Aryl-isoxazol-4-yl-imidazole derivatives

Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Having -c- – wherein x is chalcogen – bonded directly to...

Reexamination Certificate

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Details

C514S341000, C514S378000, C544S333000, C546S272100, C548S247000

Reexamination Certificate

active

07414061

ABSTRACT:
The present invention is concerned with aryl-isoxazol-4-yl-imidazole derivatives of formula I:whereinR1to R6are as defined in the specification and pharmaceutically acceptable acid addition salts thereof.This class of compounds has high affinity and selectivity for GABA A α5 receptor binding sites and might be useful as cognitive enhancer or for the treatment of cognitive disorders like Alzheimer's disease.

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