Arylindenopyridines and related therapeutic and prophylactic methods
OwnerGeoffrey Heintzelman, Kristin Averill +4inventors
InventorsGeoffrey Heintzelman, Kristin Averill, John Dodd, Keith Demarest, Yuting Tang, Paul Jackson
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Abstract
This invention provides novel arylindenopyridines of the formula: and pharmaceutical compositions comprising same, useful for treating disorders ameliorated by antagonizing Adensine A2a receptors or reducing PDE activity in appropriate cells. This invention also provides therapeutic and prophylactic methods using the instant pharmaceutical compositions.
Claims22
A method of treating a subject having a disorder ameliorated by reducing PDE activity in appropriate cells, which comprises administering to the subject a therapeutically effective dose of a compound having the structure
- wherein
- (a) R1 is selected from the group consisting of:
- (i) —COR5, wherein R5 is selected from H, optionally substituted C1-8 straight or branched chain alkyl, optionally substituted aryl and optionally substituted arylalkyl;
- wherein the substituents on the alkyl, aryl and arylalkyl group are selected from C1-8 alkoxy, phenylacetyloxy, hydroxy, halogen, p-tosyloxy, mesyloxy, amino, cyano, carboalkoxy, or NR20R21 wherein R20 and R21 are independently selected from the group consisting of hydrogen, C1-8 straight or branched chain alkyl, C3-7 cycloalkyl, benzyl, aryl, or heteroaryl or NR20R21 taken together form a heterocycle or heteroaryl;
- (ii) COOR6, wherein R6 is selected from H, optionally substituted C1-8 straight or branched chain alkyl, optionally substituted aryl and optionally substituted arylalkyl;
- wherein the substituents on the alkyl, aryl and arylalkyl group are selected from C1-8 alkoxy, phenylacetyloxy, hydroxy, halogen, p-tosyloxy, mesyloxy, amino, cyano, carboalkoxy, or NR20R21 wherein R20 and R21, are independently selected from the group consisting of hydrogen, C1-8 straight or branched chain alkyl, C3-7 cycloalkyl, benzyl, aryl, or heteroaryl or NR20R21 taken together form a heterocycle or heteroaryl;
- (iii) cyano;
- (iv) a lactone or lactam formed with R4;
- (v) —CONR7R8 wherein R7 and R8 are independently selected from H, C1-8 straight or branched chain alkyl, C3-7 cycloalkyl, trifluoromethyl, hydroxy, alkoxy, acyl, alkylcarbonyl, carboxyl, arylalkyl, aryl, heteroaryl and heterocyclyl;
- wherein the alkyl, cycloalkyl, alkoxy, acyl, alkylcarbonyl, carboxyl, arylalkyl, aryl, heteroaryl and heterocyclyl groups may be substituted with carboxyl, alkyl, aryl, substituted aryl, heterocyclyl, substituted heterocyclyl, heteroaryl, substituted heteroaryl, hydroxamic acid, sulfonamide, sulfonyl, hydroxy, thiol, alkoxy or arylalkyl,
- or R7 and R8 taken together with the nitrogen to which they are attached form a heterocycle or heteroaryl group;
- (vi) a carboxylic ester or carboxylic acid bioisostere including optionally substituted heteroaryl groups
- (b) R2 is selected from the group consisting of optionally substituted alkyl, optionally substituted aryl, optionally substituted heteroaryl, optionally substituted heterocyclyl and optionally substituted C3-7 cycloalkyl;
- (c) R3 is from one to four groups independently selected from the group consisting of:
- (i) hydrogen, halo, C1-8 straight or branched chain alkyl, arylalkyl, C3-7 cycloalkyl, C1-8 alkoxy, cyano, C1-4 carboalkoxy, trifluoromethyl, C1-8 alkylsulfonyl, halogen, nitro, hydroxy, trifluoromethoxy, C1-8 carboxylate, aryl, heteroaryl, and heterocyclyl;
- (ii) —NR10R11 wherein R10 and R11 are independently selected from H, C1-8 straight or branched chain alkyl, arylalkyl, C3-7 cycloalkyl, carboxyalkyl, aryl, heteroaryl, and heterocyclyl or R10 and R11 taken together with the nitrogen form a heteroaryl or heterocyclyl group;
- (iii) —NR12COR13 wherein R12 is selected from hydrogen or alkyl and R1-3 is selected from hydrogen, alkyl, substituted alkyl, C13alkoxyl, carboxyalkyl, R30R31N (CH2)p—, R30R31NCO(CH2)p—, aryl, arylalkyl, heteroaryl and heterocyclyl or R12 and R13 taken together with the carbonyl form a carbonyl containing heterocyclyl group, wherein, R30 and R31 are independently selected from H, OH, alkyl, and alkoxy, and p is an integer from 1-6,
- (d) R4 is selected from the group consisting of (i) hydrogen, (ii) C1-3 straight or branched chain alkyl, (iii) benzyl and (iv) —NR13R14, wherein R13 and R14 are independently selected from hydrogen and C1-6 alkyl;
- wherein the C1-3alkyl and benzyl groups are optionally substituted with one or more groups selected from C3-7 cycloalkyl, C1-8 alkoxy, cyano, C1-4 carboalkoxy, trifluoromethyl, C1-8 alkylsulfonyl, halogen, nitro, hydroxy, trifluoromethoxy, C1-8 carboxylate, amino, NR13R14, aryl and heteroaryl;
- and
- (e) X is selected from S and O;
- with the proviso that when R4 is isopropyl, then R3 is not halogen, and the pharmaceutically acceptable salts, esters and pro-drug forms thereof.
A method of treating a subject having a disorder ameliorated by reducing PDE activity in appropriate cells, which comprises administering to the subject a therapeutically effective dose of a compound having the structure:
- wherein
- (a) R1 is selected from the group consisting of:
- (i) —COR5, wherein R5 is selected from H, optionally substituted C1-8 straight or branched chain alkyl, optionally substituted aryl and optionally substituted arylalkyl;
- wherein the substituents on the alkyl, aryl and arylalkyl group are selected from C1-8 alkoxy, phenylacetyloxy, hydroxy, halogen, p-tosyloxy, mesyloxy, amino, cyano, carboalkoxy, or NR20R21 wherein R20 and R21 are independently selected from the group consisting of hydrogen, C1-8 straight or branched chain alkyl, C3-7 cycloalkyl, benzyl, aryl, or heteroaryl or NR20R21 taken together form a heterocycle or heteroaryl;
- (ii) COOR6, wherein R6 is selected from H, optionally substituted C1-8 straight or branched chain alkyl, optionally substituted aryl and optionally substituted arylalkyl;
- wherein the substituents on the alkyl, aryl and arylalkyl group are selected from C1-8 alkoxy, phenylacetyloxy, hydroxy, halogen, p-tosyloxy, mesyloxy, amino, cyano, carboalkoxy, or NR20R21 wherein R20 and R21 are independently selected from the group consisting of hydrogen, C1-8 straight or branched chain alkyl, C3-7 cycloalkyl, benzyl, aryl, or heteroaryl or NR20R21 taken together form a heterocycle or heteroaryl;
- (i) cyano;
- (ii) a lactone or lactam formed with R4;
- (iii) —CONR7R8 wherein R7 and R8 are independently selected from H, C1-8 straight or branched chain alkyl, C3-7 cycloalkyl, trifluoromethyl, hydroxy, alkoxy, acyl, alkylcarbonyl, carboxyl, arylalkyl, aryl, heteroaryl and heterocyclyl;
- wherein the alkyl, cycloalkyl, alkoxy, acyl, alkylcarbonyl, carboxyl, arylalkyl, aryl, heteroaryl and heterocyclyl groups may be substituted with carboxyl, alkyl, aryl, substituted aryl, heterocyclyl, substituted heterocyclyl, heteroaryl, substituted heteroaryl, hydroxamic acid, sulfonamide, sulfonyl, hydroxy, thiol, alkoxy or arylalkyl,
- or R7 and R8 taken together with the nitrogen to which they are attached form a heterocycle or heteroaryl group;
- (vi) a carboxylic ester or carboxylic acid bioisostere including optionally substituted heteroaryl groups
- (b) R2 is —NR15R16 wherein R15 and R16 are independently selected from hydrogen, optionally substituted C1-8 straight or branched chain alkyl, arylalkyl, C3-7 cycloalkyl, aryl, heteroaryl, and heterocyclyl or R15 and R16 taken together with the nitrogen form a heteroaryl or heterocyclyl group;
- with the proviso that when R2 is NHR16, R1 is not —COOR6 where R6 is ethyl;
- (c) R3 is from one to four groups independently selected from the group consisting of:
- (i) hydrogen, halo, C1-8 straight or branched chain alkyl, arylalkyl, C3-7 cycloalkyl, C1-8 alkoxy, cyano, C1-4 carboalkoxy, trifluoromethyl, C1-8 alkylsulfonyl, halogen, nitro, hydroxy, trifluoromethoxy, C1-8 carboxylate, aryl, heteroaryl, and heterocyclyl;
- (ii) —NR10R11 wherein R10and R11 are independently selected from H, C1-8 straight or branched chain alkyl, arylalkyl, C3-7 cycloalkyl, carboxyalkyl, aryl, heteroaryl, and heterocyclyl or R10 and R11 taken together with the nitrogen form a heteroaryl or heterocyclyl group;
- (iii) —NR12COR13 wherein R12 is selected from hydrogen or alkyl and R13 is selected from hydrogen, alkyl, substituted alkyl, C1-3alkoxyl, carboxyalkyl, R30R31N (CH2)p—, R30R31NCO(CH2)p—, aryl, arylalkyl, heteroaryl and heterocyclyl or R12 and R13 taken together with the carbonyl form a carbonyl containing heterocyclyl group, wherein, R30 and R31, are independently selected from H, OH, alkyl, and alkoxy, and p is an integer from 1-6, wherein the alkyl group may be substituted with carboxyl, alkyl, aryl, substituted aryl, heterocyclyl, substituted heterocyclyl, heteroaryl, substituted heteroaryl, hydroxamic acid, sulfonamide, sulfonyl, hydroxy, thiol, alkoxy or arylalkyl;
- (d) R4 is selected from the group consisting of (i) hydrogen, (ii) C1-3 straight or branched chain alkyl, (iii) benzyl and (iv) —NR13R14, wherein R13 and R14 are independently selected from hydrogen and C1-6 alkyl;
- wherein the C1-3alkyl and benzyl groups are optionally substituted with one or more groups selected from C3-7 cycloalkyl, C1-8 alkoxy, cyano, C1-4 carboalkoxy, trifluoromethyl, C1-8 alkylsulfonyl, halogen, nitro, hydroxy, trifluoromethoxy, C1-8 carboxylate, amino, NR13R14, aryl and heteroaryl;
- and
- (e) X is selected from S and O;
- and the pharmaceutically acceptable salts, esters and pro-drug forms thereof.
A method of treating a subject having a disorder ameliorated by reducing PDE activity in appropriate cells, which comprises administering to the subject a therapeutically effective dose of a compound having the structure of Formula I wherein R4 is C1-8 straight or branched chain alkyl and X is O.
Dependencies are inferred from the claim text.