Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Having -c- – wherein x is chalcogen – bonded directly to...
Patent
1986-08-29
1988-11-01
Chan, Nicky
Drug, bio-affecting and body treating compositions
Designated organic active ingredient containing
Having -c-, wherein x is chalcogen, bonded directly to...
549404, 549399, 549345, 549 60, 549 57, 549 51, 548525, 548454, 548336, 548305, 548236, 548226, 548200, 548195, 548191, 548188, 548184, 548183, 548141, 548136, 548135, 548134, 548130, 548129, 548128, 548127, 546269, 546169, 546159, 546156, 546146, 546143, 546141, 544407, 544406, 544405, 544335, 544334, 544333, 544322, 544298, 544283, 544238, 544219, 544217, 544212, 544180, 514444, 514443, 514422, 514414, 514407, 514406, 514397, 514377, 514376, 514374, 514370, 514369, 514365, 514361, 514337, 514314, 514313,
Patent
active
047820837
ABSTRACT:
Compounds of formula (I) and pharmaceutically acceptable salts thereof: ##STR1## wherein: one of R.sub.1 and R.sub.2 is hydrogen or C.sub.1-4 alkyl and the other is C.sub.1-4 alkyl or R.sub.1 and R.sub.2 together are C.sub.2-5 -polymethylene;
REFERENCES:
patent: 4481214 (1984-11-01), Evans
patent: 4575511 (1986-03-01), Evans et al.
patent: 4677116 (1987-06-01), Evans
J. March, Advanced Organic Chemistry: Reactions, Mechanisms, and Structure, p. 21 (1968).
Cassidy Frederick
Evans John M.
Stemp Geoffrey
Beecham Group p.l.c.
Chan Nicky
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