TGFβR antagonists
The invention relates generally to compounds that modulate the activity of TGFβR-1 and TGFβR-2, pharmaceutical compositions containing said compounds and methods of treating proliferative disorders and disorders of dysregulated apoptosis, such as cancer, utilizing the compounds of the invention.
1. The compound of the formula
wherein:
R is
or a heterocyclic or heterobicyclic group substituted with 0-4 R 2 ;
X 1 , X 2 , X 3 and X 4 are independently —CH— or —N—, wherein at least one is —N—;
R 1 is hydrogen, (C 1 -C 6 )alkyl, (C 3 -C 8 )cycloalkyl, —CONHR 9 , —COOR 9 , —COR 9 or —SO 2 R 9 , any of which except the hydrogen is substituted with 0-3 R x ;
R x is hydrogen, halogen, —OH, halo(C 1 -C 3 )alkyl, hydroxy(C 1 -C 3 )alkyl, -amino(C 1 -C 3 )alkyl, or —CN;
R 2 is independently one or more hydrogen, —CD 3 , OCD 3 , halogen, —CF 3 , —CHF 2 , —CN, (C 1 -C 6 )alkyl, (C 1 -C 6 )alkoxy or —SO 2 (C 1 -C 6 )alkyl;
R 3 is independently one or more hydrogen, CD 3 , OCD 3 , halogen, —CN, (C 1 -C 6 )alkyl, (C 2 -C 6 )alkenyl, (C 1 -C 6 )alkoxy, (C 3 -C 8 )cycloalkyl, hydroxy(C 1 -C 3 )alkyl, (C 1 -C 6 )alkylamino-, (C 1 -C 6 )alkylamino(C 1 -C 6 )alkyl, 5-6 membered heteroaryl, heterocyclyl, O-heterocyclyl, —NR 5 R 6 , —CONR 5 R 6 , —COOR 4 , —COR 4 , —SO 2 R 4 , —CHCF 2 COOCH 2 OH or —CHCF 2 CONH 2 , any of which except the hydrogen is substituted with 0-4 R y ;
R y is hydrogen, halogen, —OH, (C 1 -C 3 )alkyl, halo(C 1 -C 3 )alkyl, hydroxy(C 1 -C 3 )alkyl, -amino(C 1 -C 3 )alkyl, —NHCOOH, or —CN;
R 4 is hydrogen or (C 1 -C 6 )alkyl;
R 5 and R 6 are independently hydrogen, —C(O)alkyl or (C 1 -C 6 )alkyl; or
R 5 and R 6 can be taken together with the nitrogen atom to which they are attached to form a 5-7 membered heterocyclo ring;
R 7 is independently one or more hydrogen, halogen, halo(C 1 -C 6 )alkyl or —CN;
R 8 is hydrogen, (C 1 -C 6 )alkyl, (C 3 -C 8 )cycloalkyl, —CONHR 9 , —COOR 9 , —COR 9 or —SO 2 R 9 ;
R 9 is hydrogen, (C 1 -C 6 )alkyl, (C 3 -C 8 )cycloalkyl, heterocyclylalkyl-, heterocyclyl(C 1 -C 3 )alkylamino(C 1 -C 3 )alkyl- or (C 1 -C 3 )alkylamino(C 1 -C 3 )alkyl;
m is 0, 1, 2, 3, or 4;
n is 0, 1, 2 or 3;
and/or a pharmaceutically acceptable salt, tautomer or stereoisomer thereof.
2. A compound according to claim 1 of formula (II)
wherein:
X 1 , X 2 , X 3 and X 4 are independently —CH— or —N—, wherein at least one is —N—;
R 1 is hydrogen, (C 1 -C 6 )alkyl, (C 3 -C 8 )cycloalkyl, —CONHR 9 , —COOR 9 , —COR 9 or —SO 2 R 9 , any of which except the hydrogen is substituted with 0-3 R x ;
R x is hydrogen, halogen, —OH, halo(C 1 -C 3 )alkyl, hydroxy(C 1 -C 3 )alkyl, -amino(C 1 -C 3 )alkyl, or —CN;
R 2 is independently one or more hydrogen, —CD 3 , OCD 3 , halogen, —CF 3 , —CHF 2 , —CN, (C 1 -C 6 )alkyl, (C 1 -C 6 )alkoxy or —SO 2 (C 1 -C 6 )alkyl;
R 3 is independently one or more hydrogen, CD 3 , OCD 3 , halogen, —CN, (C 1 -C 6 )alkyl, (C 2 -C 6 )alkenyl, (C 1 -C 6 )alkoxy, (C 3 -C 8 )cycloalkyl, hydroxy(C 1 -C 3 )alkyl, (C 1 -C 6 )alkylamino-, (C 1 -C 6 )alkylamino(C 1 -C 6 )alkyl, 5-6 membered heteroaryl, heterocyclyl, O-heterocyclyl, —NR 5 R 6 , —CONR 5 R 6 , —COOR 4 , —COR 4 , —SO 2 R 4 , —CHCF 2 COOCH 2 OH or —CHCF 2 CONH 2 , any of which except the hydrogen is substituted with 0-4 R y ;
R y is hydrogen, halogen, —OH, (C 1 -C 3 )alkyl, halo(C 1 -C 3 )alkyl, hydroxy(C 1 -C 3 )alkyl, -amino(C 1 -C 3 )alkyl, —NHCOOH, or —CN;
R 4 is hydrogen or (C 1 -C 6 )alkyl;
R 5 and R 6 are independently hydrogen, —C(O)alkyl or (C 1 -C 6 )alkyl; or
R 5 and R 6 can be taken together with the nitrogen atom to which they are attached to form a 5-7 membered heterocyclo ring;
R 7 is independently one or more hydrogen, halogen, halo(C 1 -C 6 )alkyl or —CN;
R 8 is hydrogen, (C 1 -C 6 )alkyl, (C 3 -C 8 )cycloalkyl, —CONHR 9 , —COOR 9 , —COR 9 or —SO 2 R 9 ;
R 9 is hydrogen, (C 1 -C 6 )alkyl, (C 3 -C 8 )cycloalkyl, heterocyclylalkyl-, heterocyclyl(C 1 -C 3 )alkylamino(C 1 -C 3 )alkyl- or (C 1 -C 3 )alkylamino(C 1 -C 3 )alkyl;
m is 0, 1, 2, 3, or 4;
n is 0, 1, 2 or 3;
and/or a pharmaceutically acceptable salt, tautomer or stereoisomer thereof.
3. A compound according to claim 2 of the formula
wherein:
X 1 , X 2 , X 3 and X 4 are independently —CH— or —N—, wherein at least one is —N—;
R 1 is hydrogen, (C 1 -C 6 )alkyl, (C 3 -C 8 )cycloalkyl, —CONHR 9 , —COOR 9 , —COR 9 or —SO 2 R 9 , any of which except the hydrogen is substituted with 0-3 R x ;
R x is hydrogen, halogen, —OH, halo(C 1 -C 3 )alkyl, hydroxy(C 1 -C 3 )alkyl, -amino(C 1 -C 3 )alkyl, or —CN;
R 2 is independently one or more hydrogen, —CD 3 , OCD 3 , halogen, —CF 3 , —CHF 2 , —CN, (C 1 -C 3 )alkyl, (C 1 -C 3 )alkoxy or —SO 2 (C 1 -C 3 )alkyl;
R 3 is independently one or more hydrogen, CD 3 , OCD 3 , halogen, —CN, (C 1 -C 3 )alkyl, (C 2 -C 6 )alkenyl, (C 1 -C 3 )alkoxy, (C 3 -C 8 )cycloalkyl, hydroxy(C 1 -C 3 )alkyl, (C 1 -C 3 )alkylamino-, (C 1 -C 3 )alkylamino(C 1 -C 3 )alkyl, 5-6 membered heteroaryl, heterocyclyl, O-heterocyclyl, —NR 5 R 6 , —CONR 5 R 6 , —COOR 4 , —COR 4 , —SO 2 R 4 , —CHCF 2 COOCH 2 OH or —CHCF 2 CONH 2 , any Of which except the hydrogen is substituted with 0-4 R y ;
R y is hydrogen, halogen, —OH, (C 1 -C 3 )alkyl, halo(C 1 -C 3 )alkyl, hydroxy(C 1 -C 3 )alkyl, -amino(C 1 -C 3 )alkyl, —NHCOOH, or —CN;
R 4 is hydrogen or (C 1 -C 6 )alkyl;
R 5 and R 6 are independently hydrogen, —C(O)alkyl or (C 1 -C 6 )alkyl; or
R 5 and R 6 can be taken together with the nitrogen atom to which they are attached to form a 5-7 membered heterocyclo ring;
R 7 is independently one or more hydrogen, halogen, halo(C 1 -C 6 )alkyl or —CN;
R 8 is hydrogen, (C 1 -C 6 )alkyl, (C 3 -C 5 )cycloalkyl, —CONHR 9 , —COOR 9 , —COR 9 or —SO 2 R 9 ;
R 9 is hydrogen, (C 1 -C 6 )alkyl, (C 3 -C 8 )cycloalkyl, heterocyclylalkyl-, heterocyclyl(C 1 -C 3 )alkylamino(C 1 -C 3 )alkyl- or (C 1 -C 3 )alkylamino(C 1 -C 3 )alkyl;
m is 0, 1, 2, 3, or 4;
n is 0, 1, 2 or 3;
and/or a pharmaceutically acceptable salt, tautomer or stereoisomer thereof.
4. A compound according to claim 3 of the formula
wherein:
X 1 and X 2 are independently —CH or —N—, wherein at least one is —N—;
R 1 is hydrogen, (C 1 -C 3 )alkyl, (C 3 -C 8 )cycloalkyl, —CONHR 9 , —COOR 9 , —COR 9 or —SO 2 R 9 , any of which except the hydrogen is substituted with 0-3 R x ;
R x is hydrogen, halogen, —OH, halo(C 1 -C 3 )alkyl, hydroxy(C 1 -C 3 )alkyl, -amino(C 1 -C 3 )alkyl, or —CN;
R 2 is independently one or more hydrogen, —CD 3 , OCD 3 , halogen, —CF 3 , —CHF 2 , —CN, (C 1 -C 3 )alkyl, (C 1 -C 3 )alkoxy or —SO 2 (C 1 -C 3 )alkyl;
R 3 is independently one or more hydrogen, CD 3 , OCD 3 , halogen, —CN, (C 1 -C 3 )alkyl, (C 2 -C 6 )alkenyl, (C 1 -C 3 )alkoxy, (C 3 -C 8 )cycloalkyl, hydroxy(C 1 -C 3 )alkyl, (C 1 -C 3 )alkylamino-, (C 1 -C 3 )alkylamino(C 1 -C 3 )alkyl, 5-6 membered heteroaryl, heterocyclyl, O-heterocyclyl, —NR 5 R 6 , —CONR 5 R 6 , —COOR 4 , —COR 4 , —SO 2 R 4 , —CHCF 2 COOCH 2 OH or —CHCF 2 CONH 2 , any of which except the hydrogen is substituted with 0-4 R y ;
R y is hydrogen, halogen, —OH, (C 1 -C 3 )alkyl, halo(C 1 -C 3 )alkyl, hydroxy(C 1 -C 3 )alkyl, -amino(C 1 -C 3 )alkyl, —NHCOOH, or —CN;
R 4 is hydrogen or (C 1 -C 3 )alkyl;
R 5 and R 6 are independently hydrogen, —C(O)alkyl or (C 1 -C 3 )alkyl; or
R 5 and R 6 can be taken together with the nitrogen atom to which they are attached to form a 5-7 membered heterocyclo ring;
R 7 is independently one or more hydrogen, halogen, halo(C 1 -C 3 )alkyl or —CN;
R 8 is hydrogen, (C 1 -C 3 )alkyl, (C 3 -C 6 )cycloalkyl, —CONHR 9 , —COOR 9 , —COR 9 or —SO 2 R 9 ;
R 9 is hydrogen, (C 1 -C 3 )alkyl, (C 3 -C 6 )cycloalkyl, heterocyclylalkyl-, heterocyclyl(C 1 -C 3 )alkylamino(C 1 -C 3 )alkyl- or (C 1 -C 3 )alkylamino(C 1 -C 3 )alkyl;
m is 0, 1, 2, 3, or 4;
and/or a pharmaceutically acceptable salt, tautomer or stereoisomer thereof.
5. A compound according to claim 4 of the formula
wherein:
X 1 and X 2 are independently —CH or —N—, wherein at least one is —N—;
R 1 is hydrogen, (C 1 -C 3 )alkyl, (C 4 -C 6 )cycloalkyl, —CONHR 9 , —COOR 9 , —COR 9 or —SO 2 R 9 , any of which except the hydrogen is substituted with 0-3 R x ;
R x is hydrogen, halogen, —OH, halo(C 1 -C 3 )alkyl, hydroxy(C 1 -C 3 )alkyl, -amino(C 1 -C 3 )alkyl, or —CN;
R 2 is independently one or more hydrogen, —CD 3 , OCD 3 , halogen, —CF 3 , —CHF 2 , —CN, (C 1 -C 3 )alkyl, (C 1 -C 3 )alkoxy or —SO 2 (C 1 -C 3 )alkyl;
R 3 is independently one or more hydrogen, CD 3 , OCD 3 , halogen, —CN, (C 1 -C 3 )alkyl, (C 2 -C 6 )alkenyl, (C 1 -C 3 )alkoxy, (C 3 -C 8 )cycloalkyl, hydroxy(C 1 -C 3 )alkyl, (C 1 -C 3 )alkylamino-, (C 1 -C 3 )alkylamino(C 1 -C 3 )alkyl, 5-6 membered heteroaryl, heterocyclyl, O-heterocyclyl, —NR 5 R 6 , —CONR 5 R 6 , —COOR 4 , —COR 4 , —SO 2 R 4 , —CHCF 2 COOCH 2 OH or —CHCF 2 CONH 2 , any of which except the hydrogen is substituted with 0-4 R y ;
R y is hydrogen, halogen, —OH, (C 1 -C 3 )alkyl, halo(C 1 -C 3 )alkyl, hydroxy(C 1 -C 3 )alkyl, -amino(C 1 -C 3 )alkyl, —NHCOOH, or —CN;
R 4 is hydrogen or methyl;
R 5 and R 6 are independently hydrogen, —C(O)alkyl or (C 1 -C 3 )alkyl; or
R 5 and R 6 can be taken together with the nitrogen atom to which they are attached to form a 5-7 membered heterocyclo ring;
R 7 is independently one or more hydrogen, halogen, halo(C 1 -C 3 )alkyl or —CN;
R 8 is hydrogen, (C 1 -C 3 )alkyl, or —COR 9 ;
R 9 is hydrogen, (C 1 -C 3 )alkyl, (C 3 -C 6 )cycloalkyl, heterocyclylalkyl-, heterocyclyl(C 1 -C 3 )alkylamino(C 1 -C 3 )alkyl- or (C 1 -C 3 )alkylamino(C 1 -C 3 )alkyl;
m is 0, 1 or 2;
and/or a pharmaceutically acceptable salt, tautomer or stereoisomer thereof.
6. A compound according to claim 1 wherein:
R is thiazole, thiadiazole, thiophene, pyrazole, isoquinoline, indole or quinoline substituted with 0-4 R 2 ;
R 1 is hydrogen, (C 1 -C 3 )alkyl, (C 3 -C 6 )cycloalkyl, —CONHR 9 , —COOR 9 , —COR 9 or —SO 2 R 9 , any of which except the hydrogen is substituted with 0-3 R x ;
R x is hydrogen, halogen, —OH, halo(C 1 -C 3 )alkyl, hydroxy(C 1 -C 3 )alkyl, -amino(C 1 -C 3 )alkyl, or —CN;
R 2 is independently one or more hydrogen, —CD 3 , OCD 3 , halogen, —CF 3 , —CHF 2 , —CN, (C 1 -C 6 )alkyl, (C 1 -C 6 )alkoxy or —SO 2 (C 1 -C 6 )alkyl;
R 3 is independently one or more hydrogen, CD 3 , OCD 3 , halogen, —CN, (C 1 -C 3 )alkyl, (C 2 -C 6 )alkenyl, (C 1 -C 3 )alkoxy, (C 3 -C 8 )cycloalkyl, hydroxy(C 1 -C 3 )alkyl, (C 1 -C 3 )alkylamino-, (C 1 -C 3 )alkylamino(C 1 -C 3 )alkyl, 5-6 membered heteroaryl, heterocyclyl, O-heterocyclyl, —NR 5 R 6 , —CONR 5 R 6 , —COOR 4 , —COR 4 , —SO 2 R 4 , —CHCF 2 COOCH 2 OH or —CHCF 2 CONH 2 , any of which except the hydrogen is substituted with 0-4 R y ;
R y is hydrogen, halogen, —OH, (C 1 -C 3 )alkyl, halo(C 1 -C 3 )alkyl, hydroxy(C 1 -C 3 )alkyl, -amino(C 1 -C 3 )alkyl, —NHCOOH, or —CN;
R 4 is hydrogen or methyl;
R 5 and R 6 are independently hydrogen, —C(O)alkyl or (C 1 -C 3 )alkyl;
R 7 is independently one or more hydrogen, halogen, halo(C 1 -C 3 )alkyl or —CN;
R 8 is hydrogen, (C 1 -C 3 )alkyl, (C 3 -C 6 )cycloalkyl, —CONHR 9 , —COOR 9 , —COR 9 or —SO 2 R 9 ;
R 9 is hydrogen, (C 1 -C 3 )alkyl, (C 3 -C 6 )cycloalkyl, heterocyclylalkyl-, heterocyclyl(C 1 -C 3 )alkylamino(C 1 -C 3 )alkyl- or (C 1 -C 3 )alkylamino(C 1 -C 3 )alkyl;
n is 0, 1, 2 or 3;
and/or a pharmaceutically acceptable salt, tautomer or stereoisomer thereof.
7. A compound according to claim 6 wherein:
R is thiazole, pyrazole, isoquinoline, indole or quinoline substituted with 0-4 R 2 ;
R 1 is —COR 9 substituted with 0-2 R x ;
R x is hydrogen, halogen, —OH, halo(C 1 -C 3 )alkyl, hydroxy(C 1 -C 3 )alkyl, -amino(C 1 -C 3 )alkyl, or —CN;
R 2 is independently one or more hydrogen, —CD 3 , OCD 3 , halogen, —CF 3 , —CHF 2 , —CN, (C 1 -C 3 )alkyl, (C 1 -C 3 )alkoxy or —SO 2 (C 1 -C 3 )alkyl;
R 3 is independently one or more hydrogen, halogen, —CN, (C 1 -C 3 )alkyl, (C 1 -C 3 )alkoxy, (C 3 -C 6 )cycloalkyl, 5-6 membered heteroaryl, heterocyclo, —NR 5 R 6 , —CONR 5 R 6 , —COOR 4 , —SO 2 R 4 or (C 1 -C 3 )alkylamino substituted with 0-2 R y ;
R y is hydrogen, halogen, —OH, (C 1 -C 3 )alkyl, halo(C 1 -C 3 )alkyl, hydroxy(C 1 -C 3 )alkyl, -amino(C 1 -C 3 )alkyl, —NHCOOH, or —CN;
R 4 is hydrogen or methyl;
R 5 and R 6 are independently hydrogen, —C(O)alkyl or (C 1 -C 3 )alkyl;
R 7 is independently one or more hydrogen, halogen, halo(C 1 -C 3 )alkyl or —CN;
R 8 is hydrogen;
R 9 is hydrogen, (C 1 -C 3 )alkyl or (C 3 -C 6 )cycloalkyl;
n is 0, 1 or 2;
and/or a pharmaceutically acceptable salt, tautomer or stereoisomer thereof.
8. A compound according to claim 7 wherein:
R is thiazole, isoquinoline, indole or quinoline substituted with 0-4 R 2 ;
R 1 is —COR 9 ;
R 2 is independently one or more hydrogen, halogen, —CF 3 , —CN, (C 1 -C 3 )alkyl, (C 1 -C 3 )alkoxy or —SO 2 (C 1 -C 3 )alkyl;
R 3 is independently one or more hydrogen, halogen, —CN or (C 1 -C 3 )alkyl;
R 7 is independently one or more hydrogen, halogen, halo(C 1 -C 3 )alkyl or —CN;
R 8 is hydrogen;
R 9 is hydrogen or (C 1 -C 3 )alkyl;
n is 0, 1 or 2;
or a pharmaceutically acceptable salt, tautomer or stereoisomer thereof.
9. A compound according to claim 1 selected from the following
N-{4-[6-Fluoro-3-(6-methoxypyridin-3-yl)-H-pyrrolo[3,2-b]pyridin-2-yl]pyridin-2-yl}acetamide,
N-{4-[6-Chloro-3-(5-fluoropyridin-2-yl)-1H-pyrrolo[3,2-b]pyridin-2-yl]pyridin-2-yl}-2-{[3-(morpholin-4-yl)propyl]amino}acetamide,
N-(4-(3-(6-(Difluoromethyl)pyridin-2-yl)-6-(methoxy-d3)-1H-pyrrolo[3,2-b]pyridin-2-yl)pyridin-2-yl)acetamide,
N-(4-(3-(6-(Difluoromethyl)pyridin-2-yl)-6-ethoxy-1H-pyrrolo[3,2-b]pyridin-2-yl)pyridin-2-yl)acetamide,
N-(4-{3-[6-(Difluoromethyl)pyridin-2-yl]-7-ethoxy-1H-pyrrolo[3,2-b]pyridin-2-yl}pyridin-2-yl)acetamide,
N-(4-{3-[6-(Difluoromethyl)pyridin-2-yl]-7-[(dimethylamino)methyl]-1H-pyrrolo[3,2-b]pyridin-2-yl}pyridin-2-yl)acetamide,
N-(4-{3-[6-(Difluoromethyl)pyridin-2-yl]-7-(hydroxymethyl)-1H-pyrrolo[3,2-b]pyridin-2-yl}pyridin-2-yl)acetamide,
N-(4-{3-[6-(Difluoromethyl)pyridin-2-yl]-7-(1-hydroxyethyl)-1H-pyrrolo[3,2-b]pyridin-2-yl}pyridin-2-yl)acetamide,
N-(4-{3-[6-(Difluoromethyl)pyridin-2-yl]-7-[(1R)-1-hydroxyethyl]-1H-pyrrolo[3,2-b]pyridin-2-yl}pyridin-2-yl)acetamide,
N-(4-{3-[6-(Difluoromethyl)pyridin-2-yl]-7-[(1 S)-1-hydroxyethyl]-1H-pyrrolo[3,2-b]pyridin-2-yl}pyridin-2-yl)acetamide,
N-(4-{3-[6-(Difluoromethyl)pyridin-2-yl]-7-[(methylamino)methyl]-1H-pyrrolo[3,2-b]pyridin-2-yl}pyridin-2-yl)acetamide,
N-(4-{3-[6-(Difluoromethyl)pyridin-2-yl]-7-(2-hydroxypropan-2-yl)-1H-pyrrolo[3,2-b]pyridin-2-yl}pyridin-2-yl)acetamide,
N-(4-(7-(1-Hydroxyethyl)-3-(6-methoxypyridin-3-yl)-1H-pyrrolo[3,2-b]pyridin-2-yl)pyridin-2-yl)acetamide,
N-(4-(3-(6-(Difluoromethyl)pyridin-2-yl)-6-methoxy-1H-pyrrolo[3,2-b]pyridin-2-yl)pyridin-2-yl)acetamide, or
N-(4-(6-Methoxy-3-(6-methoxypyridin-3-yl)-1H-pyrrolo[3,2-b]pyridin-2-yl)pyridin-2-yl)acetamide;
or a pharmaceutically acceptable salt, tautomer or stereoisomer thereof.
10. A compound according to claim 1 selected from the following
N-{4-[3-(6-Methoxypyridin-3-yl)-1H-pyrrolo[3,2-b]pyridin-2-yl]pyridin-2-yl}acetamide,
N-{4-[6-Chloro-3-(5-methoxypyridin-2-yl)-1H-pyrrolo[3,2-b]pyridin-2-yl]pyridin-2-yl}acetamide,
N-(4-(3-(5-(Methoxy-d 3 )pyridin-2-yl)-1H-pyrrolo[3,2-b]pyridin-2-yl)pyridin-2-yl)acetamide,
N-(4-(6-Chloro-3-(5-(methoxy-d3)pyridin-2-yl)-1H-pyrrolo[3,2-b]pyridin-2-yl)pyridin-2-yl)acetamide,
N-(4-(6-Fluoro-3-(5-(methoxy-d3)pyridin-2-yl)-1H-pyrrolo[3,2-b]pyridin-2-yl)pyridin-2-yl)acetamide,
N-(4-(6-Methoxy-3-(5-(methoxy-d3)pyridin-2-yl)-1H-pyrrolo[3,2-b]pyridin-2-yl)pyridin-2-yl)acetamide,
N-(4-(3-(6-(Difluoromethyl)pyridin-2-yl)-1H-pyrrolo[3,2-b]pyridin-2-yl)pyridin-2-yl)acetamide, or
N-(4-(6-Methoxy-3-(5-methoxypyridin-2-yl)-1H-pyrrolo[3,2-b]pyridin-2-yl)pyridin-2-yl)acetamide
or a pharmaceutically acceptable salt, tautomer or stereoisomer thereof.
11. A pharmaceutical composition which comprises a compound according to claim 1 or a pharmaceutically acceptable salt thereof and one or more pharmaceutically acceptable carriers, diluents or excipients.
12. A combination pharmaceutical product comprising a compound according to claim 1 or a pharmaceutically acceptable salt thereof together with one or more other therapeutically active agents.
13. A method of treating cancer in a subject in need thereof which comprises administering a therapeutically effective amount of compound according to claim 1 or a pharmaceutically acceptable salt thereof, wherein the cancer is small cell lung cancer, non-small cell lung cancer, triple-negative breast cancer, ovarian cancer, colorectal cancer, prostate cancer, melanoma, pancreatic cancer, multiple myeloma, T-acute lymphoblastic leukemia or AML.