Novel alkene oxindole derivatives

Abstract

The present invention provides compounds of formula (I), as well as pharmaceutical acceptable salt thereof, wherein R 1 to R 7 have the significance given herein. The compounds are useful in the treatment of prophylaxis of diseases that are related to AMPK regulation.

1 . A compound of formula (I), 
       
         
           
           
               
               
           
         
         wherein 
         R 1  is selected from the group consisting of: hydrogen, halogen, alkoxy, cyano, haloalkyl, alkylsulfanyl, aminosulfonyl, alkylsulfonyl, haloalkoxy and alkylcarbonyl; 
         R 2  is selected from the group consisting of: hydrogen, halogen, alkoxy, cyano, haloalkyl, alkylsulfanyl, aminosulfonyl, alkylsulfonyl, haloalkoxy and alkylcarbonyl; 
         R 3  is selected from the group consisting of: hydrogen, halogen, alkoxy, cyano, haloalkyl, alkylsulfanyl, aminosulfonyl, alkylsulfonyl, haloalkoxy and alkylcarbonyl; 
         R 4  is selected from the group consisting of: hydrogen, halogen, alkoxy, cyano, haloalkyl, alkylsulfanyl, aminosulfonyl, alkylsulfonyl, haloalkoxy and alkylcarbonyl; 
         R 5  is selected from the group consisting of: alkyl, hydroxyalkyl, cycloalkyl, phenylalkyl, halophenylalkyl, phenyl, substituted phenyl, thiophenyl and pyridinyl, wherein said substituted phenyl is phenyl substituted with one to three substituents independently selected from the group consisting of alkyl, alkoxy, halogen, cyano, haloalkyl, alkylsulfanyl, aminosulfonyl, alkylsulfonyl, haloalkoxy and alkylcarbonyl; 
         R 6  is selected from the group consisting of: alkyl, hydroxyalkyl, cycloalkyl, phenylalkyl, halophenylalkyl, phenyl, substituted phenyl, thiophenyl and pyridinyl, wherein said substituted phenyl is phenyl substituted with one to three substituents independently selected from the group consisting of alkyl, alkoxy, halogen, cyano, haloalkyl, alkylsulfanyl, aminosulfonyl, alkylsulfonyl, haloalkoxy and alkylcarbonyl; 
         R 7  is selected from the group consisting of: substituted phenyl, pyridinyl, substituted pyridinyl, thiazolyl, substituted thiazolyl and carboxy, wherein said substituted phenyl is phenyl substituted with one to three substituents independently selected from the group consisting of alkyl, hydroxy, alkoxy, carboxy, alkoxycarbonylalkyl, alkylaminocarbonyl, carboxyalkoxy, alkoxycarbonyl, alkoxycarbonylalkoxy and alkylsulfonylaminocarbonyl, and said substituted pyridinyl and said substituted thiazolyl are, respectively, pyridinyl and thiazolyl substituted with alkoxycarbonyl or carboxy; and 
         n is 0 or 1; 
         or a pharmaceutically acceptable salt or ester thereof; 
         with the provisos that: 
         R 5  and R 6  are not both methoxyphenyl at the same time; and 
         when one of R 5  and R 6  is phenyl and the other one is phenyl, methylphenyl or alkoxyphenyl, R 7  is alkoxycarbonylphenyl. 
       
     
     
         2 . A compound according to  claim 1 , wherein R 1  is selected from the group consisting of: hydrogen, halogen and alkoxy. 
     
     
         3 . A compound according to  claim 1 , wherein R 1  is selected from the group consisting of: hydrogen, fluoro and chloro. 
     
     
         4 . A compound according to  claim 1 , wherein R 2  is selected from the group consisting of: hydrogen, halogen and alkoxy. 
     
     
         5 . A compound according to  claim 1 , wherein R 2  is hydrogen or fluoro. 
     
     
         6 . A compound according to  claim 1 , wherein R 3  is selected from the group consisting of: hydrogen, halogen and alkoxy. 
     
     
         7 . A compound according to  claim 1 , wherein R 3  is selected from the group consisting of: hydrogen, fluoro, chloro and methoxy. 
     
     
         8 . A compound according to  claim 1 , wherein R 4  is selected from the group consisting of: hydrogen, halogen and alkoxy. 
     
     
         9 . A compound according to  claim 1 , wherein R 4  is hydrogen or fluoro. 
     
     
         10 . A compound according to  claim 1 , wherein R 5  is selected from the group consisting of: alkyl, halophenylalkyl, phenyl, substituted phenyl, thiophenyl and pyridinyl, wherein said substituted phenyl is phenyl substituted with one to three substituents independently selected from the group consisting of alkyl, alkoxy, halogen, cyano, haloalkyl, alkylsulfanyl, aminosulfonyl, alkylsulfonyl, haloalkoxy and alkylcarbonyl. 
     
     
         11 . A compound according to  claim 1 , wherein R 5  is halophenyl or cyanophenyl. 
     
     
         12 . A compound according to  claim 1 , wherein R 5  is chlorophenyl or cyanophenyl. 
     
     
         13 . A compound according to  claim 1 , wherein R 6  is selected from the group consisting of: alkyl, hydroxyalkyl, cycloalkyl, phenyl and halophenyl. 
     
     
         14 . A compound according to  claim 1 , wherein R 6  is alkyl or phenyl. 
     
     
         15 . A compound according to  claim 1 , wherein R 6  is isopropyl or phenyl. 
     
     
         16 . A compound according to  claim 1 , wherein R 7  is selected from the group consisting of: substituted phenyl, substituted pyridinyl, substituted thiazolyl and carboxy, wherein said substituted phenyl is phenyl substituted with one to three substituents independently selected from the group consisting of alkyl, hydroxy, alkoxy, carboxy, alkoxycarbonylalkyl, alkylaminocarbonyl, carboxyalkoxy, alkoxycarbonyl, alkoxycarbonylalkoxy and alkylsulfonylaminocarbonyl, and said substituted pyridinyl and said substituted thiazolyl are, respectively, pyridinyl and thiazolyl substituted with alkoxycarbonyl or carboxy. 
     
     
         17 . A compound according to  claim 1 , wherein R 7  is selected from the group consisting of: carboxyphenyl, alkoxycarbonylphenyl and carboxypyridinyl. 
     
     
         18 . A compound according to  claim 1 , wherein R 7  is selected from the group consisting of: carboxyphenyl, methoxycarbonylphenyl and carboxypyridinyl. 
     
     
         19 . A compound according to  claim 1  selected from the group consisting of:
 3-{2-Oxo-3-[1-phenyl-eth-(E)-ylidene]-2,3-dihydro-indol-1-yl}-benzoic acid ethyl ester; 
 (3-{2-Oxo-3-[1-phenyl-eth-(E)-ylidene]-2,3-dihydro-indol-1-yl}-phenyl)-acetic acid methyl ester; 
 2-Methyl-5-{2-oxo-3-[1-phenyl-eth-(E)-ylidene]-2,3-dihydro-indol-1-yl}-benzoic acid methyl ester; 
 [2-Oxo-3-(1-phenyl-ethylidene)-2,3-dihydro-indol-1-yl]-acetic acid; 
 3-{3-[1-(4-Chloro-phenyl)-1-phenyl-meth-(E)-ylidene]-2-oxo-2,3-dihydro-indol-1-ylmethyl}-benzoic acid methyl ester; 
 3-{3-[1-(4-Chloro-phenyl)-1-phenyl-meth-(E)-ylidene]-7-fluoro-2-oxo-2,3-dihydro-indol-1-ylmethyl}-benzoic acid methyl ester; 
 3-(3-Benzhydrylidene-2-oxo-2,3-dihydro-indol-1-ylmethyl)-benzoic acid methyl ester; 
 3-{3-[1-(4-Methoxy-phenyl)-1-phenyl-meth-(E)-ylidene]-2-oxo-2,3-dihydro-indol-1-ylmethyl}-benzoic acid methyl ester; 
 3-{2-Oxo-3-[1-phenyl-1-p-tolyl-meth-(E)-ylidene]-2,3-dihydro-indol-1-ylmethyl}-benzoic acid methyl ester; 
 3-{3-[1-(4-Chloro-phenyl)-1-(2-methoxy-phenyl)-meth-(Z)-ylidene]-2-oxo-2,3-dihydro-indol-1-ylmethyl}-benzoic acid methyl ester; 
 3-{3-[1-(4-Cyano-phenyl)-1-phenyl-meth-(E)-ylidene]-2-oxo-2,3-dihydro-indol-1-ylmethyl}-benzoic acid methyl ester; 
 3-{2-Oxo-3-[1-phenyl-1-(4-trifluoromethyl-phenyl)-meth-(E)-ylidene]-2,3-dihydro-indol-1-ylmethyl}-benzoic acid methyl ester; 
 3-{3-[1-(3-Chloro-4-fluoro-phenyl)-1-phenyl-meth-(E)-ylidene]-2-oxo-2,3-dihydro-indol-1-ylmethyl}-benzoic acid methyl ester; 
 3-{2-Oxo-3-[1-phenyl-1-(3,4,5-trimethoxy-phenyl)-meth-(E)-ylidene]-2,3-dihydro-indol-1-ylmethyl}-benzoic acid methyl ester; 
 3-{3-[1-(3,4-Difluoro-phenyl)-1-phenyl-meth-(E)-ylidene]-2-oxo-2,3-dihydro-indol-1-ylmethyl}-benzoic acid methyl ester; 
 3-{3-[1-(3-Chloro-phenyl)-1-phenyl-meth-(E)-ylidene]-2-oxo-2,3-dihydro-indol-1-ylmethyl}-benzoic acid methyl ester; 
 3-{3-[1-(2-Chloro-phenyl)-1-phenyl-meth-(E)-ylidene]-2-oxo-2,3-dihydro-indol-1-ylmethyl}-benzoic acid methyl ester; 
 3-{3-[1-(4-Chloro-phenyl)-1-phenyl-meth-(E)-ylidene]-5-fluoro-2-oxo-2,3-dihydro-indol-1-ylmethyl}-benzoic acid methyl ester; 
 3-{3-[1-(3,5-Dichloro-phenyl)-1-phenyl-meth-(E)-ylidene]-2-oxo-2,3-dihydro-indol-1-ylmethyl}-benzoic acid methyl ester; 
 3-{3-[1-(2,3-Dichloro-phenyl)-1-phenyl-meth-(E)-ylidene]-2-oxo-2,3-dihydro-indol-1-ylmethyl}-benzoic acid methyl ester; 
 4-{3-[1-(4-Chloro-phenyl)-1-phenyl-meth-(E)-ylidene]-2-oxo-2,3-dihydro-indol-1-ylmethyl}-benzoic acid methyl ester; 
 3-{3-[1-(4-Chloro-phenyl)-1-phenyl-meth-(E)-ylidene]-5-methoxy-2-oxo-2,3-dihydro-indol-1-ylmethyl}-benzoic acid methyl ester; 
 3-{3-[1-(2-Bromo-phenyl)-1-phenyl-meth-(E)-ylidene]-2-oxo-2,3-dihydro-indol-1-ylmethyl}-benzoic acid methyl ester; 
 3-{3-[1-(2-Chloro-5-trifluoromethyl-phenyl)-1-phenyl-meth-(E)-ylidene]-2-oxo-2,3-dihydro-indol-1-ylmethyl}-benzoic acid methyl ester; 
 3-{3-[1-(4-Chloro-phenyl)-1-phenyl-meth-(E)-ylidene]-4-fluoro-2-oxo-2,3-dihydro-indol-1-ylmethyl}-benzoic acid methyl ester; 
 3-{3-[1-(4-Chloro-phenyl)-1-phenyl-meth-(E)-ylidene]-6-fluoro-2-oxo-2,3-dihydro-indol-1-ylmethyl}-benzoic acid methyl ester; 
 3-{3-[1-(3-Bromo-phenyl)-1-phenyl-meth-(E)-ylidene]-2-oxo-2,3-dihydro-indol-1-ylmethyl}-benzoic acid methyl ester; 
 3-{3-[1-(2-Methylsulfanyl-phenyl)-1-phenyl-meth-(E)-ylidene]-2-oxo-2,3-dihydro-indol-1-ylmethyl}-benzoic acid methyl ester; 
 3-{7-Chloro-3-[1-(4-chloro-phenyl)-1-phenyl-meth-(E)-ylidene]-5-fluoro-2-oxo-2,3-dihydro-indol-1-ylmethyl}-benzoic acid methyl ester; 
 3-{2-Oxo-3-[1-phenyl-1-(3-trifluoromethyl-phenyl)-meth-(E)-ylidene]-2,3-dihydro-indol-1-ylmethyl}-benzoic acid methyl ester; 
 3-{2-Oxo-3-[1-phenyl-1-(4-sulfamoyl-phenyl)-meth-(E)-ylidene]-2,3-dihydro-indol-1-ylmethyl}-benzoic acid methyl ester; 
 3-{3-[1-(2-Methanesulfonyl-phenyl)-1-phenyl-meth-(E)-ylidene]-2-oxo-2,3-dihydro-indol-1-ylmethyl}-benzoic acid methyl ester; 
 3-{2-Oxo-3-[1-phenyl-1-thiophen-3-yl-meth-(E)-ylidene]-2,3-dihydro-indol-1-ylmethyl}-benzoic acid methyl ester; 
 3-{3-[1-(4-Chloro-phenyl)-1-phenyl-meth-(Z)-ylidene]-2-oxo-2,3-dihydro-indol-1-ylmethyl}-benzoic acid methyl ester; 
 3-{3-[1-(4-Chloro-phenyl)-1-(4-trifluoromethyl-phenyl)-meth-(Z)-ylidene]-2-oxo-2,3-dihydro-indol-1-ylmethyl}-benzoic acid methyl ester; 
 (4-{3-[1-(4-Chloro-phenyl)-1-phenyl-meth-(E)-ylidene]-2-oxo-2,3-dihydro-indol-1-ylmethyl}-phenoxy)-acetic acid ethyl ester; 
 3-{3-[1-(4-Chloro-phenyl)-1-phenyl-meth-(E)-ylidene]-2-oxo-2,3-dihydro-indol-1-ylmethyl}-N-isopropyl-benzamide; 
 6-{3-[1-(4-Chloro-phenyl)-1-phenyl-meth-(E)-ylidene]-2-oxo-2,3-dihydro-indol-1-ylmethyl}-nicotinic acid methyl ester; 
 2-{3-[1-(4-Chloro-phenyl)-1-phenyl-meth-(E)-ylidene]-2-oxo-2,3-dihydro-indol-1-ylmethyl}-thiazole-4-carboxylic acid ethyl ester; 
 3-[1-(4-Chloro-phenyl)-1-phenyl-meth-(E)-ylidene]-1-(4-methoxy-benzyl)-1,3-dihydro-indol-2-one; 
 3-[1-(4-Chloro-phenyl)-1-phenyl-meth-(E)-ylidene]-1-(3,4,5-trihydroxy-benzyl)-1,3-dihydro-indol-2-one; 
 3-[1-(4-Chloro-phenyl)-1-phenyl-meth-(Z)-ylidene]-1-(3,4,5-trihydroxy-benzyl)-1,3-dihydro-indol-2-one; 
 3-[1-(4-Chloro-phenyl)-1-phenyl-meth-(E)-ylidene]-1-(4-hydroxy-benzyl)-1,3-dihydro-indol-2-one; 
 3-{3-[1-(4-chloro-phenyl)-1-phenyl-meth-(E)-ylidene]-2-oxo-2,3-dihydro-indol-1-ylmethyl}-benzoic acid; 
 3-{3-[1-(4-Fluoro-phenyl)-1-phenyl-meth-(E)-ylidene]-2-oxo-2,3-dihydro-indol-1-ylmethyl}-benzoic acid; 
 3-{3-[1-(4-Methoxy-phenyl)-1-phenyl-meth-(E)-ylidene]-2-oxo-2,3-dihydro-indol-1-ylmethyl}-benzoic acid; 
 3-{3-[1-(4-Chloro-phenyl)-1-(2-methoxy-phenyl)-meth-(Z)-ylidene]-2-oxo-2,3-dihydro-indol-1-ylmethyl}-benzoic acid; 
 3-{2-Oxo-3-[1-phenyl-1-(4-trifluoromethyl-phenyl)-meth-(E)-ylidene]-2,3-dihydro-indol-1-ylmethyl}-benzoic acid; 
 3-{2-Oxo-3-[1-phenyl-1-(2-trifluoromethoxy-phenyl)-meth-(E)-ylidene]-2,3-dihydro-indol-1-ylmethyl}-benzoic acid; 
 3-{3-[1-(3-Chloro-4-fluoro-phenyl)-1-phenyl-meth-(E)-ylidene]-2-oxo-2,3-dihydro-indol-1-ylmethyl}-benzoic acid; 
 3-{2-Oxo-3-[1-phenyl-1-(3,4,5-trimethoxy-phenyl)-meth-(E)-ylidene]-2,3-dihydro-indol-1-ylmethyl}-benzoic acid; 
 3-{3-[1-(3-Chloro-phenyl)-1-phenyl-meth-(E)-ylidene]-2-oxo-2,3-dihydro-indol-1-ylmethyl}-benzoic acid; 
 3-{3-[1-(4-Chloro-phenyl)-1-phenyl-meth-(E)-ylidene]-5-fluoro-2-oxo-2,3-dihydro-indol-1-ylmethyl}-benzoic acid; 
 3-{3-[1-(3,5-Dichloro-phenyl)-1-phenyl-meth-(E)-ylidene]-2-oxo-2,3-dihydro-indol-1-ylmethyl}-benzoic acid; 
 3-{3-[1-(2,3-Dichloro-phenyl)-1-phenyl-meth-(E)-ylidene]-2-oxo-2,3-dihydro-indol-1-ylmethyl}-benzoic acid; 
 2-{3-[1-(4-Chloro-phenyl)-1-phenyl-meth-(E)-ylidene]-2-oxo-2,3-dihydro-indol-1-ylmethyl}-benzoic acid; 
 4-{3-[1-(4-Chloro-phenyl)-1-phenyl-meth-(E)-ylidene]-2-oxo-2,3-dihydro-indol-1-ylmethyl}-benzoic acid; 
 3-{3-[1-(4-Chloro-phenyl)-1-phenyl-meth-(E)-ylidene]-5-methoxy-2-oxo-2,3-dihydro-indol-1-ylmethyl}-benzoic acid; 
 6-{3-[1-(4-Chloro-phenyl)-1-phenyl-meth-(E)-ylidene]-2-oxo-2,3-dihydro-indol-1-ylmethyl}-nicotinic acid; 
 3-{3-[1-(4-Chloro-phenyl)-1-phenyl-meth-(E)-ylidene]-4-fluoro-2-oxo-2,3-dihydro-indol-1-ylmethyl}-benzoic acid; 
 3-{3-[1-(4-Chloro-phenyl)-1-phenyl-meth-(E)-ylidene]-6-fluoro-2-oxo-2,3-dihydro-indol-1-ylmethyl}-benzoic acid; 
 3-{3-[1-(2-Methylsulfanyl-phenyl)-1-phenyl-meth-(E)-ylidene]-2-oxo-2,3-dihydro-indol-1-ylmethyl}-benzoic acid; 
 3-{2-Oxo-3-[1-phenyl-1-pyridin-3-yl-meth-(E)-ylidene]-2,3-dihydro-indol-1-ylmethyl}-benzoic acid; 
 3-{3-[1-(2-Chloro-5-trifluoromethyl-phenyl)-1-phenyl-meth-(E)-ylidene]-2-oxo-2,3-dihydro-indol-1-ylmethyl}-benzoic acid; 
 3-{3-[1-(3,5-Bis-trifluoromethyl-phenyl)-1-phenyl-meth-(E)-ylidene]-2-oxo-2,3-dihydro-indol-1-ylmethyl}-benzoic acid; 
 3-{2-Oxo-3-[1-phenyl-1-(3-trifluoromethyl-phenyl)-meth-(E)-ylidene]-2,3-dihydro-indol-1-ylmethyl}-benzoic acid; 
 3-{2-Oxo-3-[1-phenyl-1-(4-sulfamoyl-phenyl)-meth-(E)-ylidene]-2,3-dihydro-indol-1-ylmethyl}-benzoic acid; 
 3-{3-[1-(4-Chloro-phenyl)-1-phenyl-meth-(Z)-ylidene]-2-oxo-2,3-dihydro-indol-1-ylmethyl}-benzoic acid; 
 3-{3-[1-(4-Chloro-phenyl)-1-(4-trifluoromethyl-phenyl)-meth-(Z)-ylidene]-2-oxo-2,3-dihydro-indol-1-ylmethyl}-benzoic acid; 
 (4-{3-[1-(4-Chloro-phenyl)-1-phenyl-meth-(E)-ylidene]-2-oxo-2,3-dihydro-indol-1-ylmethyl}-phenoxy)-acetic acid; 
 3-{3-[1-(4-Isopropyl-phenyl)-1-phenyl-meth-(E)-ylidene]-2-oxo-2,3-dihydro-indol-1-ylmethyl}-benzoic acid; 
 3-{3-[1-(3,4-Difluoro-phenyl)-1-phenyl-meth-(E)-ylidene]-2-oxo-2,3-dihydro-indol-1-ylmethyl}-benzoic acid; 
 3-{3-[1-(4-Chloro-phenyl)-1-phenyl-meth-(E)-ylidene]-7-fluoro-2-oxo-2,3-dihydro-indol-1-ylmethyl}-benzoic acid; 
 3-{5-Chloro-3-[1-(4-chloro-phenyl)-1-phenyl-meth-(E)-ylidene]-2-oxo-2,3-dihydro-indol-1-ylmethyl}-benzoic acid; 
 3-{3-[1-(2-Chloro-phenyl)-1-phenyl-meth-(E)-ylidene]-2-oxo-2,3-dihydro-indol-1-ylmethyl}-benzoic acid; 
 2-{3-[1-(4-Chloro-phenyl)-1-phenyl-meth-(E)-ylidene]-2-oxo-2,3-dihydro-indol-1-ylmethyl}-thiazole-4-carboxylic acid; 
 3-{3-[4-Methyl-1-phenyl-pent-(Z)-ylidene]-2-oxo-2,3-dihydro-indol-1-ylmethyl}-benzoic acid methyl ester; 
 3-{3-[3,3-Dimethyl-1-phenyl-but-(Z)-ylidene]-2-oxo-2,3-dihydro-indol-1-ylmethyl}-benzoic acid methyl ester; 
 3-{3-[2-(4-Chloro-phenyl)-1-phenyl-eth-(Z)-ylidene]-2-oxo-2,3-dihydro-indol-1-ylmethyl}-benzoic acid methyl ester; 
 3-{3-[3,3-Dimethyl-1-phenyl-but-(E)-ylidene]-2-oxo-2,3-dihydro-indol-1-ylmethyl}-benzoic acid methyl ester; 
 3-{3-[4-Methyl-1-phenyl-pent-(Z)-ylidene]-2-oxo-2,3-dihydro-indol-1-ylmethyl}-benzoic acid; 
 3-{3-[1-(4-Chloro-benzyl)-2-methyl-prop-(Z)-ylidene]-2-oxo-2,3-dihydro-indol-1-ylmethyl}-benzoic acid; 
 3-{3-[1-(4-Fluoro-phenyl)-eth-(E)-ylidene]-2-oxo-2,3-dihydro-indol-1-ylmethyl}benzoic acid; 
 3-{3-[1-(4-Chloro-phenyl)-2-methyl-prop-(E)-ylidene]-2-oxo-2,3-dihydro-indol-1-ylmethyl}-benzoic acid methyl ester; 
 3-{3-[2-Methyl-1-phenyl-prop-(E)-ylidene]-2-oxo-2,3-dihydro-indol-1-ylmethyl}-benzoic acid methyl ester; 
 3-{3-[1-(4-Acetyl-phenyl)-2-methyl-prop-(E)-ylidene]-2-oxo-2,3-dihydro-indol-1-ylmethyl}-benzoic acid methyl ester; 
 3-{3-[1-(4-Chloro-phenyl)-1-cyclohexyl-meth-(E)-ylidene]-2-oxo-2,3-dihydro-indol-1-ylmethyl}-benzoic acid methyl ester; 
 3-{3-[2-Methyl-1-(4-trifluoromethyl-phenyl)-prop-(E)-ylidene]-2-oxo-2,3-dihydro-indol-1-ylmethyl}-benzoic acid methyl ester; 
 3-{3-[1-(4-Chloro-phenyl)-2-hydroxy-2-methyl-prop-(Z)-ylidene]-2-oxo-2,3-dihydro-indol-1-ylmethyl}-benzoic acid methyl ester; 
 3-{3-[1-(4-Cyano-phenyl)-2-hydroxy-2-methyl-prop-(Z)-ylidene]-2-oxo-2,3-dihydro-indol-1-ylmethyl}-benzoic acid methyl ester; 
 3-{3-[1-(4-Chloro-phenyl)-2,2-dimethyl-prop-(Z)-ylidene]-2-oxo-2,3-dihydro-indol-1-ylmethyl}-benzoic acid methyl ester; 
 3-{3-[1-(4-Cyano-phenyl)-2,2-dimethyl-prop-(E)-ylidene]-2-oxo-2,3-dihydro-indol-1-ylmethyl}-benzoic acid methyl ester; 
 3-{3-[1-(4-Chloro-phenyl)-2,2-dimethyl-prop-(E)-ylidene]-2-oxo-2,3-dihydro-indol-1-ylmethyl}-benzoic acid methyl ester; 
 3-{3-[1-(4-Chloro-phenyl)-2-methyl-prop-(E)-ylidene]-2-oxo-2,3-dihydro-indol-1-ylmethyl}-benzoic acid; 
 3-{3-[1-(4-Cyano-phenyl)-2-methyl-prop-(E)-ylidene]-2-oxo-2,3-dihydro-indol-1-ylmethyl}-benzoic acid; 
 6-{3-[1-(4-Chloro-phenyl)-2-methyl-prop-(E)-ylidene]-2-oxo-2,3-dihydro-indol-1-ylmethyl}-pyridine-2-carboxylic acid; 
 6-{3-[1-(4-Cyano-phenyl)-2-methyl-prop-(E)-ylidene]-2-oxo-2,3-dihydro-indol-1-ylmethyl}-pyridine-2-carboxylic acid; 
 3-{3-[1-(4-Chloro-phenyl)-2,2-dimethyl-prop-(Z)-ylidene]-2-oxo-2,3-dihydro-indol-1-ylmethyl}-benzoic acid; 
 3-{3-[1-(4-Cyano-phenyl)-2,2-dimethyl-prop-(E)-ylidene]-2-oxo-2,3-dihydro-indol-1-ylmethyl}-benzoic acid; 
 3-{3-[1-(4-Chloro-phenyl)-2,2-dimethyl-prop-(E)-ylidene]-2-oxo-2,3-dihydro-indol-1-ylmethyl}-benzoic acid; 
 3-{3-[1-(4-Fluoro-phenyl)-2-methyl-prop-(E)-ylidene]-2-oxo-2,3-dihydro-indol-1-ylmethyl}-benzoic acid; 
 6-{3-[1-(4-Fluoro-phenyl)-2-methyl-prop-(E)-ylidene]-2-oxo-2,3-dihydro-indol-1-ylmethyl}-pyridine-2-carboxylic acid; 
 3-{3-[2-Methyl-1-pyridin-3-yl-prop-(E)-ylidene]-2-oxo-2,3-dihydro-indol-1-ylmethyl}-benzoic acid; 
 3-{3-[1-(4-Chloro-phenyl)-1-cyclohexyl-meth-(E)-ylidene]-2-oxo-2,3-dihydro-indol-1-ylmethyl}-benzoic acid; 
 3-{3-[2-Methyl-1-(4-trifluoromethyl-phenyl)-prop-(E)-ylidene]-2-oxo-2,3-dihydro-indol-1-ylmethyl}-benzoic acid; 
 3-{3-[2-Methyl-1-thiophen-3-yl)-prop-(E)-ylidene]-2-oxo-2,3-dihydro-indol-1-ylmethyl}-benzoic acid; 
 3-{5-Chloro-3-[2-methyl-1-(4-trifluoromethyl-phenyl)-prop-(E)-ylidene]-2-oxo-2,3-dihydro-indol-1-ylmethyl}-benzoic acid; 
 3-{3-[1-(4-Acetyl-phenyl)-2-methyl-prop-(E)-ylidene]-2-oxo-2,3-dihydro-indol-1-ylmethyl}-benzoic acid; 
 N-(3-{3-[1-(4-Chloro-phenyl)-2-methyl-prop-(E)-ylidene]-2-oxo-2,3-dihydro-indol-1-ylmethyl}-benzoyl)-methanesulfonamide; 
 N-(3-{3-[1-(4-Chloro-phenyl)-2,2-dimethyl-prop-(E)-ylidene]-2-oxo-2,3-dihydro-indol-1-ylmethyl}-benzoyl)-methanesulfonamide; and 
 N-(3-{3-[1-(4-Chloro-phenyl)-2,2-dimethyl-prop-(Z)-ylidene]-2-oxo-2,3-dihydro-indol-1-ylmethyl}-benzoyl)-methanesulfonamide; 
 or a pharmaceutically acceptable salt or ester thereof. 
 
     
     
         20 . A compound according to  claim 1  selected from the group consisting of:
 3-{3-[1-(4-Chloro-phenyl)-1-phenyl-meth-(E)-ylidene]-2-oxo-2,3-dihydro-indol-1-ylmethyl}-benzoic acid; 
 3-{3-[1-(4-Chloro-phenyl)-2-methyl-prop-(E)-ylidene]-2-oxo-2,3-dihydro-indol-1-ylmethyl}-benzoic acid; 
 3-{3-[1-(4-Cyano-phenyl)-2-methyl-prop-(E)-ylidene]-2-oxo-2,3-dihydro-indol-1-ylmethyl}-benzoic acid; 
 6-{3-[1-(4-Chloro-phenyl)-2-methyl-prop-(E)-ylidene]-2-oxo-2,3-dihydro-indol-1-ylmethyl}-pyridine-2-carboxylic acid; and 
 6-{3-[1-(4-Cyano-phenyl)-2-methyl-prop-(E)-ylidene]-2-oxo-2,3-dihydro-indol-1-ylmethyl}-pyridine-2-carboxylic acid; 
 or a pharmaceutically acceptable salt or ester thereof. 
 
     
     
         21 . A pharmaceutical composition comprising a compound according to  claim 1  and a therapeutically inert carrier.