Benzopiperazine compositions as BET bromodomain inhibitors

Patent metadata

Field	Value
Publication number	US-10377769-B2
Application number	US-201816029166-A
Country	US
Kind code	B2
Filing date	Jul 6, 2018
Priority date	Nov 18, 2013
Publication date	Aug 13, 2019
Grant date	Aug 13, 2019

Abstract

The present invention relates to inhibitors of bromo and extra terminal (BET) bromodomains that are useful for the treatment of cancer, inflammatory diseases, diabetes, and obesity, having Formula (I):

wherein X, Y, Z, R 1 , R 2 , R 4 and R 7 are defined herein.

First claim

The invention claimed is:

1. A compound having Formula (VI):

or a pharmaceutically acceptable salt thereof,
wherein:
R 10 is independently selected from the group consisting of C 1 -C 6 alkyl, C 1 -C 6 alkoxy, C 1 -C 6 hydroxyalkyl, C 1 -C 6 haloalkyl, C 1 -C 6 haloalkoxy, —OR 1 , —NR a R 1 , CN, —(CR k R l ) n S(O) 2 R i , —(CR k R l ) n NR a S(O) 2 R i , —(CR k R l ) n S(O) 2 NR a R i , —(CR k R l ) n C(O)OR a , —(CR k R l ) n C(O)R i , —(CR k R l ) n C(O)R, —(CR k R l ) n C(O)NR a R i , —(CR k R l ) n R i , —(CR k R l ) n NR a C(O)NR b , and —(CR k R l ) n NR a C(O)OR b , wherein each alkyl is substituted with one or more R 11 ; or
each R 11 is independently at each occurrence selected from halogen, C 1 -C 6 alkyl, C 1 -C 6 alkoxy, C 1 -C 6 haloalkyl, hydroxy, CN, C 1 -C 6 hydroxyalkyl, —(CR k R l ) m NH 2 , C 1 -C 6 alkylamino, C 1 -C 6 dialkylamino, —C(O)NR a R b , —C(O)OR a , —C(O)R a , —S(O) 2 R a , —C(O)H, —NR a C(O)OR a , —NR a C(O)C 1 -C 6 alkyl, or oxo;
or two R 11 together can form a heterocycloalkyl ring;
R a and R b are each independently hydrogen, C 1 -C 6 alkyl, —C 1 -C 4 alkyl(aryl), or aryl;
R d is C 1 -C 6 alkyl, C 1 -C 6 haloalkyl, C 3 -C 7 cycloalkyl, aryl, heteroaryl, or heterocycloalkyl, wherein cycloalkyl, aryl, heteroaryl, and heterocycloalkyl are optionally substituted with one or more R 12 ;
R i is hydrogen, C 1 -C 6 alkyl, C 1 -C 6 alkoxy, C 1 -C 6 hydroxyalkyl, C 1 -C 6 haloalkyl, —(CH 2 ) q N(H)C 1 -C 6 alkyl, —(CH 2 ) q N(C 1 -C 6 alkyl) 2 , —(CR k R i ) m C 3 -C 7 cycloalkyl, —(CR k R 1 ) m aryl, —(CR k R l ) m heteroaryl, or —(CR k R l ) m heterocycloalkyl, wherein alkyl, cycloalkyl, aryl, heteroaryl, and heterocycloalkyl are optionally substituted with one or more R 11 ;
each R 12 is independently at each occurrence selected from C 1 -C 6 alkyl, halogen, CN, C 1 -C 6 alkoxy, C 1 -C 6 haloalkyl, C 1 -C 6 haloalkoxy, hydroxy, NO 2 , —NH 2 , —CH 2 NH 2 , —(CH 2 ) q N(C 1 -C 6 alkyl) 2 , C 1 -C 6 alkylamino, C 1 -C 6 dialkylamino, —O(CH 2 ) q N(H)C 1 -C 6 alkyl, —O(CH 2 ) q N(C 1 -C 6 alkyl) 2 , aryl, heteroaryl, —NH-heteroaryl, —O-aryl, —S(O)—C 1 -C 6 alkyl, —S(O) p —N(H)C 1 -C 6 alkyl, —S(O) p —N(C 1 -C 6 alkyl) 2 , —C(O)C 1 -C 6 alkyl, —C(O)OC 1 -C 6 alkyl, —NHC(O)(C 1 -C 6 alkyl), or oxo, wherein aryl and heteroaryl are optionally substituted with one or more substituents selected from C 1 -C 6 alkyl, halogen, CN, C 1 -C 6 alkoxy, hydroxy, NO 2 , —NH 2 , C 1 -C 6 alkylamino, or C 1 -C 6 dialkylamino; or
two R 12 together with the carbon to which they are attached form a 4- to 6 membered heterospirocycle; or two R 12 together when on adjacent carbons form a C 4 -C 6 cycloalkyl optionally substituted with one or more R 13 ; or two R 12 together when on adjacent carbons form an aryl optionally substituted with one or more R 13 ; or two R 12 together when on adjacent carbons form a heteroaryl optionally substituted with one or more R 13 ; or two R 12 together when on adjacent carbons form a heterocycloalkyl optionally substituted with one or more R 13 ; or R 12 with the carbon to which it is attached and the adjacent carbon form a C 3 cycloalkyl optionally substituted with one or more R 13 ;
each R 13 is independently at each occurrence selected from C 1 -C 6 alkyl, halogen, CN, C 1 -C 6 alkoxy, C 1 -C 6 haloalkyl, C 1 -C 6 haloalkoxy, hydroxy, NO 2 , —NH 2 , —CH 2 NH 2 , —(CH 2 ) q N(C 1 -C 6 alkyl) 2 , C 1 -C 6 alkylamino, C 1 -C 6 dialkylamino, —O(CH 2 ) q N(H) C 1 -C 6 alkyl, —O(CH 2 ) q N(C 1 -C 6 alkyl) 2 , aryl, heteroaryl, —NH-heteroaryl, —O-aryl, —S(O)—C 1 -C 6 alkyl, —S(O) p —N(H)C 1 -C 6 alkyl, —S(O) p —N(C 1 -C 6 alkyl) 2 , —C(O)C 1 -C 6 alkyl, —NHC(O)(C 1 -C 6 alkyl), or oxo, wherein aryl and heteroaryl are optionally substituted with one or more substituents selected from consisting of C 1 -C 6 alkyl, halogen, CN, C 1 -C 6 alkoxy, hydroxy, NO 2 , —NH 2 , C 1 -C 6 alkylamino, and C 1 -C 6 dialkylamino;
R k and R l are each independently at each occurrence selected from H, C 1 -C 6 alkyl, C 1 -C 6 alkoxy, C 1 -C 6 haloalkyl, or halogen;
each m, n, and p is independently at each occurrence 0, 1, or 2; and
each q is independently at each occurrence 1, 2, 3 or 4.

2. The compound of claim 1 , wherein the compound is selected from:
3,3-difluorocyclobutyl (3S)-4-acetyl-7-[1-(1,1-dioxo-1λ 6 -thietan-3-yl)-1H-pyrazol-4-yl]-3-methyl-1,2,3,4-tetrahydroquinoxaline-1-carboxylate;
4,4-difluorocyclohexyl (3S)-4-acetyl-3-methyl-7-[1-(oxan-4-yl)-1H-pyrazol-4-yl]-1,2,3,4-tetrahydroquinoxaline-1-carboxylate;
2-methoxyphenyl (3S)-4-acetyl-3-methyl-7-[1-(oxetan-3-yl)-1H-pyrazol-4-yl]-1,2,3,4-tetrahydroquinoxaline-1-carboxylate;
3,3-difluorocyclobutyl (3S)-4-acetyl-3-methyl-7-[1-(oxan-4-yl)-1H-pyrazol-4-yl]-1,2,3,4-tetrahydroquinoxaline-1-carboxylate;
ethyl (3S)-4-acetyl-3-methyl-7-[1-(oxetan-3-yl)-1H-pyrazol-4-yl]-1,2,3,4-tetrahydroquinoxaline-1-carboxylate;
propan-2-yl (3S)-4-acetyl-7-[1-(2-hydroxyethyl)-1H-pyrazol-4-yl]-3-methyl-1,2,3,4-tetrahydroquinoxaline-1-carboxylate;
propan-2-yl (3S)-4-acetyl-7-[1-(2-methoxyethyl)-1H-pyrazol-4-yl]-3-methyl-1,2,3,4-tetrahydroquinoxaline-1-carboxylate;
ethyl (3S)-4-acetyl-7-(1-cyclopropyl-1H-pyrazol-4-yl)-3-methyl-1,2,3,4-tetrahydroquinoxaline-1-carboxylate;
propan-2-yl (3S)-4-acetyl-7-(1-cyclopropyl-1H-pyrazol-4-yl)-3-methyl-1,2,3,4-tetrahydroquinoxaline-1-carboxylate;
cyclopentyl (3S)-4-acetyl-7-(1-cyclopropyl-1H-pyrazol-4-yl)-3-methyl-1,2,3,4-tetrahydroquinoxaline-1-carboxylate;
propan-2-yl (3S)-4-acetyl-7-(1-cyclobutyl-1H-pyrazol-4-yl)-3-methyl-1,2,3,4-tetrahydroquinoxaline-1-carboxylate;
cyclopentyl (3S)-4-acetyl-7-(1-cyclobutyl-1H-pyrazol-4-yl)-3-methyl-1,2,3,4-tetrahydroquinoxaline-1-carboxylate;
3,3-difluorocyclobutyl (3S)-4-acetyl-7-(1-cyclopropyl-1H-pyrazol-4-yl)-3-methyl-1,2,3,4-tetrahydroquinoxaline-1-carboxylate;
3,3-difluorocyclobutyl (3S)-4-acetyl-7-[1-(2-hydroxyethyl)-1H-pyrazol-4-yl]-3-methyl-1,2,3,4-tetrahydroquinoxaline-1-carboxylate;
3,3-difluorocyclobutyl (3S)-4-acetyl-7-[1-(2-hydroxy-2-methylpropyl)-1H-pyrazol-4-yl]-3-methyl-1,2,3,4-tetrahydroquinoxaline-1-carboxylate;
4,4-difluorocyclohexyl (3S)-4-acetyl-7-(1-cyclopropyl-1H-pyrazol-4-yl)-3-methyl-1,2,3,4-tetrahydroquinoxaline-1-carboxylate;
4,4-difluorocyclohexyl (3S)-4-acetyl-7-[1-(2-hydroxyethyl)-1H-pyrazol-4-yl]-3-methyl-1,2,3,4-tetrahydroquinoxaline-1-carboxylate;
4,4-difluorocyclohexyl (3S)-4-acetyl-7-[1-(2-hydroxy-2-methylpropyl)-1H-pyrazol-4-yl]-3-methyl-1,2,3,4-tetrahydroquinoxaline-1-carboxylate;
oxan-4-yl (3S)-4-acetyl-7-[1-(1,1-dioxo-1λ 6 -thietan-3-yl)-1H-pyrazol-4-yl]-3-methyl-1,2,3,4-tetrahydroquinoxaline-1-carboxylate;
oxan-4-yl (3S)-4-acetyl-3-methyl-7-[1-(oxan-4-yl)-1H-pyrazol-4-yl]-1,2,3,4-tetrahydroquinoxaline-1-carboxylate;
cyclobutyl (3S)-4-acetyl-3-methyl-7-[1-(oxan-4-yl)-1H-pyrazol-4-yl]-1,2,3,4-tetrahydroquinoxaline-1-carboxylate;
oxetan-3-yl (3S)-4-acetyl-3-methyl-7-[1-(oxetan-3-yl)-1H-pyrazol-4-yl]-1,2,3,4-tetrahydroquinoxaline-1-carboxylate;
2,2-dichloroethyl (3S)-4-acetyl-3-methyl-7-[1-(oxetan-3-yl)-1H-pyrazol-4-yl]-1,2,3,4-tetrahydroquinoxaline-1-carboxylate;
3,3-difluorocyclobutyl (3S)-4-acetyl-3-methyl-7-[1-(oxetan-3-yl)-1H-pyrazol-4-yl]-1,2,3,4-tetrahydroquinoxaline-1-carboxylate;
2,2-difluoropropyl (3S)-4-acetyl-3-methyl-7-[1-(oxetan-3-yl)-1H-pyrazol-4-yl]-1,2,3,4-tetrahydroquinoxaline-1-carboxylate;
3,3,3-trifluoropropyl (3S)-4-acetyl-3-methyl-7-[1-(oxetan-3-yl)-1H-pyrazol-4-yl]-1,2,3,4-tetrahydroquinoxaline-1-carboxylate;
2-oxaspiro[3.3]heptan-6-yl (3S)-4-acetyl-3-methyl-7-[1-(oxetan-3-yl)-1H-pyrazol-4-yl]-1,2,3,4-tetrahydroquinoxaline-1-carboxylate;
2,2,2-trifluoroethyl

Assignees

• Forma Therapeutics Inc

Inventors

• Bair Kenneth W
• Herbertz Torsten
• Kauffman Goss S
• Kayser-Bricker Katherine J
• Luke George P
• Martin Matthew W
• Millan David S
• Schiller Shawn E R
• Talbot Adam C
• Tebbe Mark J

Classifications

• A61K31/517

  ortho- or peri-condensed with carbocyclic ring systems, e.g. quinazoline, perimidine · CPC title

• A61K31/541

  Non-condensed thiazines containing further heterocyclic rings · CPC title

• C07D241/50

  with hetero atoms directly attached to ring nitrogen atoms · CPC title

• A61K31/4985

  Pyrazines or piperazines ortho- or peri-condensed with heterocyclic ring systems · CPC title

• C07D413/12

  linked by a chain containing hetero atoms as chain links · CPC title