Triazole compounds useful as protein kinase inhibitors
This invention describes novel triazole compounds of formula IX: wherein Z 1 is nitrogen or CR 9 and Z 2 is nitrogen or CH, provided that at least one of Z 1 and Z 2 is nitrogen; G is Ring C or Ring D; 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 —R 1 ; Ring D is a 5-7 membered monocyclic ring or 8-10 membered bicyclic ring selected from aryl, heteroaryl, heterocyclyl or carbocyclyl; R x and R y are independently selected from T-R 3 , or R x and R y are taken together with their intervening atoms to form a fused ring; R 1 , R 3 , and T are as described in the specification. The compounds are useful as protein kinase inhibitors, especially as inhibitors of GSK-3 and Aurora, for treating diseases such as diabetes, cancer, and Alzheimer's disease.
1. A compound of formula IX:
or a pharmaceutically acceptable salt thereof, wherein:
Z 1 is nitrogen or CR 9 and Z 2 is nitrogen or CH, provided only one of Z 1 and Z 2 is nitrogen;
G is Ring C;
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 —R′, any substitutable non-ortho carbon position on Ring C is independently substituted by —R 5 , 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 —R 8 ;
R 1 is selected from -halo, —CN, —NO 2 , T-V—R 6 , phenyl, 5-6 membered heteroaryl ring, 5-6 membered heterocyclyl ring, or C 1-6 aliphatic group, said phenyl, heteroaryl, and heterocyclyl rings each optionally substituted by up to three groups independently selected from halo, oxo, or —R 8 , said C 1-6 aliphatic group optionally substituted with halo, cyano, nitro, or oxygen, or R 1 and an adjacent substituent taken together with their intervening atoms form said ring fused to Ring C;
R x and R y are taken together with their intervening atoms to form a benzo ring, wherein any substitutable carbon on said fused ring formed by R x and R y is substituted by oxo or T-R 3 , and any substitutable nitrogen on said ring formed by R x and R y is substituted by R 4 ;
T is a valence bond or a C 1-4 alkylidene chain;
R 2 is —R or -T-W—R 6 ;
each R is independently selected from hydrogen or an optionally substituted group selected from C 1-6 aliphatic, C 6-10 aryl, a heteroaryl ring having 5-10 ring atoms, or a heterocyclyl ring having 5-10 ring atoms;
each R 4 is independently selected from —R 7 , —COR 7 , —CO 2 (optionally substituted C 1-6 aliphatic), —CON(R 7 ) 2 , or —SO 2 R 7 , or two R 4 on the same nitrogen are taken together to form a 5-8 membered heterocyclyl or heteroaryl ring;
each R 5 is independently selected from —R, halo, —OR, —C(═O)R, —CO 2 R, —COCOR, —NO 2 , —CN, —S(O)R, —SO 2 R, —SR, —N(R 4 ) 2 , —CON(R 4 ) 2 , —SO 2 N(R 4 ) 2 , —OC(═O)R, —N(R 4 )COR, —N(R 4 )CO 2 (optionally substituted C 1-6 aliphatic), —N(R 4 )N(R 4 ) 2 , —C═NN(R 4 ) 2 , —C═N—OR, —N(R 4 )CON(R 4 ) 2 , —N(R 4 )SO 2 N(R 4 ) 2 , —N(R 4 )SO 2 R, or —OC(═O)N(R 4 ) 2 , or R 5 and an adjacent substituent taken together with their intervening atoms form said ring fused to Ring C;
V is —O—, —S—, —SO—, —SO 2 —, —N(R 6 )SO 2 —, —SO 2 N(R 6 )—, —N(R 6 )—, —CO—, —CO 2 —, —N(R 6 )CO—, —N(R 6 )C(O)O—, —N(R 6 )CON(R 6 )—, —N(R 6 )SO 2 N(R 6 )—, —N(R 6 )N(R 6 )—, —C(O)N(R 6 )—, —OC(O)N(R 6 )—, —C(R 6 ) 2 O—, —C(R 6 ) 2 S—, —C(R 6 ) 2 SO—, —C(R 6 ) 2 SO 2 —, —C(R 6 ) 2 SO 2 N(R 6 )—, —C(R 6 ) 2 N(R 6 )—, —C(R 6 ) 2 N(R 6 )C(O)—, —C(R 6 ) 2 N(R 6 )C(O)O—, —C(R 6 )═NN(R 6 )—, —C(R 6 )═N—O—, —C(R 6 ) 2 N(R 6 )N(R 6 )—, —C(R 6 ) 2 N(R 6 )SO 2 N(R 6 )—, or —C(R 6 ) 2 N(R 6 )CON(R 6 )—;
W is —C(R 6 ) 2 O—, —C(R 6 ) 2 S—, —C(R 6 ) 2 SO—, —C(R 6 ) 2 SO 2 —, —C(R 6 ) 2 SO 2 N(R 6 )—, —C(R 6 ) 2 N(R 6 )—, —CO—, —CO 2 —, —C(R 6 )OC(O)—, —C(R 6 )OC(O)N(R 6 )—, —C(R 6 ) 2 N(R 6 )CO—, —C(R 6 ) 2 N(R 6 )C(O)O—, —C(R 6 )═NN(R 6 )—, —C(R 6 )═N—O—, —C(R 6 ) 2 N(R 6 )N(R 6 )—, —C(R 6 ) 2 N(R 6 )SO 2 N(R 6 )—, —C(R 6 ) 2 N(R 6 )CON(R 6 )—, or —CON(R 6 )—;
each R 6 is independently selected from hydrogen, an optionally substituted C 1-4 aliphatic group, or two R 6 groups on the same nitrogen atom are taken together with the nitrogen atom to form a 5-6 membered heterocyclyl or heteroaryl ring;
each R 7 is independently selected from hydrogen or an optionally substituted C 1-6 aliphatic group, or two R 7 on the same nitrogen are taken together with the nitrogen to form a 5-8 membered heterocyclyl or heteroaryl ring;
each R 8 is independently selected from an optionally substituted C 1-4 aliphatic group, —OR 6 , —SR 6 , —COR 6 , —SO 2 R 6 , —N(R 6 ) 2 , —N(R 6 )N(R 6 ) 2 , —CN, —NO 2 , —CON(R 6 ) 2 , or —CO 2 R 6 ; and
R 9 is selected from —R, halo, —OR, —C(═O)R, —CO 2 R, —COCOR, —NO 2 , —CN, —S(O)R, —SO 2 R, —SR, —N(R 4 ) 2 , —CON(R 4 ) 2 , —SO 2 N(R 4 ) 2 , —OC(═O)R, —N(R 4 )COR, —N(R 4 )CO 2 (optionally substituted C 1-6 aliphatic), —N(R 4 )N(R 4 ) 2 , —C═NN(R 4 ) 2 , —C═N—OR, —N(R 4 )CON(R 4 ) 2 , —N(R 4 )SO 2 N(R 4 ) 2 , —N(R 4 )SO 2 R, or —OC(═O)N(R 4 ) 2 .
2. The compound according to claim 1 , wherein said compound is of formula XIII:
or a pharmaceutically acceptable salt thereof, wherein:
Z 1 is nitrogen, CR a , or CH, and Z 2 is nitrogen or CH; provided that one of Z 1 and Z 2 is nitrogen;
G is Ring C;
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 —R 1 , any substitutable non-ortho carbon position on Ring C is independently substituted by —R 5 , 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 —R 8 ;
R 1 is selected from -halo, —CN, —NO 2 , T-V—R 6 , phenyl, 5-6 membered heteroaryl ring, 5-6 membered heterocyclyl ring, or C 1-6 aliphatic group, said phenyl, heteroaryl, and heterocyclyl rings each optionally substituted by up to three groups independently selected from halo, oxo, or —R 8 , said C 1-6 aliphatic group optionally substituted with halo, cyano, nitro, or oxygen, or R 1 and an adjacent substituent taken together with their intervening atoms form said ring fused to Ring C;
R x and R y are taken together with their intervening atoms to form a benzo ring, wherein any substitutable carbon on said fused ring formed by R x and R y is substituted by oxo or T-R 3 , and any substitutable nitrogen on said ring formed by R x and R y is substituted by R 4 ;
T is a valence bond or a C 1-4 alkylidene chain;
R 2 is —R or -T-W—R 6 ;
each R is independently selected from hydrogen or an optionally substituted group selected from C 1-6 aliphatic, C 6-10 aryl, a heteroaryl ring having 5-10 ring atoms, or a heterocyclyl ring having 5-10 ring atoms;
each R 4 is independently selected from —R 7 , —COR′, —CO 2 (optionally substituted C 1-6 aliphatic), —CON(R 7 ) 2 , or —SO 2 R 7 , or two R 4 on the same nitrogen are taken together to form a 5-8 membered heterocyclyl or heteroaryl ring;
each R 5 is independently selected from —R, halo, —OR, —C(═O)R, —CO 2 R, —COCOR, —NO 2 , —CN, —S(O)R, —SO 2 R, —SR, —N(R 4 ) 2 , —CON(R 4 ) 2 , —SO 2 N(R 4 ) 2 , —OC(═O)R, —N(R 4 )COR, —N(R 4 )CO 2 (optionally substituted C 1-6 aliphatic), —N(R 4 )N(R 4 ) 2 , —C═NN(R 4 ) 2 , —C═N—OR, —N(R 4 )CON(R 4 ) 2 , —N(R 4 )SO 2 N(R 4 ) 2 , —N(R 4 )SO 2 R, or —OC(═O)N(R 4 ) 2 , or R 5 and an adjacent substituent taken together with their intervening atoms form said ring fused to Ring C;
V is —O—, —S—, —SO—, —SO 2 —, —N(R 6 )SO 2 —, —SO 2 N(R 6 )—, —N(R 6 )—, —CO—, —CO 2 —, —N(R 6 )CO—, —N(R 6 )C(O)O—, —N(R 6 )CON(R 6 )—, —N(R 6 )SO 2 N(R 6 )—, —N(R 6 )N(R 6 )—, —C(O)N(R 6 )—, —OC(O)N(R 6 )—, —C(R 6 ) 2 O—, —C(R 6 ) 2 S—, —C(R 6 ) 2 SO—, —C(R 6 ) 2 SO 2 —, —C(R 6 ) 2 SO 2 N(R 6 )—, —C(R 6 ) 2 N(R 6 )—, —C(R 6 ) 2 N(R 6 )C(O)—, —C(R 6 ) 2 N(R 6 )C(O)O—, —C(R 6 )═NN(R 6 )—, —C(R 6 )═N—O—, —C(R 6 ) 2 N(R 6 )N(R 6 )—, —C(R 6 ) 2 N(R 6 )SO 2 N(R 6 )—, or —C(R 6 ) 2 N(R 6 )CON(R 6 )—;
W is —C(R 6 ) 2 O—, —C(R 6 ) 2 S—, —C(R 6 ) 2 SO—, —C(R 6 ) 2 SO 2 —, —C(R 6 ) 2 SO 2 N(R 6 )—, —C(R 6 ) 2 N(R 6 )—, —CO—, —CO 2 —, —C(R 6 )OC(O)—, —C(R 6 )OC(O)N(R 6 )—, —C(R 6 ) 2 N(R 6 )CO—, —C(R 6 ) 2 N(R 6 )C(O)O—, —C(R 6 )═NN(R 6 )—, —C(R 6 )═N—O—, —C(R 6 ) 2 N(R 6 )N(R 6 )—, —C(R 6 ) 2 N(R 6 )SO 2 N(R 6 )—, —C(R 6 ) 2 N(R 6 )CON(R 6 )—, or —CON(R 6 )—;
each R 6 is independently selected from hydrogen, an optionally substituted C 1-4 aliphatic group, or two R 6 groups on the same nitrogen atom are taken together with the nitrogen atom to form a 5-6 membered heterocyclyl or heteroaryl ring;
each R 7 is independently selected from hydrogen or an optionally substituted C 1-6 aliphatic group, or two R 7 on the same nitrogen are taken together with the nitrogen to form a 5-8 membered heterocyclyl or heteroaryl ring;
each R 8 is independently selected from an optionally substituted C 1-4 aliphatic group, —OR 6 , —SR 6 , —COR 6 , —SO 2 R 6 , —N(R 6 ) 2 , —N(R 6 )N(R 6 ) 2 , —CN, —NO 2 , —CON(R 6 ) 2 , or —CO 2 R 6 ; and
R a is selected from halo, —OR, —C(═O)R, —CO 2 R, —COCOR, —NO 2 , —CN, —S(O)R, —SO 2 R, —SR, —N(R 4 ) 2 , —CON(R 4 ) 2 , —SO 2 N(R 4 ) 2 , —OC(═O)R, —N(R 4 )COR, —N(R 4 )CO 2 (optionally substituted C 1-6 aliphatic), —N(R 4 )N(R 4 ) 2 , —C═NN(R 4 ) 2 , —C═N—OR, —N(R 4 )CON(R 4 ) 2 , —N(R 4 )SO 2 N(R 4 ) 2 , —N(R 4 )SO 2 R, —OC(═O)N(R 4 ) 2 , or an optionally substituted group selected from C 1-6 aliphatic, C 6-10 aryl, a heteroaryl ring having 5-10 ring atoms, or a heterocyclyl ring having 5-10 ring atoms.
3. The compound according to claim 1 , wherein said compound has one or more features selected from the group consisting of:
(a) Ring C is a phenyl or pyridinyl ring, optionally substituted by —R 5 , wherein when Ring C and two adjacent substituents thereon form a bicyclic ring system, the bicyclic ring system is selected from a naphthyl, quinolinyl or isoquinolinyl ring, and R 1 is -halo, an optionally substituted C 1-6 aliphatic group, phenyl, —COR 6 , —OR 6 , —CN, —SO 2 R 6 , —SO 2 NH 2 , —N(R 6 ) 2 , —CO 2 R 6 , —CONH 2 , —NHCOR 6 , —OC(O)NH 2 , or —NHSO 2 R 6 ;
(b) R x and R y are taken together with their intervening atoms to form an optionally substituted benzo ring; and
(c) R 2 is hydrogen or a substituted or unsubstituted group selected from aryl, heteroaryl, or a C 1-6 aliphatic group.
4. The compound according to claim 3 , wherein:
(a) Ring C is a phenyl or pyridinyl ring, optionally substituted by —R 5 , wherein when Ring C and two adjacent substituents thereon form a bicyclic ring system, the bicyclic ring system is selected from a naphthyl, quinolinyl or isoquinolinyl ring, and R 1 is -halo, an optionally substituted C 1-6 aliphatic group, phenyl, —COR 6 , —OR 6 , —CN, —SO 2 R 6 , —SO 2 NH 2 , —N(R 6 ) 2 , —CO 2 R 6 , —CONH 2 , —NHCOR 6 , —OC(O)NH 2 , or —NHSO 2 R 6 ;
(b) R x and R y are taken together with their intervening atoms to form an optionally substituted benzo ring; and
(c) R 2 is hydrogen or a substituted or unsubstituted group selected from aryl, heteroaryl, or a C 1-6 aliphatic group.
5. The compound according to claim 3 , wherein said compound has one or more features selected from the group consisting of:
(a) Ring C is a phenyl or pyridinyl ring, optionally substituted by —R 5 , wherein when Ring C and two adjacent substituents thereon form a bicyclic ring system, the bicyclic ring system is a naphthyl ring, and R 1 is -halo, a C 1-6 haloaliphatic group, a C 1-6 aliphatic group, phenyl, or —CN; (b) R x and R y are taken together with their intervening atoms to form a benzo ring, wherein said ring formed by R x and R y is optionally substituted with —R, halo, —OR, —C(═O)R, —CO 2 R, —COCOR, —NO 2 , —CN, —S(O)R, —SO 2 R, —SR, —N(R 4 ) 2 , —CON(R 4 ) 2 , —SO 2 N(R 4 ) 2 , —OC(═O)R, —N(R 4 )COR, —N(R 4 )CO 2 (optionally substituted C 1-6 aliphatic), —N(R 4 )N(R 4 ) 2 , —C═NN(R 4 ) 2 , —C═N—OR, —N(R 4 )CON(R 4 ) 2 , —N(R 4 )SO 2 N(R 4 ) 2 , —N(R 4 )SO 2 R, or —OC(═O)N(R 4 ) 2 ;
(c) R 2 is hydrogen or a substituted or unsubstituted group selected from aryl, or a C 1-6 aliphatic group; and
(d) each R 5 is independently selected from -halo, —CN, —NO 2 , —N(R 4 ) 2 , optionally substituted C 1-6 aliphatic group, —OR, —C(O)R, —CO 2 R, —CONH(R 4 ), —N(R 4 )COR, —SO 2 N(R 4 ) 2 , or —N(R 4 )SO 2 R.
6. The compound according to claim 5 , wherein:
(a) Ring C is a phenyl or pyridinyl ring, optionally substituted by —R 5 , wherein when Ring C and two adjacent substituents thereon form a bicyclic ring system, the bicyclic ring system is a naphthyl ring, and R 1 is -halo, a C 1-6 haloaliphatic group, a C 1-6 aliphatic group, phenyl, or —CN; (b) R x and R y are taken together with their intervening atoms to form a benzo ring, wherein said ring formed by R x and R y is optionally substituted with —R, halo, —OR, —C(═O)R, —CO 2 R, —COCOR, —NO 2 , —CN, —S(O)R, —SO 2 R, —SR, —N(R 4 ) 2 , —CON(R 4 ) 2 , —SO 2 N(R 4 ) 2 , —OC(═O)R, —N(R 4 )COR, —N(R 4 )CO 2 (optionally substituted C 1-6 aliphatic), —N(R 4 )N(R 4 ) 2 , —C═NN(R 4 ) 2 , —C═N—OR, —N(R 4 )CON(R 4 ) 2 , —N(R 4 )SO 2 N(R 4 ) 2 , —N(R 4 )SO 2 R, or —OC(═O)N(R 4 ) 2 ;
(c) R 2 is hydrogen or a substituted or unsubstituted group selected from aryl, or a C 1-6 aliphatic group; and
(d) each R 5 is independently selected from -halo, —CN, —NO 2 , —N(R 4 ) 2 , optionally substituted C 1-6 aliphatic group, —OR, —C(O)R, —CO 2 R, —CONH(R 4 ), —N(R 4 )COR, —SO 2 N(R 4 ) 2 , or —N(R 4 )SO 2 R.
7. The compound according to claim 5 , wherein said compound has one or more features selected from the group consisting of:
(a) R x and R y are taken together with their intervening atoms to form a benzo ring wherein said ring formed by R x and R y is optionally substituted with halo, CN, oxo, C 1-6 alkyl, C 1-6 alkoxy, (C 1-6 alkyl)carbonyl, (C 1-6 alkyl)sulfonyl, mono- or dialkylamino, mono- or dialkylaminocarbonyl, mono- or dialkylaminocarbonyloxy, or 5-6 membered heteroaryl;
(b) Ring C is a phenyl or pyridinyl ring, optionally substituted by —R 5 , wherein when Ring C and two adjacent substituents thereon form a bicyclic ring system, the bicyclic ring system is a naphthyl ring, and R 1 is -halo, a C 1-4 aliphatic group optionally substituted with halogen, or —CN;
(c) R 2 is hydrogen or a C 1-6 aliphatic group; and
(d) each R 5 is independently selected from —Cl, —F, —CN, —CF 3 , —NH 2 , —NH(C 1-4 aliphatic), —N(C 1-4 aliphatic) 2 , —O(C 1-4 aliphatic), C 1-4 aliphatic, and —CO 2 (C 1-4 aliphatic).
8. The compound according to claim 7 , wherein:
(a) R x and R y are taken together with their intervening atoms to form a benzo ring wherein said ring formed by R x and R y is optionally substituted with halo, CN, oxo, C 1-6 alkyl, C 1-6 alkoxy, (C 1-6 alkyl)carbonyl, (C 1-6 alkyl)sulfonyl, mono- or dialkylamino, mono- or dialkylaminocarbonyl, mono- or dialkylaminocarbonyloxy, or 5-6 membered heteroaryl;
(b) Ring C is a phenyl or pyridinyl ring, optionally substituted by —R 5 , wherein when Ring C and two adjacent substituents thereon form a bicyclic ring system, the bicyclic ring system is a naphthyl ring, and R 1 is -halo, a C 1-4 aliphatic group optionally substituted with halogen, or —CN;
(c) R 2 is hydrogen or a C 1-6 aliphatic group; and
(d) each R 5 is independently selected from —Cl, —F, —CN, —CF 3 , —NH 2 , —NH(C 1-4 aliphatic), —N(C 1-4 aliphatic) 2 , —O(C 1-4 aliphatic), C 1-4 aliphatic, and —CO 2 (C 1-4 aliphatic).
9. The compound according to claim 1 , wherein said compound is selected from the following:
10. A pharmaceutical composition comprising a compound according to claim 1 and a pharmaceutically acceptable carrier.