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US 2008/0076783 A1Published application
Cycloalkyl Keto Piperidine Tachykinin Receptor Antagonists
AssigneeMerck & Co., Inc.
InventorsRobert DeVita, Sander Mills, Ronsar Eid, Jonathan Young
Life of this patent
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Abstract
The present invention is directed to certain piperidine compounds which are useful as neurokinin-1 (NK-1) receptor antagonists, and inhibitors of tachykinin and in particular substance P. The invention is also concerned with pharmaceutical formulations comprising these compounds as active ingredients and the use of the compounds and their formulations in the treatment of certain disorders, including emesis, urinary incontinence, depression, and anxiety.
Claims20
A compound of the formula I:
- wherein:
- Q is selected from the group consisting of
- (1) hydrogen,
- (2) C1-6 alkyl, and
- (3) C1-6 alkyl-OH;
- R1 is selected from the group consisting of:
- (1) cyclopentyl,
- (2) cyclohexyl, and
- (3) cyclopentenone,
- which is substituted with R1a, R1b and R1c, wherein R1a, R1b and R1c are independently selected from:
- (a) hydrogen,
- (b) C1-6 alkyl,
- (c) (C1-6 alkyl)-phenyl,
- (d) (C1-6 alkyl)-hydroxy,
- (e) (C1-6 alkyl)-(C1-4 alkoxy),
- (f) hydroxy,
- (g) oxo,
- (h) C1-6 alkoxy,
- (i) phenyl-C1-13 alkoxy,
- (j) phenyl,
- (k) —CN,
- (l) halo,
- (m)—NR9R10, wherein R9 and R10 are independently selected from:
- (I) hydrogen,
- (II) C1-6 alkyl,
- (III) phenyl,
- (IV) (C1-6 alkyl)-phenyl,
- (V) (C1-6 alkyl)-hydroxy, and
- (VI) (C1-6 alkyl)-(C1-4 alkoxy),
- (n) —NR9—COR10,
- (o)—NR9—CO2R10,
- (p) heterocycle, wherein heterocycle is selected from the group consisting of:
- (A) imidazolyl,
- (B) isooxazolyl,
- (C) oxadiazolyl,
- (D) oxazolyl,
- (E) pyrazinyl,
- (F) pyrazolyl,
- (G) pyridazinyl,
- (H) pyridyl,
- (I) pyrimidyl,
- (J) pyrrolyl,
- (K) quinolyl,
- (L) tetrazolyl, and
- (M) triazolyl,
- and where heterocycle is unsubstituted or substituted with C1-6 alkyl or halo;
- (q)-cyclopentenone, which is unsubstituted or substituted with C1-6 alkyl,
- (r) —NR9-cyclopentenone, where the cyclopentenone is unsubstituted or substituted with C1-6 alkyl,
- (s) —CO—NR9R10,
- (t) —SO—NR9R10,
- (u) —SO2—NR9R10,
- (v) —COR9, and
- (w) —CO2R9;
- R6, R7 and R8 are independently selected from the group consisting of:
- (1) hydrogen,
- (2) C1-6alkoxy,
- (3) halo,
- (4) C1-6 alkyl, unsubstituted or substituted with one or more of the substituents selected from:
- (a) hydroxy,
- (b) oxo,
- (c) C1-6 alkoxy,
- (d) phenyl-C1-3 alkoxy,
- (e) phenyl,
- (f) —CN,
- (g) halo,
- (h) —NR9R10,
- (i) —NR9—COR10,
- (j) —NR9—CO2R10,
- (k) —CO—NR9R10,
- (l)—COR9,
- (m)—CO2R9,
- (5) hydroxy,
- (6) —CN,
- (7) —CF3,
- (8) —NO2,
- (9) —SR14, wherein R14 is hydrogen or C1-6alkyl,
- (10) —SOR14,
- (11) —SO2R14,
- (12) —NR9—COR10,
- (13) —CO—NR9—COR10,
- (14) —NR9R10,
- (15) —NR9—CO2R10,
- (16) —COR9, and
- (17) —CO2R9;
- R11, R12 and R13 are independently selected from:
- (1) hydrogen,
- (2) C1-6 alkyl, unsubstituted or substituted with one or more of the substituents selected from:
- (a) hydroxy,
- (b) oxo,
- (c) C1-6 alkoxy,
- (d) phenyl-C1-3 alkoxy,
- (e) phenyl,
- (f) —CN,
- (g) halo,
- (h) —NR9R10,
- (i) —NR9—COR10,
- (j)—NR9—CO2R10,
- (k) —CO—NR9R10,
- (l) —COR9,
- (m)—CO2R9;
- (3) halo,
- (4) —CN,
- (5) —CF3,
- (6) —NO2,
- (7) hydroxy,
- (8) C1-6alkoxy,
- (9) —COR9, and
- (10) —CO2R9;
- and pharmaceutically acceptable salts and individual diasteromers thereof.
106 more elements
A compound which is selected from the group consisting of:
- (3S,4S)-4-{(1R)-1-[3,5-bis(trifluoromethyl)phenyl]ethoxy}-3-(4-fluorophenyl) 1-{[cis-4-(4H-1,2,4-triazol-4-yl)cyclohexyl]carbonyl}piperidine;
- (3S,4S)-4-{(1R)-1-[3,5-bis(trifluoromethyl)phenyl]ethoxy}-3-(4-fluorophenyl)-1-{[trans-4-(4H-1,2,4-triazol-4-yl)cyclohexyl]carbonyl}piperidine;
- (3S,4S)-4-{(1R)-1-[3,5-bis(trifluoromethyl)phenyl]ethoxy}-3-(4-fluorophenyl)-1-{[(1R,3R)-3-(4H-1,2,4-triazol-4-yl)cyclopentyl]carbonyl}piperidine;
- (3S,4S)-4-{(1R)-1-[3,5-bis(trifluoromethyl)phenyl]ethoxy}-3-(4-fluorophenyl)-1-{[(1R,3R)-3-(41]-1,2,4-triazol-4-yl)cyclopentyl]carbonyl}piperidine;
- (3S,4S)-4-{(1R)-1-[3,5-bis(trifluoromethyl)phenyl]ethoxy}-3-(4-fluorophenyl) 1-{[(1R,3R)-3-(4H-1,2,4-triazol-4-yl)cyclopentyl]carbonyl}piperidine;
- (3S,4S)-4 {(1R)-1-[3,5-bis(trifluoromethyl)phenyl]ethoxy}-3-(4-fluorophenyl}-1-([(1 S,3R)-3-(4H-1,2,4-triazol-4-yl)cyclopentyl]carbonyl}piperidine;
- 4-(4-{[(3S,4S)-4-{(1R)-1-[3,5-bis(trifluoromethyl)phenyl]ethoxy}-3-(4-fluorophenyl)piperidin-1-yl]methyl}piperidin-1-yl)pyrimidine;
- and pharmaceutically acceptable salts thereof.
5 more elements
Dependencies are inferred from the claim text.