1H-pyrrolo[2,3-c]pyridin-7(6H)-ones and pyrazolo[3,4-c]pyridin-7(6H)-ones as inhibitors of BET proteins

1. A method of treating an autoimmune or inflammatory disease, comprising administering to a patient in need of such treatment a therapeutically effective amount of a compound of Formula IIIa:

or a pharmaceutically acceptable salt thereof, wherein:

R 1 and R 2 are each independently selected from H, methyl, ethyl, propyl, cyclopropyl, cyclopentyl, pyran-4-yl, phenyl, pyridin-2-yl, 2-chloro-4-phenyl, 2-chloro-4-fluorophenyl, and 2-hydroxyethyl;

or R 1 and R 2 together with the carbon atom to which they are attached form cyclopropyl;

R 3 is H, methyl, ethyl, or propyl, wherein said methyl is optionally substituted with cyclopropyl, pyridinyl, —C(═O)NH 2 , —C(═O)NHCH 3 , —C(═O)(4-methylpiperazin-1-yl), —C(═O)NH(4-methylpiperazin-1-yl), or —C(═O)OH;

R 5 is H, 1-methyl-1H-pyrazol-4-yl, 2-furyl, CN, NO 2 , methoxy, —C(═O)NH 2 , —C(═O)NH(CH 3 ), —C(═O)N(CH 3 ) 2 , —C(═O)-(morpholin-4-yl), —C(═O)CH 3 , —CH 2 OH, —CH 2 OCH 3 , —CH 2 NH 2 , —CH 2 NHSO 2 (CH 2 CH 3 ), —CH 2 NHC(═O)CH 3 , —CH(OH)CH 3 , —SO 2 CH 3 , —SO 2 CH 2 CH 3 , —SO 2 -(isopropyl), —SO 2 N(CH 3 ) 2 , —SO 2 NH(CH 3 ), —SO 2 —NH(isopropyl), or —SO 2 -(piperidin-1-yl); and

R 7 is methyl.

2. The method of claim 1 , wherein R 1 and R 2 are each independently selected from H, methyl, ethyl, propyl, cyclopropyl, cyclopentyl, pyran-4-yl, phenyl, pyridin-2-yl, 2-chloro-4-phenyl, and 2-hydroxyethyl.

3. The method of claim 1 , wherein one of R 1 and R 2 is H and the other is not H.

4. The method of claim 1 , wherein R 1 and R 2 are each methyl, ethyl, or propyl.

5. The method of claim 1 , wherein R 1 and R 2 are each methyl.

6. The method of claim 1 , wherein R 3 is H, methyl, ethyl, or propyl, wherein said methyl is optionally substituted with cyclopropyl, pyridinyl, —C(═O)NHCH 3 , —C(═O)NH(4-methylpiperazin-1-yl), or —C(═O)OH.

7. The method of claim 1 , wherein R 3 is methyl.

8. The method of claim 1 , wherein R 5 is —SO 2 CH 3 , —SO 2 CH 2 CH 3 , —SO 2 -(isopropyl), —SO 2 N(CH 3 ) 2 , —SO 2 NH(CH 3 ), —SO 2 —NH(isopropyl), or —SO 2 -(piperidin-1-yl).

9. The method of claim 1 , wherein R 5 is S(O) 2 CH 3 .

10. The method of claim 1 , wherein R 5 is S(O) 2 CH 2 CH 3 .

11. The method of claim 1 , wherein the compound is selected from:

8-(6-methyl-7-oxo-6,7-dihydro-1H-pyrrolo[2,3-c]pyridin-4-yl)-2-phenyl-2H-1,4-benzoxazin-3(4H)-one;

2-isopropyl-8-(6-methyl-7-oxo-6,7-dihydro-1H-pyrrolo[2,3-c]pyridin-4-yl)-2H-1,4-benzoxazin-3(4H)-one;

2-methyl-8-(6-methyl-7-oxo-6,7-dihydro-1H-pyrrolo[2,3-c]pyridin-4-yl)-2H-1,4-benzoxazin-3(4H)-one;

2-ethyl-8-(6-methyl-7-oxo-6,7-dihydro-1H-pyrrolo[2,3-c]pyridin-4-yl)-2H-1,4-benzoxazin-3(4H)-one;

8-(6-methyl-7-oxo-6,7-dihydro-1H-pyrrolo[2,3-c]pyridin-4-yl)-2-pyridin-2-yl-2H-1,4-benzoxazin-3(4H)-one 2,2,2-trifluoroacetate;

2-cyclopropyl-8-(6-methyl-7-oxo-6,7-dihydro-1H-pyrrolo[2,3-c]pyridin-4-yl)-2H-1,4-benzoxazin-3(4H)-one;

8-(6-methyl-7-oxo-6,7-dihydro-1H-pyrrolo[2,3-c]pyridin-4-yl)-2-(tetrahydro-2H-pyran-4-yl)-2H-1,4-benzoxazin-3(4H)-one;

2-ethyl-4-methyl-8-(6-methyl-7-oxo-6,7-dihydro-1H-pyrrolo[2,3-c]pyridin-4-yl)-2H-1,4-benzoxazin-3(4H)-one;

2-isopropyl-6-methoxy-8-(6-methyl-7-oxo-6,7-dihydro-1H-pyrrolo[2,3-c]pyridin-4-yl)-2H-1,4-benzoxazin-3(4H)-one;

2-isopropyl-6-methoxy-4-methyl-8-(6-methyl-7-oxo-6,7-dihydro-1H-pyrrolo[2,3-c]pyridin-4-yl)-2H-1,4-benzoxazin-3(4H)-one;

[2-isopropyl-6-methoxy-8-(6-methyl-7-oxo-6,7-dihydro-1H-pyrrolo[2,3-c]pyridin-4-yl)-3-oxo-2,3-dihydro-4H-1,4-benzoxazin-4-yl]acetic acid;

2-[2-isopropyl-6-methoxy-8-(6-methyl-7-oxo-6,7-dihydro-1H-pyrrolo[2,3-c]pyridin-4-yl)-3-oxo-2,3-dihydro-4H-1,4-benzoxazin-4-yl]-N-methylacetamide;

2-[2-isopropyl-6-methoxy-8-(6-methyl-7-oxo-6,7-dihydro-1H-pyrrolo[2,3-c]pyridin-4-yl)-3-oxo-2,3-dihydro-4H-1,4-benzoxazin-4-yl]acetamide;

2-isopropyl-6-methoxy-8-(6-methyl-7-oxo-6,7-dihydro-1H-pyrrolo[2,3-c]pyridin-4-yl)-4-[2-(4-methylpiperazin-1-yl)-2-oxoethyl]-2H-1,4-benzoxazin-3(4H)-one;

2-isopropyl-6-methoxy-8-(6-methyl-7-oxo-6,7-dihydro-1H-pyrrolo[2,3-c]pyridin-4-yl)-4-(pyridin-4-ylmethyl)-2H-1,4-benzoxazin-3(4H)-one;

2,4-diisopropyl-6-methoxy-8-(6-methyl-7-oxo-6,7-dihydro-1H-pyrrolo[2,3-c]pyridin-4-yl)-2H-1,4-benzoxazin-3(4H)-one;

2-isopropyl-8-(6-methyl-7-oxo-6,7-dihydro-1H-pyrrolo[2,3-c]pyridin-4-yl)-3-oxo-3,4-dihydro-2H-1,4-benzoxazine-6-carbonitrile;

2-isopropyl-4-methyl-8-(6-methyl-7-oxo-6,7-dihydro-1H-pyrrolo[2,3-c]pyridin-4-yl)-3-oxo-3,4-dihydro-2H-1,4-benzoxazine-6-carbonitrile;

2-isopropyl-4-methyl-8-(6-methyl-7-oxo-6,7-dihydro-1H-pyrrolo[2,3-c]pyridin-4-yl)-3-oxo-3,4-dihydro-2H-1,4-benzoxazine-6-carboxamide;

2-isopropyl-N-methyl-8-(6-methyl-7-oxo-6,7-dihydro-1H-pyrrolo[2,3-c]pyridin-4-yl)-3-oxo-3,4-dihydro-2H-1,4-benzoxazine-6-carboxamide;

2-isopropyl-8-(6-methyl-7-oxo-6,7-dihydro-1H-pyrrolo[2,3-c]pyridin-4-yl)-6-nitro-2H-1,4-benzoxazin-3(4H)-one;

2-cyclopropyl-6-methoxy-8-(6-methyl-7-oxo-6,7-dihydro-1H-pyrrolo[2,3-c]pyridin-4-yl)-2H-1,4-benzoxazin-3(4H)-one;

6-methoxy-8-(6-methyl-7-oxo-6,7-dihydro-1H-pyrrolo[2,3-c]pyridin-4-yl)-2-phenyl-2H-1,4-benzoxazin-3(4H)-one;

2-(2-chloro-4-fluorophenyl)-6-methoxy -8-(6-methyl-7-oxo-6,7-dihydro-1H-pyrrolo[2,3-c]pyridin-4-yl)-2H-1,4-benzoxazin-3(4H)-one;

6-methoxy-2,2-dimethyl-8-(6-methyl-7-oxo-6,7-dihydro-1H-pyrrolo[2,3-c]pyridin-4-yl)-2H-1,4-benzoxazin-3(4H)-one;

2-isopropyl-8-(6-methyl-7-oxo-6,7-dihydro-1H-pyrrolo[2,3-c]pyridin-4-yl)-6-(1-methyl-1H-pyrazol-4-yl)-2H-1,4-benzoxazin-3(4H)-one;

8-(6-methyl-7-oxo-6,7-dihydro-1H-pyrrolo[2,3-c]pyridin-4-yl)spiro[1,4-benzoxazine-2,1′-cyclopropan]-3(4H)-one;

2,2-dimethyl-8-(6-methyl-7-oxo-6,7-dihydro-1H-pyrrolo[2,3-c]pyridin-4-yl)-2H-1,4-benzoxazin-3(4H)-one;

2-isopropyl-8-(6-methyl-7-oxo-6,7-dihydro-1H-pyrrolo[2,3-c]pyridin-4-yl)-6-(morpholin-4-ylcarbonyl)-2H-1,4-benzoxazin-3(4H)-one;

2-isopropyl-N,N-dimethyl-8-(6-methyl-7-oxo-6,7-dihydro-1H-pyrrolo[2,3-c]pyridin-4-yl)-3-oxo-3,4-dihydro-2H-1,4-benzoxazine-6-carboxamide;

2-cyclopentyl-6-methoxy-8-(6-methyl-7-oxo-6,7-dihydro-1H-pyrrolo[2,3-c]pyridin-4-yl)-2H-1,4-benzoxazin-3(4H)-one;

6-(hydroxymethyl)-2-isopropyl-8-(6-methyl-7-oxo-6,7-dihydro-1H-pyrrolo[2,3-c]pyridin-4-yl)-2H-1,4-benzoxazin-3(4H)-one;

2-isopropyl-6-(methoxymethyl)-8-(6-methyl-7-oxo-6,7-dihydro-1H-pyrrolo[2,3-c]pyridin-4-yl)-2H-1,4 -benzoxazin-3(4H)-one;

6-(Aminomethyl)-2-isopropyl-8-(6-methyl-7-oxo-6,7-dihydro-1H-pyrrolo[2,3-c]pyridin-4-yl)-2H-1,4-benzoxazin-3(4H)-one;

N-{[2-isopropyl-8-(6-methyl-7-oxo-6,7-dihydro-1H-pyrrolo[2,3-c]pyridin-4-yl)-3-oxo-3,4-dihydro-2H-1,4-benzoxazin-6-yl]methyl}ethanesulfonamide;

N-{[2-isopropyl-8-(6-methyl-7-oxo-6,7-dihydro-1H-pyrrolo[2,3 -c]pyridin-4-yl)-3-oxo-3,4-dihydro-2H-1,4-benzoxazin-6-yl]methyl}acetamide;

2-isopropyl-8-(6-methyl-7-oxo-6,7-dihydro-1H-pyrrolo[2,3-c]pyridin-4-yl)-3-oxo-3,4-dihydro-2H-1,4-benzoxazine-6-carboxamide;

6-(2-furyl)-2-isopropyl-8-(6-methyl-7-oxo-6,7-dihydro-1H-pyrrolo[2,3-c]pyridin-4-yl)-2H-1,4-benzoxazin-3(4H)-one;

2-isopropyl-8-(6-methyl-7-oxo-6,7-dihydro-1H-pyrrolo[2,3-c]pyridin-4-yl)-6-(methylsulfonyl)-2H-1,4-benzoxazin-3(4H)-one;

2,2-dimethyl-8-(6-methyl-7-oxo-6,7-dihydro-1H-pyrrolo[2,3-c]pyridin-4-yl)-6-(methylsulfonyl)-2H-1,4-benzoxazin-3(4H)-one;

8-(6-methyl-7-oxo-6,7-dihydro-1H-pyrrolo[2,3-c]pyridin-4-yl)-6-(methylsulfonyl)-2-phenyl-2H-1,4-benzoxazin-3(4H)-one;

2-isopropyl-4-methyl-8-(6-methyl-7-oxo-6,7-dihydro-1H-pyrrolo[2,3-c]pyridin-4-yl)-6-(methylsulfonyl)-2H-1,4-benzoxazin-3(4H)-one;

2-(2-hydroxyethyl)-8-(6-methyl-7-oxo-6,7-dihydro-1H-pyrrolo[2,3-c]pyridin-4-yl)-6-(methylsulfonyl)-2H-1,4-benzoxazin-3(4H)-one;

6-acetyl-2-isopropyl-8-(6-methyl-7-oxo-6,7-dihydro-1H-pyrrolo[2,3-c]pyridin-4-yl)-2H-1,4-benzoxazin-3(4H)-one;

6-(1-hydroxyethyl)-2-isopropyl-8-(6-methyl-7-oxo-6,7-dihydro-1H-pyrrolo[2,3-c]pyridin-4-yl)-2H-1,4-benzoxazin-3(4H)-one;

6-(ethylsulfonyl)-2-isopropyl-8-(6-methyl-7-oxo-6,7-dihydro-1H-pyrrolo[2,3-c]pyridin-4-yl)-2H-1,4-benzoxazin-3(4H)-one;

2-isopropyl-6-(isopropylsulfonyl)-8-(6-methyl-7-oxo-6,7-dihydro-1H-pyrrolo[2,3-c]pyridin-4-yl)-2H-1,4-benzoxazin-3(4H)-one;

4-(cyclopropylmethyl)-2-isopropyl-8-(6-methyl-7-oxo-6,7-dihydro-1H-pyrrolo[2,3-c]pyridin-4-yl)-6-(methylsulfonyl)-2H-1,4-benzoxazin-3(4H)-one;

4-ethyl-2-isopropyl-8-(6-methyl-7-oxo-6,7-dihydro-1H-pyrrolo[2,3-c]pyridin-4-yl)-6-(methylsulfonyl)-2H-1,4-benzoxazin-3(4H)-one;

6-(ethylsulfonyl)-2-isopropyl-4-methyl-8-(6-methyl-7-oxo-6,7-dihydro-1H-pyrrolo[2,3-c]pyridin-4-yl)-2H-1,4-benzoxazin-3(4H)-one;

2-isopropyl-6-(isopropylsulfonyl)-4-methyl-8-(6-methyl-7-oxo-6,7-dihydro-1H-pyrrolo[2,3-c]pyridin-4-yl)-2H-1,4-benzoxazin-3(4H)-one;

8-(6-methyl-7-oxo-6,7-dihydro-1H-pyrrolo[2,3-c]pyridin-4-yl)-6-(methylsulfonyl)spiro[1,4-benzoxazine-2,1′-cyclopropan]-3(4H)-one;

2-isopropyl-N,N-dimethyl-8-(6-methyl-7-oxo-6,7-dihydro-1H-pyrrolo[2,3-c]pyridin-4-yl)-3-oxo-3,4-dihydro-2H-1,4-benzoxazine-6-sulfonamide;

2-isopropyl-N-methyl-8-(6-methyl-7-oxo-6,7-dihydro-1H-pyrrolo[2,3-c]pyridin-4-yl)-3-oxo-3,4-dihydro-2H-1,4-benzoxazine-6-sulfonamide;

N,N,2,2,4-pentamethyl-8-(6-methyl-7-oxo-6,7-dihydro-1H-pyrrolo[2,3-c]pyridin-4-yl)-3-oxo-3,4-dihydro-2H-1,4-benzoxazine-6-sulfonamide;

N,N,2,2-tetramethyl-8-(6-methyl-7-oxo-6,7-dihydro-1H-pyrrolo[2,3-c]pyridin-4-yl)-3-oxo-3,4-dihydro-2H-1,4-benzoxazine-6-sulfonamide;

2-isopropyl-N,N,4-trimethyl-8-(6-methyl-7-oxo-6,7-dihydro-1H-pyrrolo[2,3-c]pyridin-4-yl)-3-oxo-3,4-dihydro-2H-1,4-benzoxazine-6-sulfonamide;

2,2-dimethyl-8-(6-methyl-7-oxo-6,7-dihydro-1H-pyrrolo[2,3-c]pyridin-4-yl)-6-(piperidin-1-ylsulfonyl)-2H-1,4-benzoxazin-3(4H)-one;

2,2,4-trimethyl-8-(6-methyl-7-oxo-6,7-dihydro-1H-pyrrolo[2,3-c]pyridin-4-yl)-6-(piperidin-1-ylsulfonyl)-2H-1,4-benzoxazin-3(4H)-one;

N-isopropyl-2,2-dimethyl-8-(6-methyl-7-oxo-6,7-dihydro-1H-pyrrolo[2,3-c]pyridin-4-yl)-3-oxo-3,4-dihydro-2H-1,4-benzoxazine-6-sulfonamide;

2,2,4-trimethyl-8-(6-methyl-7-oxo-6,7-dihydro-1H-pyrrolo[2,3-c]pyridin-4-yl)-6-(methylsulfonyl)-2H-1,4-benzoxazin-3(4H)-one;

6-(ethylsulfonyl)-2,2,4-trimethyl-8-(6-methyl-7-oxo-6,7-dihydro-1H-pyrrolo[2,3-c]pyridin-4-yl)-2H-1,4-benzoxazin-3(4H)-one;

6-(isopropylsulfonyl)-2,2,4-trimethyl-8-(6-methyl-7-oxo-6,7-dihydro-1H-pyrrolo[2,3-c]pyridin-4-yl)-2H-1,4-benzoxazin-3(4H)-one;

6-(ethylsulfonyl)-2,2-dimethyl-8-(6-methyl-7-oxo-6,7-dihydro-1H-pyrrolo[2,3-c]pyridin-4-yl)-2H-1,4-benzoxazin-3(4H)-one;

6-(isopropylsulfonyl)-2,2-dimethyl-8-(6-methyl-7-oxo-6,7-dihydro-1H-pyrrolo[2,3-c]pyridin-4-yl)-2H-1,4-benzoxazin-3(4H)-one;

6-acetyl-2,2-dimethyl-8-(6-methyl-7-oxo-6,7-dihydro-1H-pyrrolo[2,3-c]pyridin-4-yl)-2H-1,4-benzoxazin-3(4H)-one;

6-(1-hydroxyethyl)-2,2-dimethyl-8-(6-methyl-7-oxo-6,7-dihydro-1H-pyrrolo[2,3-c]pyridin-4-yl)-2H-1,4-benzoxazin-3(4H)-one;

6-acetyl-2,2,4-trimethyl-8-(6-methyl-7-oxo-6,7-dihydro-1H-pyrrolo[2,3-c]pyridin-4-yl)-2H-1,4-benzoxazin-3(4H)-one; and

6-(1-hydroxyethyl)-2,2,4-trimethyl-8-(6-methyl-7-oxo-6,7-dihydro-1H-pyrrolo[2,3-c]pyridin-4-yl)-2H-1,4-benzoxazin-3(4H)-one;

or a pharmaceutically acceptable salt of any of the aforementioned.

12. The method of claim 1 , wherein the autoimmune or inflammatory disease is selected from allergy, allergic rhinitis, arthritis, asthma, chronic obstructive pulmonary disease, degenerative joint disease, dermatitis, organ rejection, eczema, hepatitis, inflammatory bowel disease, multiple sclerosis, myasthenia gravis, psoriasis, sepsis, sepsis syndrome, septic shock, systemic lupus erythematosus, tissue graft rejection, and type I diabetes.

13. A method of treating an autoimmune or inflammatory disease, comprising administering to a patient in need of such treatment a therapeutically effective amount of 2,2,4-trimethyl-8-(6-methyl-7-oxo-6,7-dihydro-1H-pyrrolo[2,3-c]pyridin-4-yl)-6-(methylsulfonyl)-2H-1,4-benzoxazin-3(4H)-one or a pharmaceutically acceptable salt thereof.

14. The method of claim 13 , wherein the autoimmune or inflammatory disease is selected from allergy, allergic rhinitis, arthritis, asthma, chronic obstructive pulmonary disease, degenerative joint disease, dermatitis, organ rejection, eczema, hepatitis, inflammatory bowel disease, multiple sclerosis, myasthenia gravis, psoriasis, sepsis, sepsis syndrome, septic shock, systemic lupus erythematosus, tissue graft rejection, and type I diabetes.

15. The method of claim 1 , wherein the autoimmune or inflammatory disease is an autoimmune disease.

16. The method of claim 1 , wherein the autoimmune or inflammatory disease is an inflammatory disease.

17. The method of claim 1 , wherein the autoimmune or inflammatory disease is associated with a BET protein.

18. The method of claim 1 , wherein the compound is 2,2,4-trimethyl-8-(6-methyl-7-oxo-6,7-dihydro-1H-pyrrolo[2,3-c]pyridin-4-yl)-6-(methylsulfonyl)-2H-1,4-benzoxazin-3(4H)-one or a pharmaceutically acceptable salt thereof.

19. The method of claim 12 , wherein the compound is 2,2,4-trimethyl-8-(6-methyl-7-oxo-6,7-dihydro-1H-pyrrolo[2,3-c]pyridin-4-yl)-6-(methylsulfonyl)-2H-1,4-benzoxazin-3(4H)-one or a pharmaceutically acceptable salt thereof.