Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Having -c- – wherein x is chalcogen – bonded directly to...
Patent
1986-02-14
1987-06-02
Fan, Jane T.
Drug, bio-affecting and body treating compositions
Designated organic active ingredient containing
Having -c-, wherein x is chalcogen, bonded directly to...
546278, C07D40112, A61K 3144
Patent
active
046704493
ABSTRACT:
Dihydropyridine anti-ischaemic agents of the formula: ##STR1## and their salts where R is aryl or heteroaryl, R.sup.1 and R.sup.2 are each C.sub.1 -C.sub.4 alkyl or 2-methoxyethyl, Y is --(CH.sub.2).sub.n -- where n is 2, 3, or 4 and is optionally substituted by 1 or 2 CH.sub.3 groups, and R.sup.3 is an optionally substituted 5- or 6-membered heterocyclic group attached to the adjacent N atom by a C atom, said group R.sup.3 being optionally fused to a further heterocyclic group or to a benzene ring.
REFERENCES:
patent: 4430333 (1984-02-01), Campbell et al.
patent: 4515799 (1985-05-01), Campbell et al.
patent: 4616024 (1986-10-01), Campbell et al.
Arrowsmith John E.
Campbell Simon F.
Cross Peter E.
Stubbs John K.
Fan Jane T.
Frost Albert E.
Knuth Charles J.
McManus James M.
Pfizer Inc.
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