Substituted N-(indole-2-carbonyl) -amides and derivatives as glycogen phosphorylase inhibitors

A compound of Formula I

• 13
• and the pharmaceutically acceptable salts and prodrugs thereof wherein
• the dotted line (---) is an optional bond;
• A is —C(H)═, —C((C1-C4)alkyl)=or —C(halo)=when the dotted line (---) is a bond, or A is methylene or —CH((C1-C4)alkyl)- when the dotted line (---) is not a bond;
• R1, R10 or R11 are each independently H, halo, 4-, 6- or 7-nitro, cyano, (C1-C4)alkyl, (C1-C4)alkoxy, fluoromethyl, difluoromethyl or trifluoromethyl;
• R2 is H;
• R3 is H or (C1-C5)alkyl;
• R4 is H, methyl, ethyl, n-propyl, hydroxy(C1-C3)alkyl, (C1-C3)alkoxy(C1-C3)alkyl, phenyl (C1-C4)alkyl, phenylhydroxy(C1-C4)alkyl, phenyl (C1-C4)alkoxy(C1-C4)alkyl, thien-2- or -3-yl(C1-C4)alkyl or fur-2- or -3-yl(C1-C4)alkyl wherein said R4 rings are mono-, di- or tri-substituted independently on carbon with H, halo, (C1-C4)alkyl, (C1-C4)alkoxy, trifluoromethyl, hydroxy, amino or cyano;
• or
• R4 is pyrid-2-, -3- or 4-yl(C1-C4)alkyl, thiazol-2-, 4- or -5-yl(C1-C4)alkyl, imidazol -1-,-2-, 4- or -5-yl(C1-C4)alkyl, pyrrol-2- or -3-yl(C1-C4)alkyl, oxazol-2-, 4 or -5-yl-(C1-C4)alkyl, pyrazol-3-, 4- or -5-yl(C1-C4)alkyl, isoxazol-3-, 4- or -5-yl(C1-C4)alkyl, isothiazol-3-, 4- or -5-yl(C1-C4)alkyl, pyridazin-3- or 4-yl-(C1-C4)alkyl, pyrimidin-2-, 4-, -5- or -6-yl(C1-C4)alkyl, pyrazin-2- or -3-yl(C1-C4)alkyl or 1,3,5triazin-2-yl(C1-C4)alkyl, wherein said preceding R4 heterocycles are optionally mono- or di-substituted independently with halo, trifluoromethyl, (C1-C4)alkyl, (C1-C4)alkoxy, amino or hydroxy and said mono-or di-substituents are bonded to carbon;
• R5 is H, hydroxy, fluoro, (C1-C5)alkyl, (C1-C5)alkoxy, (C1-C6)alkanoyl, amino(C1-C4)alkoxy, mono-N- or di-N,N-(C1-C4)alkylamino(C1-C4)alkoxy, carboxy(C1-C4)alkoxy, (C1-C5)alkoxy-carbonyl(C1-C4)alkoxy, benzyloxycarbonyl(C1-C4)alkoxy, or carbonyloxy wherein said carbonyloxy is carbon-carbon linked with phenyl, thiazolyl, imidazolyl, 1H-indolyl, furyl, pyrrolyl, oxazolyl, pyrazolyl, isoxazolyl, isothiazolyl, pyridazinyl, pyrimidinyl, pyrazinyl or 1,3,5-triazinyl and wherein said preceding R) rings are optionally mono-substituted with halo, (C1-C4)alkyl, (C1-C4)alkoxy, hydroxy, amino or trifluoromethyl and said mono-substituents are bonded to carbon;
• R7 is H, fluoro or (C1-C5)alkyl;
• or
• R5 and R7 can be taken together to be oxo;
• R6 is carboxy, (C1-C8)alkoxycarbonyl, C(O)NR8R9 or C(O)R12,
• wherein
• R8 is H, (C1-C3)alkyl, hydroxy or (C1-C3)alkoxy;
• and
• R9 is H, (C1-C8)alkyl, hydroxy, (C1-C8)alkoxy, methylene-perfluorinated(C1-C8)alkyl, phenyl, pyridyl, thienyl, furyl, pyrrolyl, pyrrolidinyl, oxazolyl, thiazolyl, imidazolyl, pyrazolyl, pyrazolinyl, pyrazolidinyl, isoxazolyl, isothiazolyl, pyranyl, piperidinyl, morpholinyl, pyridazinyl, pyrimidinyl, pyrazinyl, piperazinyl or 1,3,5-triazinyl wherein said preceding R9 rings are carbon-nitrogen linked;
• or
• R9 is mono-, di- or tri-substituted (C1-C5)alkyl, wherein said substituents are independently H, hydroxy, amino, mono-N- or di-N,N-(C1-C5)alkylamino;
• or
• R9 is mono- or di-substituted (C1-C5)alkyl, wherein said substituents are independently phenyl, pyridyl, furyl, pyrrolyl, pyrrolidinyl, oxazolyl, thiazolyl, imidazolyl, pyrazolyl, pyrazolinyl, pyrazolidinyl, isoxazolyl, isothiazolyl, pyranyl, pyridinyl, piperidinyl, morpholinyl, pyridazinyl, pyrimidinyl, pyrazinyl, piperazinyl or 1,3,5-triazinyl
• wherein the nonaromatic nitrogen-containing R9 rings are optionally mono-substituted on nitrogen with (C1-C6)alkyl, benzyl, benzoyl or (C1-C6)alkoxycarbonyl and wherein the R9 rings are optionally mono-substituted on carbon with halo, (C1-C4)alkyl, (C1-C4)alkoxy, hydroxy, amino, or mono-N- and di-N,N(C1-C5)alkylamino provided that no quaternized nitrogen is included and there are no nitrogen-oxygen, nitrogen-nitrogen or nitrogen-halo bonds;
• R12 is piperazin-1-yl, 4-(C1-C4)alkylpiperazin-1-yl, 4-formylpiperazin-1-yl, morpholino, thiomorpholino, 1-oxothiomorpholino, 1,1-dioxo-thiomorpholino, thiazolidin-3-yl, 1-oxo-thiazolidin-3-yl, 1,1-dioxo-thiazolidin-3-yl, 2-(C1-C6)alkoxycarbonylpyrrolidin-1-yl, oxazolidin-3-yl or 2(R)-hydroxymethylpyrrolidin-1-yl;
• or
• R12 is 3- and/or 4-mono-or di-substituted oxazetidin-2-yl, 2-, 4-, and/or 5-mono- or di-substituted oxazolidin-3-yl, 2-, 4-, and/or 5- mono- or di-substituted thiazolidin-3-yl, 2-, 4-, and/or 5- mono- or di-substituted 1-oxothiazolidin-3-yl, 2-, 4-, and/or 5- mono- or di-substituted 1,1-dioxothiazolidin-3-yl, 3- and/or 4-, mono- or di-substituted pyrrolidin-1-yl, 3-, 4- and/or 5-, mono-, di- or tri-substituted piperidin-1-yl, 3-, 4-, and/or 5- mono-, di-, or tri-substituted piperazin-1-yl, 3-substituted azetidin-1-yl, 4- and/or 5-, mono- or di-substituted 1,2-oxazinan-2-yl, 3-and/or 4-mono- or di-substituted pyrazolidin-1-yl, 4- and/or 5-, mono- or di-substituted isoxazolidin-2-yl, 4 and/or 5-, mono- and/or di-substituted isothiazolidin-2-yl wherein said R12 substituents are independently H, halo, (C1-C5)-alkyl, hydroxy, amino, mono-N- or di-N,N-(C1-C5)alkylamino, formyl, oxo, hydroxyimino, (C1-C5)alkoxy, carboxy, carbamoyl, mono-N-or di-N,N-(C1-C4)alkylcarbamoyl, (C1-C4)alkoxyimino, (C1-C4)alkoxymethoxy, (C1-C6)alkoxycarbonyl, carboxy(C1-C,)alkyl or hydroxy(C1-C5)alkyl;
• with the proviso that if R4 is H, methyl, ethyl or n-propyl, R5 is OH;
• with the proviso that if R5 and R7 are H, then R4 is not H, methyl, ethyl, n-propyl, hydroxy(C1-C3)alkyl or (C1-C3)alkoxy(C1-C3)alkyl and R6 is C(O)NR8R9, C(O)R12 or (C1-C4)alkoxycarbonyl.