Bridged diazepan orexin receptor antagonists
AssigneeMerck Sharp & Dohme Corp.
InventorsPaul J. Coleman, Christopher D. Cox, Georgia B. McGaughey, Anthony J. Roecker, John D. Schreier
Life of this patent
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Abstract
The present invention is directed to bridged diazepan compounds which are antagonists of orexin receptors, and which are useful in the treatment or prevention of neurological and psychiatric disorders and diseases in which orexin receptors are involved. The invention is also directed to pharmaceutical compositions comprising these compounds and the use of these compounds and compositions in the prevention or treatment of such diseases in which orexin receptors are involved.
Claims12
A compound of the formula I:
- wherein:
- X is selected from —SO2—, —(C═O)—, and —(C═S)—;
- R1 is selected from the group consisting of:
- (1) phenyl, where the phenyl is substituted with R1a, R1b and R1c,
- (2) naphthyl, where the naphthyl is substituted with R1a, R1b and R1c, and
- (3) heteroaryl, where the heteroaryl is substituted with R1a, R1b and R1c;
- R2 is heteroaryl, where the heteroaryl is substituted with R2a, R2b and R2c;
- R1a, R1b, R1c, R2a, R2b and R2c are independently selected from the group consisting of:
- (1) hydrogen,
- (2) halogen,
- (3) hydroxyl,
- (4) —(C═O)m—On—C1-6alkyl, where m is 0 or 1, n is 0 or 1 (wherein if m is 0 or n is 0, a bond is present) and where the alkyl is unsubstituted or substituted with one or more substituents selected from R13,
- (5) —(C═O)m—On—C3-6cycloalkyl, where the cycloalkyl is unsubstituted or substituted with one or more substituents selected from R13,
- (6) —(C═O)m—C2-4alkenyl, where the alkenyl is unsubstituted or substituted with one or more substituents selected from R13,
- (7) —(C═O)m—C2-4alkynyl, where the alkynyl is unsubstituted or substituted with one or more substituents selected from R13,
- (8) —(C═O)m—On-phenyl or —(C═O)m—On-naphthyl, where the phenyl or naphthyl is unsubstituted or substituted with one or more substituents selected from R13,
- (9) —(C═O)m—On-heterocycle, where the heterocycle is unsubstituted or substituted with one or more substituents selected from R13,
- (10) —(C═O)m—NR10R11, wherein R10 and R11 are independently selected from the group consisting of:
- (a) hydrogen,
- (b) C1-6alkyl, which is unsubstituted or substituted with one or more substituents selected from R13,
- (c) C3-6alkenyl, which is unsubstituted or substituted with one or more substituents selected from R13,
- (d) cycloalkyl, which is unsubstituted or substituted with one or more substituents selected from R13,
- (e) phenyl, which is unsubstituted or substituted with one or more substituents selected from R13, and
- (f) heterocycle, which is unsubstituted or substituted with one or more substituents selected from R13,
- (11) —S(O)2—NR10R11,
- (12) —S(O)q—R12, where q is 0, 1 or 2 and where R12 is selected from the definitions of R10 and R11,
- (13) —CO2H,
- (14) —CN, and
- (15) —NO2;
- R13 is selected from the group consisting of:
- (1) halogen,
- (2) hydroxyl,
- (3) —(C═O)m—On—C1-6alkyl, where the alkyl is unsubstituted or substituted with one or more substituents selected from R14,
- (4) —On—(C1-3)perfluoroalkyl,
- (5) —(C═O)m—On—C3-6cycloalkyl, where the cycloalkyl is unsubstituted or substituted with one or more substituents selected from R14,
- (6) —(C═O)m—C2-4alkenyl, where the alkenyl is unsubstituted or substituted with one or more substituents selected from R14,
- (7) —(C═O)m—On-phenyl or —(C═O)m—On-naphthyl, where the phenyl or naphthyl is unsubstituted or substituted with one or more substituents selected from R14,
- (8) —(C═O)m—On-heterocycle, where the heterocycle is unsubstituted or substituted with one or more substituents selected from R14,
- (9) —CO2H,
- (10) —CN, and
- (11) —NO2;
- R14 is selected from the group consisting of:
- (1) hydroxyl,
- (2) halogen,
- (3) C1-6alkyl,
- (4) —C3-6cycloalkyl,
- (5) —O—C1-6alkyl,
- (6) —O(C═O)—C1-6alkyl,
- (7) —NH—C1-6alkyl,
- (8) phenyl,
- (9) heterocycle,
- (10) —CO2H, and
- (11) —CN;
- or a pharmaceutically acceptable salt thereof.
A compound which is selected from the group consisting of:
- 2-{3-[5-Methyl-2-(2H-1,2,3-triazol-2-yl)benzoyl]-3,6-diazabicyclo[3.2.1]oct-6-yl}quinazoline;
- (R,R)-2-{3-[5-Methyl-2-(2H-1,2,3-triazol-2-yl)benzoyl]-3,6-diazabicyclo[3.2.1]oct-6-yl}quinazoline;
- (S,S)-2-{3-[5-Methyl-2-(2H-1,2,3-triazol-2-yl)benzoyl]-3,6-diazabicyclo[3.2.1]oct-6-yl}quinazoline;
- 6-Chloro-2-{3-[5-methyl-2-(2H-1,2,3-triazol-2-yl)benzoyl]-3,6-diazabicyclo[3.2.1]oct-6-yl}[1,3]oxazolo[5,4-b]pyridine;
- 6-Fluoro-2-{3-[5-methyl-2-(2H-1,2,3-triazol-2-yl)benzoyl]-3,6-diazabicyclo[3.2.1]oct-6-yl}quinazoline;
- 6-Fluoro-2-{3-[5-methyl-2-(2H-1,2,3-triazol-2-yl)benzoyl]-3,6-diazabicyclo[3.2.1]oct-6-yl}[1,3]oxazolo[5,4-b]pyridine;
- 2-[3-(2,6-Dimethoxybenzoyl)-3,6-diazabicyclo[3.2.1]oct-6-yl]quinazoline;
- 2-{3-[(2-Methyl-5-phenyl-1,3-thiazol-4-yl)carbonyl]-3,6-diazabicyclo[3.2.1]oct-6-yl}quinazoline;
- 2-[3-(Biphenyl-2-ylcarbonyl)-3,6-diazabicyclo[3.2.1]oct-6-yl]quinazoline;
- 2-{3-[2-Fluoro-6-(2H-1,2,3-triazol-2-yl)benzoyl]-3,6-diazabicyclo[3.2.1]oct-6-yl}quinazoline;
- 2-{3-[5-Fluoro-2-(2H-1,2,3-triazol-2-yl)benzoyl]-3,6-diazabicyclo[3.2.1]oct-6-yl}quinazoline;
- 2-{3-[5-Bromo-2-(2H-1,2,3-triazol-2-yl)benzoyl]-3,6-diazabicyclo[3.2.1]oct-6-yl}quinazoline;
- 2-{3-[2-(2H-1,2,3-Triazol-2-yl)benzoyl]-3,6-diazabicyclo[3.2.1]oct-6-yl}quinazoline;
- 3-[5-Methyl-2-(2H-1,2,3-triazol-2-yl)benzoyl]-6-(6-phenylpyrazin-2-yl)-3,6-diazabicyclo[3.2.1]octane;
- 3-[5-Methyl-2-(2H-1,2,3-triazol-2-yl)benzoyl]-6-(2-phenylpyrimidin-4-yl)-3,6-diazabicyclo[3.2.1]octane;
- 6-Chloro-2-{3-[5-methyl-2-(2H-1,2,3-triazol-2-yl)benzoyl]-3,6-diazabicyclo[3.2.1]oct-6-yl}-1,3-benzothiazole;
- 5-Chloro-2-{3-[5-methyl-2-(2H-1,2,3-triazol-2-yl)benzoyl]-3,6-diazabicyclo[3.2.1]oct-6-yl}-1,3-benzoxazole;
- 3-[5-Methyl-2-(2H-1,2,3-triazol-2-yl)benzoyl]-6-(4-phenylpyrimidin-2-yl)-3,6-diazabicyclo[3.2.1]octane;
- 6,7-Difluoro-2-{3-[5-methyl-2-(2H-1,2,3-triazol-2-yl)benzoyl]-3,6-diazabicyclo[3.2.1]oct-6-yl}quinoxaline;
- 2-{3-[5-Methyl-2-(2H-1,2,3-triazol-2-yl)benzoyl]-3,6-diazabicyclo[3.2.1]oct-6-yl}quinoxaline;
- or a pharmaceutically acceptable salt thereof.
Dependencies are inferred from the claim text.