Substituted piperidines and methods of use
First Claim
Patent Images
1. A compound of Formula I wherein Y is —
- NH—
;
wherein R is phenyl ortho substituted with a radical selected from R4 and optionally substituted with a radical selected from R4;
wherein R1a, R1b, R1c, R1d, R1e, and R1f are independently selected from R4;
or wherein R1a and R1b or R1d and R1c form oxo;
wherein R2 is selected from a)—
(CH2)n—
C3-6-cycloalkyl, b)—
(CH2)n-phenyl, c)—
(CH2)n-5-10-membered heterocyclyl, and wherein the cycloalkyl and aryl groups are optionally substituted with 1 to 3 radicals selected from R4; and
the heterocyclyl groups are optionally substituted with 1 to 3 radicals selected from R4 and oxo;
wherein R3 is independently selected from H, chloro, bromo, iodo, phenyl, fluoro, amino, C1-2-alkyl, C1-2-haloalkyl, C1-2-haloalkoxy, and C1-2-alkoxy;
wherein R4 is selected from H, C1-2-alkyl, —
(CH2)n—
C5-6-cycloalkyl, —
(CH2)n-phenyl, —
(CH2)n-4-10-membered heterocyclyl, fluoro, chloro, —
(CH2)n—
OR9a, —
NR9aSO2R7, —
NR9aR9b, C(O)NR9aR9b, —
NR9aC(O)R7, cyano, nitro, —
(CH2)n—
C(O)R7, —
C(O)OR9a, —
(CH2)n—
C(S)R7, —
(CH2)n—
C═
(NR9a)R7, —
NR9aC═
(NR9a)N(R7)2, —
[C(R7)2]pNR9aR9b, —
[CH2]pNR9aSO2R7, —
[CH2]pNR9aC(O)R7, —
SO2NR9aR9b, —
S(O)mR7, —
C(R7)2SO2CF3, C1-2-hydroxyalkyl C1-2-haloalkyl and C1-2-haloalkoxy;
wherein R5 is selected from halo, —
OR9a, —
NR9aR9b, —
[C(R7)2]nNR9aR9b, and —
SO2NR9aR9b;
wherein R6 is naphthyl or phenyl optionally substituted with one or two R3;
wherein R7 is selected from H, C1-4-alkyl, —
(CH2)n—
C3-6-cycloalkyl, —
(CH2)n-4-10-membered heterocyclyl, —
(CH2)n-phenyl, amino-C1-4-alkyl, C1-4-alkylamino, C2-4-alkenyl, C1-4-alkylthio-C1-4-alkyl, C1-4-alkylcarbonylamino-C1-4-alkyl, C1-4-alkylamino-C1-4-alkyl, C1-4-alkoxy-C1-4-alkyl and C1-4-alkoxy;
wherein R8 is selected from a) amino-C1-4-alkylamino, b) amino-C1-4-alkyl, c) C1-4-alkylamino-C1-4-alkylamino, d) C1-4-alkylamino-C1-4-alkyl, e) phenyl-C1-4-alkylamino-C1-4-alkyl, f) phenylamino-C1-4-alkyl, g) 4-10-membered heterocyclyl-C1-4-alkylamino-C1-4-alkyl, h) N-(4-10-membered heterocyclyl-C1-4-alkyl)amino, i) C1-4-alkyl, j) C3-6-cycloalkyl-(CH2) n—
, k) aryl-(CH2)n—
, l) 4-10-membered heterocyclyl-(CH2)n—
, m) R9aO—
, n) amino-C1-4-alkoxy, o) phenyl-C1-4-alkyl where the alkyl portion is substituted with amino, hydroxy or C1-4-alkylamino, and p) 4-10-membered heterocyclyl-C1-4-alkylenyl where the alkylenyl portion is substituted with amino, hydroxy or C1-4-alkylamino;
wherein the cycloalkyl and aryl groups are optionally substituted with 1 to 3 groups selected from R4; and
the heterocyclyl groups are optionally substituted with 1 to 3 groups selected from R4 and oxo;
wherein R9a is selected from H, C1-6-alkyl, C3-6-cycloalkyl-(CH2)n—
, 4-10-membered heterocyclyl-(CH2)n—
, and phenyl-(CH2)n—
;
wherein R9b is selected from H, C1-6-alkyl, C2-6-alkenyl, C3-6-cycloalkyl-(CH2)n—
, 4-10-membered heterocyclyl-(CH2)n—
, phenyl-(CH2) n—
, amino-C1-6-alkyl, C1-6-alkylcarbonylamino-C1-6-alkyl, C3-6-cycloalkylamino-C1-6-alkyl, C3-6-cycloalkyl-C1-6-alkylamino-C1-6-alkyl, 5-6-membered heteroarylamino-C1-6-alkyl, 5-6-membered heteroaryl-C1-6-alkylamino-C1-6-alkyl, phenylamino-C1-6-alkyl, phenyl-C1-6-alkylamino-C1-6-alkyl, 5-6-membered heteroaryloxy-C1-6-alkyl, 5-6-membered heteroaryl-C1-6-alkyloxy-C1-6-alkyl, phenyl-C1-6-alkyloxy-C1-6-alkyl, phenyloxy-C1-6-alkyl, C1-6-alkylthio-C1-6-alkyl, C1-6-alkylamino-C1-6-alkyl, C1-6-hydroxyalkyl and C1-6-alkoxy-C1-6-alkyl;
wherein Ra are independently H or methyl;
wherein k is 1;
wherein m is 0, 1 or 2;
wherein n is 0, 1, 2 or 3;
wherein p is 1 or 2; and
wherein q is 1;
and a pharmaceutically-acceptable salt thereof;
provided R2 is not —
CO2(tert-butyl) when R4 is hydrogen or methoxy and when R6 is phenyl.
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Abstract
Selected substituted piperidine compounds are effective for prophylaxis and treatment of diseases, such as obesity and the like. The invention encompasses novel compounds, analogs, prodrugs and pharmaceutically acceptable salts thereof, pharmaceutical compositions and methods for prophylaxis and treatment of diseases and other maladies or conditions involving activation of the melanocortin receptor. The subject invention also relates to processes for making such compounds as well as to intermediates useful in such processes.
25 Citations
19 Claims
-
1. A compound of Formula I
wherein Y is — - NH—
;
wherein R is phenyl ortho substituted with a radical selected from R4 and optionally substituted with a radical selected from R4;
wherein R1a, R1b, R1c, R1d, R1e, and R1f are independently selected from R4;
or wherein R1a and R1b or R1d and R1c form oxo;
wherein R2 is selected from a)—
(CH2)n—
C3-6-cycloalkyl,b)—
(CH2)n-phenyl,c)—
(CH2)n-5-10-membered heterocyclyl, andwherein the cycloalkyl and aryl groups are optionally substituted with 1 to 3 radicals selected from R4; and
the heterocyclyl groups are optionally substituted with 1 to 3 radicals selected from R4 and oxo;
wherein R3 is independently selected from H, chloro, bromo, iodo, phenyl, fluoro, amino, C1-2-alkyl, C1-2-haloalkyl, C1-2-haloalkoxy, and C1-2-alkoxy;
wherein R4 is selected from H, C1-2-alkyl, —
(CH2)n—
C5-6-cycloalkyl, —
(CH2)n-phenyl, —
(CH2)n-4-10-membered heterocyclyl, fluoro, chloro, —
(CH2)n—
OR9a, —
NR9aSO2R7, —
NR9aR9b, C(O)NR9aR9b, —
NR9aC(O)R7, cyano, nitro, —
(CH2)n—
C(O)R7, —
C(O)OR9a, —
(CH2)n—
C(S)R7, —
(CH2)n—
C═
(NR9a)R7, —
NR9aC═
(NR9a)N(R7)2, —
[C(R7)2]pNR9aR9b, —
[CH2]pNR9aSO2R7, —
[CH2]pNR9aC(O)R7, —
SO2NR9aR9b, —
S(O)mR7, —
C(R7)2SO2CF3, C1-2-hydroxyalkyl C1-2-haloalkyl and C1-2-haloalkoxy;
wherein R5 is selected from halo, —
OR9a, —
NR9aR9b, —
[C(R7)2]nNR9aR9b, and —
SO2NR9aR9b;
wherein R6 is naphthyl or phenyl optionally substituted with one or two R3;
wherein R7 is selected from H, C1-4-alkyl, —
(CH2)n—
C3-6-cycloalkyl, —
(CH2)n-4-10-membered heterocyclyl,—
(CH2)n-phenyl, amino-C1-4-alkyl, C1-4-alkylamino, C2-4-alkenyl, C1-4-alkylthio-C1-4-alkyl, C1-4-alkylcarbonylamino-C1-4-alkyl, C1-4-alkylamino-C1-4-alkyl, C1-4-alkoxy-C1-4-alkyl and C1-4-alkoxy;
wherein R8 is selected from a) amino-C1-4-alkylamino, b) amino-C1-4-alkyl, c) C1-4-alkylamino-C1-4-alkylamino, d) C1-4-alkylamino-C1-4-alkyl, e) phenyl-C1-4-alkylamino-C1-4-alkyl, f) phenylamino-C1-4-alkyl, g) 4-10-membered heterocyclyl-C1-4-alkylamino-C1-4-alkyl, h) N-(4-10-membered heterocyclyl-C1-4-alkyl)amino, i) C1-4-alkyl, j) C3-6-cycloalkyl-(CH2) n—
,k) aryl-(CH2)n—
,l) 4-10-membered heterocyclyl-(CH2)n—
,m) R9aO—
,n) amino-C1-4-alkoxy, o) phenyl-C1-4-alkyl where the alkyl portion is substituted with amino, hydroxy or C1-4-alkylamino, and p) 4-10-membered heterocyclyl-C1-4-alkylenyl where the alkylenyl portion is substituted with amino, hydroxy or C1-4-alkylamino;
wherein the cycloalkyl and aryl groups are optionally substituted with 1 to 3 groups selected from R4; and
the heterocyclyl groups are optionally substituted with 1 to 3 groups selected from R4 and oxo;
wherein R9a is selected from H, C1-6-alkyl, C3-6-cycloalkyl-(CH2)n—
, 4-10-membered heterocyclyl-(CH2)n—
, and phenyl-(CH2)n—
;
wherein R9b is selected from H, C1-6-alkyl, C2-6-alkenyl, C3-6-cycloalkyl-(CH2)n—
, 4-10-membered heterocyclyl-(CH2)n—
, phenyl-(CH2) n—
, amino-C1-6-alkyl, C1-6-alkylcarbonylamino-C1-6-alkyl, C3-6-cycloalkylamino-C1-6-alkyl, C3-6-cycloalkyl-C1-6-alkylamino-C1-6-alkyl, 5-6-membered heteroarylamino-C1-6-alkyl, 5-6-membered heteroaryl-C1-6-alkylamino-C1-6-alkyl, phenylamino-C1-6-alkyl, phenyl-C1-6-alkylamino-C1-6-alkyl, 5-6-membered heteroaryloxy-C1-6-alkyl, 5-6-membered heteroaryl-C1-6-alkyloxy-C1-6-alkyl, phenyl-C1-6-alkyloxy-C1-6-alkyl, phenyloxy-C1-6-alkyl, C1-6-alkylthio-C1-6-alkyl, C1-6-alkylamino-C1-6-alkyl, C1-6-hydroxyalkyl and C1-6-alkoxy-C1-6-alkyl;
wherein Ra are independently H or methyl;
wherein k is 1;
wherein m is 0, 1 or 2;
wherein n is 0, 1, 2 or 3;
wherein p is 1 or 2; and
wherein q is 1;
and a pharmaceutically-acceptable salt thereof;
provided R2 is not —
CO2(tert-butyl) when R4 is hydrogen or methoxy and when R6 is phenyl. - View Dependent Claims (2, 3, 4, 5, 6, 7, 17, 18, 19)
- NH—
-
8. A compound of Formula II
wherein R10 is selected from H, chloro or fluoro; - or wherein R10 is a C1-4-alkylene bridge;
wherein R12 is selected from optionally substituted phenyl-C1-2-alkylenyl, optionally substituted 5-10 membered heteroaryl and provided the optionally substituted heterocyclyl is not nitro substituted; wherein R13a and R13b are independently selected from H, fluoro, iodo, bromo, chloro, C1-2-alkyl, C1-2-haloalkyl, phenyl, and C1-2-alkoxy;
or wherein R13a and R13b together form an C1-4-alkenylenyl bridge;
wherein R14 is selected from R19R20N—
, R19R20N—
C1-4-alkyl, (R21R22N—
)(O═
)C—
, C1-4-haloalkyl, C2-4-hydroxyalkyl, heterocyclyloxy-C1-4-alkyl, aryloxy-C1-4-alkyl and C1-4-alkoxycarbonyl;
wherein R15 is selected from H, C1-2-haloalkyl, C1-4-alkyl, halo, —
OR17, and —
N(R17)2;
wherein R16 is selected from a) 4-6 membered saturated heterocyclyl, b) 10 membered partially unsaturated heterocyclyl, c) 5-10 membered heteroaryl, d) C1-4-aminoalkyl, e) C1-4-aminoalkylamino, f) C1-4-alkylamino-C1-4-alkylamino, g) C1-4-alkylamino-C1-4-alkyl, h) arylamino-C1-4-alkyl, i) aryl-C1-4-alkylamino-C1-4alkyl, j) heterocyclyl-C1-4-alkylamino-C1-4-alkyl, k) aryl, provided if 2-substituted aryl, is 2-substituted with amino or chloro, l) C1-4-alkyl, m) aralkyl, n) heterocyclyl-C1-4-alkyl, provided R16 is not 3-methylindol-1-ylethyl, o) C5-6-cycloalkyl, p) C1-4-aminoalkoxy, q) heterocyclyl-C1-4-alkoxy, r) N-(heterocyclyl-C1-4-alkyl)amino, s) aryl-C1-4-alkyl where the alkyl portion is substituted with amino, hydroxy or —
C1-4-alkylamino, andt) heterocyclyl-C1-4-alkylenyl where the alkylenyl portion is substituted with amino, hydroxy or —
C1-4-alkylamino;
wherein R17 is selected from H, C1-4-alkyl, C3-7-cycloalkyl-(CH2)n—
, and aryl-(CH2)n—
;
wherein R19 is selected from H, R23SO2—
, C1-6-alkyl, C3-7-cycloalkyl-(CH2)n—
, amino-C1-6-alkyl, C1-6-alkylamino-C1-6-alkyl, C3-7-cycloalkylamino-C1-6-alkyl, C3-7-cycloalkyl-C1-6-alkylamino-C1-6-alkyl, heteroarylamino-C1-6-alkyl, heteroaryl-C1-6-alkylamino-C1-6-alkyl, arylamino-C1-6-alkyl, aryl-C1-6-alkylamino-C1-6-alkyl, heteroaryloxy-C1-6-alkyl, heteroaryl-C1-6-alkyloxy-C1-6-alkyl, aryloxy-C1-6-alkyl, aryl-C1-6-alkyloxy-C1-6-alkyl, hydroxy-C1-6-alkyl, C1-6-alkylthio-C1-6-alkyl, C1-6-alkoxy-C1-6-alkyl, C1-6-alkylcarbonyl, C1-6-alkoxycarbonyl, C1-6-alkoxy-C1-6-alkylcarbonyl, C1-6-alkylaminocarbonyl, arylcarbonyl, aralkylcarbonyl, C3-7-cycloalkylcarbonyl, C3-7-cycloalkyl-C1-6-alkylcarbonyl, heteroaryl-C1-6-alkylcarbonyl and heteroarylcarbonyl;
wherein R20 is selected from H, C1-8-alkyl, C3-7-cycloalkyl-(CH2)n—
, C1-3-alkylsulfonyl, amino-C1-3-alkyl, heterocyclyl-(CH2)n—
, and aryl-(CH2)n;
alternatively R19 and R20 together with the nitrogen atom form a 4-8 membered heterocyclic ring;
wherein R21 is selected from H, C1-6-alkyl, C2-6-alkenyl, C1-6-alkylthio-C1-6-alkyl, C1-6-alkylcarbonylamino-C1-6alkyl, amino-C1-6-alkyl, heterocyclyl-(CH2)n—
, C3-7-cycloalkyl-(CH2)n—
, and aryl-(CH2)n—
;
wherein R22 is selected from H, C1-6-alkyl, C3-7-cycloalkyl-(CH2)n—
, heterocyclyl-(CH2)n— and
aryl-(CH2)n—
;
alternatively R21 and R22 together with the amide nitrogen atom form a 4-7 membered saturated heterocyclic ring;
wherein R23 is selected from H, C1-6-alkyl, C3-7-cycloalkyl-(CH2)n—
, heterocyclyl-(CH2)n— and
aryl-(CH2)n—
;
wherein n is 0, 1, 2 or 3; and
wherein m is 0, 1 or 2;
wherein aryl, heterocyclyl and cycloalkyl are optionally substituted with one or more substituents selected from C1-2-haloalkyl, C1-3-alkyl, C3-6-cycloalkyl-(CH2)n—
, chloro, fluoro, —
OR17, —
NR17SO2R17, N(R17)2, cyano, —
COR17, —
C(R17)2N(R17) 2, nitro, —
SO2N(R17)2, S(O)mR17, and C1-3-haloalkoxy;
and a pharmaceutically-acceptable salt thereof. - View Dependent Claims (9, 10, 11, 12, 13, 14, 15, 16)
N-methoxymethylcarbonyl-N-cyclopropylmethylamino, N-methylcarbonyl-N-cyclopropylmethylamino, N-phenylcarbonyl-N-cyclopropylmethylamino, N-(3-methoxyphenylcarbonyl-N-cyclopropylmethylamino, N-benzylcarbonyl-N-cyclopropylmethylamino, N-cyclohexylcarbonyl-N-cyclopropylmethylamino, N-thienylmethylcarbonyl-N-cyclopropylmethylamino, N-phenylethyl-N-cyclopropylmethylamino, N-(2-imidazolyl)-N-cyclopropylmethylamino, N-(4-methyl-5-imidazolyl)-N-cyclopropylmethylamino, N-(4-methyl-5-imidazolylmethyl)-N-cyclopropylmethylamino, N-(4-imidazolylmethyl)-N-cyclopropylmethylamino, N-(5-imidazolylmethyl)-N-cyclopropylmethylamino, N-(2-thienylmethyl)-N-cyclopropylmethylamino, N-(3-thienylmethyl)-N-cyclopropylmethylamino, N-(3-furylmethyl)-N-cyclopropylmethylamino, N-(4-imidazolyl)-N-cyclopropylmethylamino, N-cyclopentylcarbonyl-N-cyclopropylmethylamino, N-cyclohexylcarbonyl-N-cyclopropylmethylamino, N-methylthiopropyl-N-cyclopropylmethylamino, N-ethylcarbonyl-N-cyclopropylmethylamino, N-isopropylcarbonyl-N-cyclopropylmethylamino, N-isobutylcarbonyl-N-cyclopropylmethylamino, N-ethyl-N-cyclopropylmethylamino, N-isobutyl-N-cyclopropylmethylamino, N-cyclopropylcarbonyl-N-cyclopropylmethylamino, N,N-di(cyclopropylmethyl)amino, N-methoxymethylcarbonyl-N-aminoethylamino, N-ethylcarbonyl-N-aminoethylamino, N-isopropylcarbonyl-N-aminoethylamino, N-isobutylcarbonyl-N-aminoethylamino, N-tert-butylcarbonyl-N-aminoethylamino, N-propylcarbonyl-N-aminoethylamino, N-pentylcarbonyl-N-aminoethylamino, N-ethyl-N-aminoethylamino, N-propyl-N-aminoethylamino, N-cyclopropyl-N-aminoethylamino, N-cyclopropylmethyl-N-aminoethylamino, N-cyclobutylmethyl-N-aminoethylamino, N-butyl-N-aminoethylamino, N-pentyl-N-aminoethylamino, N-hexyl-N-aminoethylamino, N-heptyl-N-aminoethylamino, N-(3-ethylbutyl)-N-aminoethylamino, N-cyclohexylcarbonyl-N-aminoethylamino, N-phenylcarbonyl-N-aminoethylamino, N-(3-methoxyphenyl)carbonyl-N-aminoethylamino, N-benzylcarbonyl-N-aminoethylamino, N-phenylethylcarbonyl-N-aminoethylamino, N-pyridylcarbonyl-N-aminoethylamino, N-thienylmethyl-N-aminoethylamino, aminoethylamino, pyridylcarbonylamino, N-cyclopropylmethylamino, methylcarbonylamino, methoxycarbonylamino, trifluoromethyl, 2-hydroxyethyl, 1-hydroxyethyl, methylaminocarbonylamino, 1,1-dioxo-isothiazolidin-2-yl, 2-oxo-imidazolin-1-yl and 3-methyl-2-oxo-imidazolin-1-yl;
and pharmaceutically-acceptable salts thereof.
- or wherein R10 is a C1-4-alkylene bridge;
-
12. A compound of claim 10 wherein R12 is selected from
and wherein R16 is selected from a) 4-6 membered saturated heterocyclyl, b) 10 membered partially saturated heterocyclyl, c) 5-10 membered heteroaryl, d) C1-3-aminoalkyl, e) C1-3-aminoalkylamino, f) C1-3-alkylamino-C1-3-alkylamino, g) C1-3-alkylamino-C1-3-alkyl, h) phenylamino-C1-3-alkyl, i) phenyl-C1-4-alkylamino-C1-3-alkyl, j) heterocyclyl-C1-3-alkylamino-C1-3-alkyl, k) phenyl, naphthyl or tetrahydronaphthyl, l) C1-3-alkyl, m) phenyl-C1-2-alkyl, n) 5-10-membered saturated or partially unsaturated heterocyclylmethyl, o) 5-6 membered heteroaryl-C1-4-alkyl, p) optionally substituted C5-6-cycloalkyl, q) C1-3-aminoalkoxy, r) [5- or 6-membered heterocyclyl]— - C1-3-alkoxy,
s) N-(5-10-membered heterocyclyl-C1-3-alkyl)amino, t) phenyl-C1-2-alkyl where the alkyl portion is substituted with amino, hydroxy or C1-3-alkylamino, and u) 5- or 6-membered heterocyclyl-C1-3-alkylenyl where the alkylenyl portion is substituted with amino, hydroxy or C1-3-alkylamino;
wherein the heterocyclyl, aryl and cycloalkyl groups are optionally substituted;
and pharmaceutically-acceptable salts thereof.
- C1-3-alkoxy,
-
13. A compound of claim 12 wherein R16 is selected from N-(piperidylmethyl)amino, aminopropylamino, aminomethyl, aminoethyl, aminopropyl, N-methylaminomethyl, N-(4-chlorophenyl)aminoethyl, N-methylaminoethyl, N,N-dimethylaminoethyl, 2-aminoethyl, aminopropoxy, pyrrolidinylmethoxy, N-methylaminoethylamino, 3-aminocyclopentyl, 4-aminocyclohexyl, 1-aminocyclohexyl, 2-indolyl, octahydro-indolyl, 1-methylindol-2-yl, 3-pyridyl, 2-pyridyl, N-methylbenzopyrrolyl, 5-benzopyrrolyl, 2-benzofuran, benzodioxolyl, 2-benzothienyl, 4-imidazolylmethyl, 3-azetidinyl optionally
N-substituted with a substituent selected from methyl, ethyl, propyl, isopropyl, butyl, isobutyl, pentyl, cyclohexylmethyl and benzyl, 6-quinolyl, 2-quinolyl, 3-isoquinolyl, tetrahydroisoquinolyl, N-methylpyrrolidin-2-yl, pyrrolidin-2-yl, 5-oxopyrrolidin-2-yl, 3-phenylpyrrolidin-2-yl, (1-methyl-5-oxo-2-(pyridin-3-yl)-pyrrolidin-3-yl)methyl, thienyl, 4-piperidyl, 4-piperidylmethyl, N-methyl-4-piperidyl, N-methyl-2-piperidyl, N-ethyl-4-piperidyl, N-isobutyl-4-piperidyl, 3-piperidyl, 3-(aminomethyl)phenyl, 4-(trifluoromethyl)phenyl, 3-(trifluoromethyl)phenyl, 2-methylphenyl, 4-methoxyphenyl, 4-chlorophenyl, 3-chlorophenyl, 2-chlorophenyl, 3,4-dichlorophenyl, 4-fluorophenyl, 3-fluorophenyl, 2-aminophenyl, 3-aminophenyl, isopropyl, 4-chlorophenylmethyl, benzyl, phenyl-2-hydroxyethyl, 1-(amino)benzyl, 2-(1,2,3,4-tetrahydronaphthyl), naphthyl, (2-benzylamino)ethyl, imidazol-4-yl-(1-amino)ethyl, phenyl-1-(methylamino)ethyl and phenyl-1-(amino)ethyl; and pharmaceutically-acceptable salts thereof.
-
14. A compound of claim 13 and pharmaceutically acceptable salts thereof selected from
N-[(1R)-1-[(4-chlorophenyl)methyl]-2-(4-{2-[(methylsulfonyl)amino]phenyl}-piperidyl)-2-oxoethyl]((3S)(3-1,2,3,4-tetrahydroisoquinolyl))carboxamide; -
N-[(1R)-1-[(4-chlorophenyl)methyl]-2-(4-{2-[(methylsulfonyl)amino]phenyl}-piperidyl)-2-oxoethyl]((2S)-1-methylpyrrolidin-2-yl)carboxamide;
N-[(1R)-1-[(4-chlorophenyl)methyl]-2-(4-{2-[(methylsulfonyl)amino]phenyl}-piperidyl)-2-oxoethyl]((3S,1R)-3-aminocyclopentyl)carboxamide;
N-[(1R)-1-[(4-chlorophenyl)methyl]-2-(4-{2-[(methylsulfonyl)amino]phenyl}-piperidyl)-2-oxoethyl]((1S,3R)-3-aminocyclopentyl)carboxamide;
N-[(1R)-1-[(4-chlorophenyl)methyl]-2-(4-{2-[(methylsulfonyl)amino]phenyl}-piperidyl)-2-oxoethyl](5-oxopyrrolidin-2-yl)carboxamide;
N-[(1R)-1-[(4-chlorophenyl)methyl]-2-(4-{2-[(methylsulfonyl)amino]phenyl}-piperidyl)-2-oxoethyl]azetidin-3-ylcarboxamide;
N-[(1R)-1-[(4-chlorophenyl)methyl]-2-(4-{2-[(methylsulfonyl)amino]phenyl}-piperidyl)-2-oxoethyl]-2-(4-piperidyl)acetamide;
N-[(1R)-1-[(4-chlorophenyl)methyl]-2-(4-{2-[(methylsulfonyl)amino]phenyl}-piperidyl)-2-oxoethyl]((2S,3R)-3-phenylpyrrolidin-2-yl)carboxamide;
N-[(1R)-1-[(4-chlorophenyl)methyl]-2-(4-{2-[(methylsulfonyl)amino]phenyl}-piperidyl)-2-oxoethyl]((2S)pyrrolidin-2-yl)carboxamide;
((3S)(3-1,2,3,4-tetrahydroisoquinolyl))-N-[(1R)-1-[(3,4-dichlorophenyl)methyl]-2-(4-{2-[(methylsulfonyl)amino]phenyl}piperidyl)-2-oxoethyl]carboxamide;
N-[(1R)-1-[(4-chlorophenyl)methyl]-2-(4-{2-[(cyclopropylmethyl)-(methylsulfonyl)amino]phenyl}piperidyl)-2-oxoethyl]((3S)(3-1,2,3,4-tetrahydroisoquinolyl))carboxamide;
N-[(1R)-1-[(4-cChlorophenyl)methyl]-2-(4-{2-[(cyclopropylmethyl)-(methylsulfonyl)amino]phenyl}-piperidyl)-2-oxoethyl]azetidin-3-ylcarboxamide;
N-((1R)-1-[(4-chlorophenyl)methyl]-2-oxo-2-{4-[2-(trifluoromethyl)phenyl]-piperidyl}ethyl)((3S)(3-1,2,3,4-tetrahydroisoquinolyl))carboxamide;
N-((1R)-1-[(4-chlorophenyl)methyl]-2-{4-[2-(hydroxyethyl)phenyl]piperidyl}-2-oxoethyl)((3S)(3-1,2,3,4-tetrahydroisoquinolyl))carboxamide;
N-[(1R)-2-(4-{2-[(2-aminoethyl)(methylsulfonyl)amino]-phenyl}piperidyl)-1-[(4-chlorophenyl)methyl]-2-oxoethyl]((3S)(3-1,2,3,4-tetrahydroisoquinolyl))-carboxamide;
((3S)(3-1,2,3,4-tetrahydroisoquinolyl))-N-((1R)-1-[(4-chlorophenyl)methyl]-2-{4-[2-(3-methyl-2-oxo(4-imidazolinyl))phenyl]piperidyl}-2-oxoethyl)carboxamide;
((3S)(3-1,2,3,4-tetrahydroisoquinolyl))-N-((1R)-1-[(4-chlorophenyl)methyl]-2-oxo-2-{4-(2-(2-oxo(4-imidazolinyl))phenyl]piperidyl}ethyl)carboxamide;
N-((1R)-1-[(4-chlorophenyl)methyl]-2-oxo-2-{4-[2-(2-oxo(4-imidazolinyl))phenyl]-piperidyl}ethyl)azetidin-3-ylcarboxamide;
tert-butyl 3-(N-{(1R)-2-[4-(2-aminophenyl)piperidyl]-1-[(4-chlorophenyl)methyl]-2-oxoethyl}carbamoyl)(3S)-1,2,3,4-tetrahydroisoquinoline-2-carboxylate;
N-{(1R)-1-[(4-chlorophenyl)methyl]-2-[4-(2-{([(2-cyanophenyl)sulfonyl]amino}-phenyl)piperidyl]-2-oxoethyl}((3S)(3-1,2,3,4-tetrahydroisoquinolyl))carboxamide;
N-{(1R)-1-[(4-chlorophenyl)methyl]-2-oxo-2-[4-(2-{[(2,4,6-trimethylphenyl)sulfonyl]amino}phenyl)piperidyl]ethyl}((3S)(3-1,2,3,4-tetrahydroisoquinolyl))carboxamide;
N-[(1R)-1-[(4-chlorophenyl)methyl]-2-(4-{2-[(methylamino)carbonylamino]-phenyl}piperidyl)-2-oxoethyl]((3S)(3-1,2,3,4-tetrahydroisoquinolyl))carboxamide;
N-((1R)-1-[(4-chlorophenyl)methyl]-2-{4-[2-(methoxycarbonylamino)phenyl]piperidyl}-2-oxoethyl)((3S)(3-1,2,3,4-tetrahydroisoquinolyl))carboxamide;
N-[(1R)-1-[(4-chlorophenyl)methyl]-2-(4-{2-[(cyclopropylmethyl)amino]-phenyl}piperidyl)-2-oxoethyl]((3S)(3-1,2,3,4-tetrahydroisoquinolyl))carboxamide; and
N-[(1R)-2-(4-{2-[(2-aminoethyl)amino]phenyl}piperidyl)-1-[(4-chlorophenyl)methyl]-2-oxoethyl]((3S)(3-1,2,3,4-tetrahydroisoquinolyl))carboxamide.
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15. A compound of claim 10 wherein R12 is selected from optionally substituted benzyl, and optionally substituted 5-10-membered heteroaryl;
- and wherein R13a and R13b are independently H or chloro.
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16. A compound of claim 15 wherein R12 is selected from oxazolo[5,4-b]pyridin-2-yl, oxazolo[4,5-b]pyridin-2-yl, 4-chlorobenzyl, benzoxazol-2-yl and benzyl.
Specification