US 2003/0078166 A1 · Pyrazole compounds useful as protein kinase inhibitors

Abstract

This invention describes novel pyrazole compounds of formula II: 1 wherein Ring C is selected from a phenyl, pyridinyl, pyrimidinyl, pyridazinyl, pyrazinyl, or 1,2,4-triazinyl ring, and R2, R2′, Rx, and Ry are as described in the specification. Ring C has an ortho substituent and is optionally substituted in the non-ortho positions. R2 and R2′ are optionally taken together with their intervening atoms to form a fused ring system, such as an indazole ring; and Rx and Ry are optionally taken together with their intervening atoms to form a fused ring system, such as a quinazoline ring. The compounds are useful as protein kinase inhibitors, especially as inhibitors of GSK-3, for treating diseases such as diabetes and Alzheimer's disease.

A compound of formula II:

884
or a pharmaceutically acceptable derivative or prodrug thereof, wherein;
Ring C is selected from a phenyl, pyridinyl, pyrimidinyl, pyridazinyl, pyrazinyl, or 1,2,4-triazinyl ring, wherein said Ring C has one or two ortho substituents independently selected from —R1, any substitutable non-ortho carbon position on Ring C is independently substituted by —R5, and two adjacent substituents on Ring C are optionally taken together with their intervening atoms to form a fused, unsaturated or partially unsaturated, 5-6 membered ring having 0-3 heteroatoms selected from oxygen, sulfur or nitrogen, said fused ring being optionally substituted by halo, oxo, or —R8;
R1 is selected from -halo, —CN, —NO2, T—V—R6, phenyl, 5-6 membered heteroaryl ring, 5-6 membered heterocyclyl ring, or C1-6 aliphatic group, said phenyl, heteroaryl, and heterocyclyl rings each optionally substituted by up to three groups independently selected from halo, oxo, or —R8, said C1-6 aliphatic group optionally substituted with halo, cyano, nitro, or oxygen, or R1 and an adjacent substituent taken together with their intervening atoms form said ring fused to Ring C;
Rx and Ry are independently selected from T—R3, or Rx and Ry are taken together with their intervening atoms to form a fused, unsaturated or partially unsaturated, 5-8 membered ring having 0-3 ring heteroatoms selected from oxygen, sulfur, or nitrogen, wherein any substitutable carbon on said fused ring formed by Rx and Ry is substituted by oxo or T—R3, and any substitutable nitrogen on said ring formed by Rx and Ry is substituted by R4,
T is a valence bond or a C1-4 alkylidene chain;
R2 and R2′ are independently selected from —R, —T—W—R6, or R2 and R2′ are taken together with their intervening atoms to form a fused, 5-8 membered, unsaturated or partially unsaturated, ring having 0-3 ring heteroatoms selected from nitrogen, oxygen, or sulfur, wherein each substitutable carbon on said fused ring formed by R2 and R2′ is substituted by halo, oxo, —CN, —NO2, —R7, or —V—R6, and any substitutable nitrogen on said ring formed by R2 and R2′ is substituted by R4;
R3 is selected from —R, -halo, —OR, —C(═O)R, —CO2R, —COCOR, —COCH2COR, —NO2, —CN, —S(O)R, —S(O)2R, —SR, —N(R4)2, —CON(R7)2, —SO2N(R7)2, —OC(═O)R, —N(R7)COR, —N (R7)CO2(C1-6 aliphatic), —N(R4)N(R4)2, —C═NN(R4)2, —C═N—OR, —N(R7)CON(R7)2, —N (R7)SO2N(R7)2, —N(R4)SO2R, or —OC(═O)N(R7)2;
each R is independently selected from hydrogen or an optionally substituted group selected from C1-6 aliphatic, C6-10 aryl, a heteroaryl ring having 5-10 ring atoms, or a heterocyclyl ring having 5-10 ring atoms;
each R4 is independently selected from —R7, —COR7, —CO2 (optionally substituted C1-6 aliphatic), —CON(R7)2, or —SO2R7, or two R4 on the same nitrogen are taken together to form a 5-8 membered heterocyclyl or heteroaryl ring;
each R5 is independently selected from —R, halo, —OR, —C((═O)R, —CO2R, —COCOR, —NO2, —CN, —S(O)R, —SO2R, —SR, —N(R4)2, —CON(R4)2, —SO2N(R4)2, —OC(═O)R, —N(R4)COR, —N(R4)CO2 (optionally substituted C1-6 aliphatic), —N(R4)N(R4)2, —C═NN(R4)2, —C═N—OR, —N(R4)CON(R4)2, —N(R4)SO2N(R4)2, —N(R4)SO2R, or —OC(═O)N(R4)2, or R5 and an adjacent substituent taken together with their intervening atoms form said ring fused to Ring C;
V is —O—, —S—, —SO—, —SO2—, —N(R6)SO2—, —SO2N(R6)—, —N(R6)—, —CO—, —CO2—, —N(R6)CO—, —N(R6)C(O)O—, —N (R6)CON(R6)—, —N(R6)SO2N(R6)—, —N(R6)N(R6)—, —C(O)N(R6)—, —OC(O)N(R6)—, —C(R6)2O—, —C(R6)2S—, —C(R6)2SO—, —C(R6)2SO2—, —C(R6)2N(R6)—, —C(R6)2N(6)C(O)—, —C(R6)2N(R6)C(O)O—, —C(R6)═NN(R6)—, —C(R6)═N—O—, —C(R6)2N(R6)N(R6)—, —C(R6)2N(R6)SO2N(R6)—, or —C(R6)2N(R6)CON(R6)—;
W is —C(R6)2O—, —C(R6)2S—, —C(R6)2SO—, —C(R6)2SO2—, —C(R6)2SO2N(R6)—, —C(R6)2N(R6)—, —CO—, —CO2—, —C(R6)OC(O)—, —C(R6)OC(O)N(R6)—, —C(R6)2N(R6)CO—, —C(R6)2N(R6)C(O)O—, —C(R6)═NN(R6)—, —C(R6)═N—O—, —C(R6)2N(R6)N(R6)—, —C(R6)2N(R6)SO2N(R6)—, —C(R6)2N(R6)CON(R6)—, or —CON(R6);
each R6 is independently selected from hydrogen or an optionally substituted C1-4 aliphatic group, or two R6 groups on the same nitrogen atom are taken together with the nitrogen atom to form a 5-6 membered heterocyclyl or heteroaryl ring;
each R7 is independently selected from hydrogen or an optionally substituted C1-6 aliphatic group, or two R7 on the same nitrogen are taken together with the nitrogen to form a 5-8 membered heterocyclyl or heteroaryl ring;
and
each R8 is independently selected from an optionally substituted C1-4 aliphatic group, —OR6, —SR6, —COR6, —SO2R6, —N(R6)2, —N(R6)N(R6)2, —CN, —NO2, —CON(R6)2, or —CO2R6.

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Pyrazole compounds useful as protein kinase inhibitors

Life of this patent

Pyrazole compounds useful as protein kinase inhibitors

Life of this patent

Abstract

Claims34