Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Having -c- – wherein x is chalcogen – bonded directly to...
Patent
1991-01-24
1992-12-08
Raymond, Richard L.
Drug, bio-affecting and body treating compositions
Designated organic active ingredient containing
Having -c-, wherein x is chalcogen, bonded directly to...
549 44, 514893, 514894, A61K 3139, C07D40902
Patent
active
051698617
ABSTRACT:
A novel biphenyl derivative of the formula: ##STR1## wherein Ring A is a substituted or unsubstituted sulfur-containing or oxygen-containing heteromonocyclic ring; Ring B is a ring of the formula: ##STR2## each of R.sup.1 to R.sup.3 is hydrogen atom, a halogen atom or a lower alkoxy group, or R.sup.1 is hydrogen atom, and R.sup.2 and R.sup.3 are combined together to form a lower alkylenedioxy group; R.sup.4 is a lower alkyl group which may have a substituent selected from a lower alkoxy group and a lower alkoxycarbonyl group; Y is methylene group or carbonyl group, and a pharmaceutically acceptable salt thereof are disclosed. Said derivative and a pharmaceutically acceptable salt thereof are useful as a therapeutic or prophylactic agent for hepatic diseases.
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Iwasaki Tameo
Kitamura Kazuyuki
Matsumoto Mamoru
Matsuoka Yuzo
Sugiura Masaki
Raymond Richard L.
Russell Mark W.
Tanabe Seiyaku Co. Ltd.
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