Biphenyl derivative and preparation and use thereof

Details Biphenyl derivative and preparation and use thereof Biphenyl derivative and preparation and use thereof

1992-08-24

1993-11-23

Chan, Nicky

Organic compounds -- part of the class 532-570 series

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

C07D31748

Patent

active

052645940

ABSTRACT:
The present invention relates to a novel biphenyl derivative having a liver ailment-moderating action and effective as a remedy for acute hepatitis and chronic hepatitis, a process for the preparation of this biphenyl derivative and a liver ailment-moderating agent comprising this diphenyl derivative as an effective ingredient. This diphenyl derivative is represented by the following formula: ##STR1## wherein R.sub.0 and R.sub.1 independently stand for a lower alkyl group or R.sub.0 and R.sub.1 together represent a group O.dbd.C<, R.sub.2 stands for an alkyl group having 1 to 3 carbon atoms, and R.sub.3 and R.sub.4 independently stand for a hydrogen atom or a lower alkyl group.

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