or cytokine inhibitors, bisphosphonates, rapamycin derivatives, anti-apoptotic pathway inhibitors, apoptotic pathway agonists, PPAR agonists, inhibitors of Ras isoforms
  • chemotherapeutic agents including, but not limited to, the group consisting of aromatase inhibitors, antiestrogen, anti-androgen
  • the chemotherapeutic agents include, but are not limited to the group consisting of the actinomycins (e.g. actinomycin C 2 , C 3 , D, and F 1 ), alkylating agents (e.g. cyclophosphamide, melphalan, estramustine), ansa macrolides (e.g. maytansinol, rifamycin, and streptovaricin), anthracycline derivatives (e.g.
  • actinomycins e.g. actinomycin C 2 , C 3 , D, and F 1
  • alkylating agents e.g. cyclophosphamide, melphalan, estramustine
  • ansa macrolides e.g. maytansinol, rifamycin, and streptovaricin
  • anthracycline derivatives e.g.
  • doxorubicin daunorubicin, epirubicin, idarubicin, detorubicin, carminomycin, idarubicin, epirubicin, esorubicin, and mitoxantrone
  • bleomycins e.g. bleomycin A, A 2 , and B
  • camptothecins e.g. Irinotecan ® , Topotecan ® , 9-aminocamptothecin, 10,11- methylenedioxycamptothecin, 9-nitrocamptothecin, and TASl 03
  • combretastatins e.g.
  • combretastatin combretastatin, combretastatin A-2, and combretastatin A-4
  • diynenes e. g. calicheamicins , neocarcinostatins
  • epothilones e.g. epothilone A B, C, and semi-synthetic variants
  • enzymes proteins and antibodies
  • proteins and antibodies e.g. Herceptin ® , Rituxan ® , asparaginase, interleukins, interferons, leuprolide, and pegaspargase
  • fluoropyrimidines e.g.
  • 5-fluorouracil 5-fluorouracil
  • 5-FU 5-fluorouracil
  • ptorafur fluorodeoxyuridine
  • 5'-deoxyfluorouridine UFT
  • S-I capecitabine hormones and hormonal analogues
  • hormones and hormonal analogues e.g. diethylstilbestrol, tamoxifen, toremefine, tolmudex, thymitaq, flutamide, fluoxymesterone, bicalutamide, finasteride, estradiol, trioxifene, dexamethasone, leuproelin acetate, estramustine, droloxifene, medroxyprogesterone, megesterol acetate, aminoglutethimide, testolactone, testosterone, diethylstilbestrol, and hydroxyprogesterone), the mitomycins (e.g.
  • mitomycins A, B and C porfiromycin
  • platinum analogues e.g. cisplatin, carboplatin, oxaliplatin, tetraplatin, platinum-DACH, ormaplatin, CI-973, and JM-216
  • podophyllotoxin and epipodophyllotoxins e.g. etoposide and teniposide
  • protein kinase inhibitors e.g. Tarceva ® , Iressa ® , Imatinib ® , Miltefosine ® and Perifosine ®
  • pteridines e.g.
  • purines e.g. 6-mercaptopurine, thioguanine, azattuoprine, allopur
  • the chemotherapeutic agents for the treatment of multiple myeloma include, but are not limited to, alkylating agents (e.g., melphalan), anthracyclines (e.g. doxorubicin, daunorubicin, epirubicin, idarubicin, and mitoxantrone), corticosteroids (e.g. dexamethasome), IMiDs (eg. thalidomide, lenalidomide), protease inhibitors (e.g. bortezomib, NPI0052), IGF-I inhibitors, CD40 antibodies, Smac mimetics (e.g.
  • alkylating agents e.g., melphalan
  • anthracyclines e.g. doxorubicin, daunorubicin, epirubicin, idarubicin, and mitoxantrone
  • corticosteroids e.g. dexamethasome
  • telomestatin FGF3 modulator
  • FGF3 modulator e.g. CHIR258
  • mTOR inhibitor Rad 001
  • HDAC inhibitors e.g. SAHA, Tubacin
  • IKK inhibitors e.g. P38MAPK inhibitors
  • HSP90 inhibitors e.g. 17- AAG
  • Akt inhibitors e.g. Perifosine
  • the preferred chemotherapeutic agents used in combination with the compounds of the present invention include without limitation melphalan, doxorubicin (including lyophilized), dexamethasone, prednisone, thalidomide, lenalidomide, bortezomib, and NPI0052.
  • the multiple chemotherapeutic agents may be administered in any order or even simultaneously. If simultaneously, the multiple chemotherapeutic agents may be provided in a single, unified form, or in multiple forms (by way of example only, either as a single pill or as two separate pills). One of the chemotherapeutic agents may be given in multiple doses, or both may be given as multiple doses. If not simultaneous, the timing between the multiple doses may be any duration of time ranging from a few minutes to four weeks.
  • the present invention provides methods for treating KSP-mediated disorders in a human or animal subject in need of such treatment comprising administering to said subject an amount of a compound of the present invention effective to reduce or prevent said disorder in the subject in combination with at least one additional agent for the treatment of said disorder that is known in the art.
  • the present invention provides therapeutic compositions comprising at least one compound of the present invention in combination with one or more additional agents for the treatment of KSP-mediated disorders.
  • the disease is a hyperproliferative condition of the human or animal body, including, but not limited to cancer, hyperplasias, restenosis, inflammation, immune disorders, cardiac hypertrophy, atherosclerosis, pain, migraine, angiogenesis-related conditions or disorders, proliferation induced after medical conditions, including but not limited to surgery, angioplasty, or other conditions.
  • said hyperproliferative condition is selected from the group consisting of hematologic and nonhematologic cancers.
  • said hematologic cancer is selected from the group consisting of multiple myeloma, leukemias, and lymphomas.
  • said leukemia is selected from the group consisting of acute and chronic leukemias.
  • said acute leukemia is selected from the group consisting of acute lymphocytic leukemia (ALL) and acute nonlymphocytic leukemia (ANLL).
  • said chronic leukemia is selected from the group consisting of chronic lymphocytic leukemia (CLL) and chronic myelogenous leukemia (CML).
  • said lymphoma is selected from the group consisting of Hodgkin's lymphoma and non-Hodgkin's lymphoma.
  • said hematologic cancer is multiple myeloma.
  • said hematologic cancer is of low, intermediate, or high grade.
  • said nonhematologic cancer is selected from the group consisting of: brain cancer, cancers of the head and neck, lung cancer, breast cancer, cancers of the reproductive system, cancers of the digestive system, pancreatic cancer, and cancers of the urinary system.
  • said cancer of the digestive system is a cancer of the upper digestive tract or colorectal cancer.
  • said cancer of the urinary system is bladder cancer or renal cell carcinoma.
  • said cancer of the reproductive system is prostate cancer. Additional types of cancers which may be treated using the compounds and methods described herein include: cancers of oral cavity and pharynx, cancers of the respiratory system, cancers of bones and joints, cancers of soft tissue, skin cancers, cancers of the genital system, cancers of the eye and orbit, cancers of the nervous system, cancers of the lymphatic system, and cancers of the endocrine system.
  • these cancer s may beselected from the group consisting of: cancer of the tongue, mouth, pharynx, or other oral cavity; esophageal cancer, stomach cancer, or cancer of the small intestine; colon cancer or rectal, anal, or anorectal cancer; cancer of the liver, intrahepatic bile duct, gallbladder, pancreas, or other biliary or digestive organs; laryngeal, bronchial, and other cancers of the respiratory organs; heart cancer, melanoma, basal cell carcinoma, squamous cell carcinoma, other non-epithelial skin cancer; uterine or cervical cancer; uterine corpus cancer; ovarian, vulvar, vaginal, or other female genital cancer; prostate, testicular, penile or other male genital cancer; urinary bladder cancer; cancer of the kidney; renal, pelvic, or urethral cancer or other cancer of the genito-urinary organs; thyroid cancer or other
  • cancers which may be treated using the compounds and methods described herein include: adenocarcinoma, angiosarcoma, astrocytoma, acoustic neuroma, anaplastic astrocytoma, basal cell carcinoma, blastoglioma, chondrosarcoma, choriocarcinoma, chordoma, craniopharyngioma, cutaneous melanoma, cystadenocarcinoma, endotheliosarcoma, embryonal carcinoma, ependymoma, Ewing's tumor, epithelial carcinoma, fibrosarcoma, gastric cancer, genitourinary tract cancers, glioblastoma multiforme, hemangioblastoma, hepatocellular carcinoma, hepatoma, Kaposi's sarcoma, large cell carcinoma, leiomyosarcoma, liposarcoma, lymphangiosarcoma, lymphangioend
  • the disease to be treated by the methods of the present invention may be a hematologic disorder.
  • said hematologic disorder is selected from the group consisting of sickle cell anemia, myelodysplastic disorders (MDS), and myeloproliferative disorders.
  • said myeloproliferative disorder is selected from the group consisting of polycythemia vera, myelofibrosis and essential thrombocythemia.
  • the disease to be treated by the methods of the present invention may be a neurological disorder.
  • said neurologic disorder is selected from the group consisting of Parkinson's disease, Alzheimer's disease, Alzheimer's dementia, and central nervous system damage resulting from stroke, ischemia and trauma.
  • said neurological disorder is selected from the group consisting of epilepsy, neuropathic pain, depression and bipolar disorders.
  • the disease to be treated by the methods of the present invention may be a cardiovascular condition.
  • said cardiovascular condition is selected from the group consisting of atherosclerosis, cardiac hypertrophy, idiopathic cardiomyopathies, heart failure, angiogenesis-related conditions or disorders, and proliferation induced after medical conditions, including, but not limited to restenosis resulting from surgery and angioplasty.
  • the disease to be treated by the methods of the present invention may be an autoimmune disease.
  • the autoimmune disease to be treated may be selected from the group consisting of: autoimmune disease that targets the nervous system, e.g., multiple sclerosis, myasthenia gravis, autoimmune neuropathies such as Guillain-Barre syndrome, autoimmune uveitis; autoimmune disease that targets the gastrointestinal system, e.g., Crohn's disease, ulcerative colitis, primary biliary cirrhosis; autoimmune hepatitis; autoimmune disease that targets the blood, e.g., autoimmune hemolytic anemia, pernicious anemia, autoimmune thrombocytopenia; autoimmune disease that targets endocrine glands, e.g., Type 1 or immune-mediated diabetes mellitus, Grave's disease, Hashimoto's thyroiditis, autoimmune oophoritis and orchitis, autoimmune disease of the adrenal gland; autoimmune disease that targets blood vessels, e.g., temporal arteritis, anti-phospholipid syndrome, vasculitides
  • the disease to be treated by the methods of the present invention may be a dermatologic disorder.
  • said dermatologic disorder is selected from the group consisting of fungal infections, psoriasis, melanoma, basal cell carcinoma, squamous cell carcinoma, and other non-epithelial skin cancers.
  • the disease to be treated by the methods of the present invention may be an ophthalmologic disorder.
  • the present invention provides methods and compositions for the treatment of ophthalmic diseases and other diseases in which angiogenesis plays a role in pathogenesis, such as glaucoma, retinal ganglion degeneration, occular ischemia, retinitis, retinopathies, uveitis, ocular photophobia, and of inflammation and pain associated with acute injury to the eye tissue.
  • said ophthalmologic disorder is selected from the group consisting of dry eye, closed angle glaucoma and wide angle glaucoma.
  • the disease to be treated by the methods of the present invention may be an inflammatory condition.
  • the inflammatory condition is selected from the group consisting of Rheumatoid Arthritis (RA), Inflammatory Bowel Disease (IBD), ulcerative colitis and psoriasis.
  • disease states characterized by tissue damage
  • the disease states include, but are not limited to, vascular diseases, migraine headaches, periarteritis nodosa, thyroiditis, aplastic anemia, Hodgkin's disease, sclerodoma, rheumatic fever, type I diabetes, neuromuscular junction disease including myasthenia gravis, white matter disease including multiple sclerosis, sarcoidosis, nephrotic syndrome, Behcet's syndrome, polymyositis, gingivitis, nephritis, hypersensitivity, swelling occurring after injury, myocardial ischemia, and the like.
  • compositions are provided for treating the fibrosis which occurs with radiation therapy.
  • compositions of the invention are used for treating subjects having adenomatous polyps, including those with familial adenomatous polyposis (FAP). Additionally, the present compounds and methods can be used to prevent polyps from forming in patients at risk of FAP.
  • FAP familial adenomatous polyposis
  • the present invention provides methods and compositions of the invention are used for treating a neurological or polyglutamine-repeat disorder including, but not limited to, Huntington's disease, Spinocerebellar ataxia 1 (SCA 1), Machado- Joseph disease (MJD)/Spinocerebella ataxia 3 (SCA 3), Kennedy disease/Spinal and bulbar muscular atrophy (SBMA) and Dentatorubral pallidolusyian atrophy (DRPLA).
  • a neurological or polyglutamine-repeat disorder including, but not limited to, Huntington's disease, Spinocerebellar ataxia 1 (SCA 1), Machado- Joseph disease (MJD)/Spinocerebella ataxia 3 (SCA 3), Kennedy disease/Spinal and bulbar muscular atrophy (SBMA) and Dentatorubral pallidolusyian atrophy (DRPLA).
  • the compounds and formulations of the present invention are also useful for veterinary treatment of companion animals, exotic animals and farm animals, including mammals, rodents, and the like. More preferred animals include horses, dogs, and cats.
  • amides are then subjected to metal catalyzed cross coupling reactions well known in the art using palladium sources such as tetrakistriphenylphosphine palladium, a base such as sodium carbonate, in solvents such as DME/water at elevated temperatures with various appropriately substituted boronic acids 1-4 to give the desired mitotic kinesin inhibitors 1-5.
  • palladium sources such as tetrakistriphenylphosphine palladium
  • a base such as sodium carbonate
  • solvents such as DME/water
  • solvents such as DME/water
  • boronic acids 1-4 solvents such as DME/water
  • Examples 1-19 can be synthesized using the following general synthetic procedure set forth in
  • N-(l-Benzyl-piperidin-4-yl)-5-bromo-nicotinamide 200 mg, 0.53 mmol
  • 4-t- butylbenzene boronic acid 142 mg, 0.8 mmol
  • tetrakistriphenylphosphine palladium 122 mg, 0.106 mmol
  • sodium carbonate 225 mg, 2.12 mmol
  • the compounds in examples 1-19 have been shown to be KSP inhibitors by using the following assays.
  • SMILES Simplified Molecular Input Line Entry System
  • SMILES is a modern chemical notation system, developed by David Weininger and Daylight Chemical Information Systems, Inc., that is built into all major commercial chemical structure drawing software packages. Software is not needed to interpret SMILES text strings, and an explanation of how to translate SMILES into structures can be found in Weininger, D., J. Chem, Inf. Comput. ScL 1988, 28, 31-36.
  • the activity of the compounds as KSP inhibitors can be illustrated in the following assay.
  • KSP is expressed in and purified from E. coli bacteria as recombinant C-terminal His6-tagged human KSP (amino acids 1-386, Genbank accession NM_004523) and stored in (2OmM PIPES buffer, pH 7.3, 20OmM NaCl, ImM MgCl 2 , 0.ImM TCEP [Tris(2-carboxyethyl)phosphine]). KSP stock is diluted in PME (25mM PIPES buffer, pH 7.0, 5mM MgCl 2 , O.lmM EDTA) containing 0.3mg/ml BSA and 0.005% Brij 35 (PME++). Taxol-stabilized microtubules are prepared as follows.
  • 2.5 ⁇ l KSP (1OnM) is dispensed into wells of a 1536 multi-well black solid plate.
  • the plate is centrifuged for 1 ' at -200 x g.
  • 60nl of IOOX concentration of test compound in DMSO is dispensed to the wells by passive pin transfer and incubated for 10 minutes at room temperature.
  • 2.5 ⁇ l of PME++ containing ImM taxol-stabilized microtubules and 6 ⁇ M ATP is then dispensed and the combined reaction is allowed to incubate at room temperature for 2 hours.
  • the assay plate is sealed between reagent additions and during the combined reaction incubation.
  • 2.5 ⁇ l of PKLight assay reagent (Cambrex, cat.
  • LT07-501 is dispensed. After a further 10 minute incubation at room temperature, luminescence is measured on a Molecular Devices Analyst multi-mode plate reader (or other suitable plate reader). An increase in luminescence signal correlates with an increase in final ATP concentration, which correlates with KSP inhibition.
  • Negative control activity is measured with DMSO lacking any test compound. Positive control activity is measured with 1 -[3-(2,5-Difluoro-phenyl)-5-(3- hydroxy-phenyl)-4,5-dihydro-pyrazol-l-yl]-ethanone (Cox, C. D. et al., Bioorg. Med. Chem. Lett., 15:2041-2045 (2005)). Efficacy is measured as a percentage of positive control activity. Results are shown below in Table 2.

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Abstract

L'invention porte sur des composés et des procédés d'inhibition de la kinésine mitotique (KSP) pour traiter ou prévenir les maladies à prolifération cellulaire.
PCT/US2006/027450 2005-07-15 2006-07-13 Inhibiteurs de la kinesine mitotique WO2007011760A2 (fr)

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