4h-benzo¬4,5|cyclohepta¬1,2-b|thiophene derivatives

Details 4h-benzo¬4,5|cyclohepta¬1,2-b|thiophene derivatives 4h-benzo¬4,5|cyclohepta¬1,2-b|thiophene derivatives

C - Chemistry, Metallurgy

07

D

167/242, 260/328

C07D 333/80 (2006.01)

Patent

CA 1242208

ABSTRACT .alpha.-[5H-dibenzo[a,d ]cyclohepten-5-ylidene]-carboxylic acids e.g. of formula I Image (I) wherein R1 is H, C1-4alkyl or phenyl-(C1-4alkyl), R2 is H or C1-4alkyl and ring A is unsubstituted or halo- or hydroxy-substituted, as well as the physiologically-hydrolysable and -acceptable esters thereof have valuable pharmaceutical, in particular anti-inflammatory, antipyretic and analgesic properties.

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