Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Having -c- – wherein x is chalcogen – bonded directly to...
Patent
1993-10-22
1995-04-04
Fan, Jane T.
Drug, bio-affecting and body treating compositions
Designated organic active ingredient containing
Having -c-, wherein x is chalcogen, bonded directly to...
546277, 546281, 514343, C07D40110, A61K 3144
Patent
active
054038499
ABSTRACT:
4-Heterocyclophenyl-substituted dihydropyridines ##STR1## are prepared either by reacting suitable aldehydes with amino esters and .beta.-keto esters, or preparing the heterocyclic substituents of the 4-phenyl by cyclization of corresponding amidines or hydrazides, or esterifying dihydropyridinecarboxylic acids, which are already substituted by heterocyclic radicals, with corresponding alcohols. The 4-heterocyclophenyl-substituted dihydropyridines can be employed in medicaments, in particular for treatment of diseases of the central nervous system.
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de Jonge Maarten
Gao Zhan
Hartwig Wolfgang
Junge Bodo
Meier Heinrich
Bayer Aktiengesellschaft
Fan Jane T.
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