Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Having -c- – wherein x is chalcogen – bonded directly to...
Patent
1989-04-24
1990-05-15
Chan, Nicky
Drug, bio-affecting and body treating compositions
Designated organic active ingredient containing
Having -c-, wherein x is chalcogen, bonded directly to...
549229, A61K 3136, C07D31762
Patent
active
049258729
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.
Hosaka Kunio
Kimura Masayuki
Mitsuhashi Hiroshi
Takeda Shigehumi
Chan Nicky
Tsumura & Co.
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