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
1996-03-26
Fan, Jane
Drug, bio-affecting and body treating compositions
Designated organic active ingredient containing
Having -c-, wherein x is chalcogen, bonded directly to...
546284, C07D40904, A61K 3144
Patent
active
055020640
ABSTRACT:
4-Heterocyclyl-substituted dihydropyridines are prepared by reacting appropriate aldehydes with .beta.-keto esters and aminocrotonic acid esters, or by esterifying 4-hetero-cyclyl-substituted dihydropyridinecarboxylic acids. The 4-heterocyclyl-substituted dihydropyridines can be employed in medicaments, in particular for the treatment of disorders of the central nervous system.
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de Jonge Maarten
Gao Zhan
Hartwig Wolfgang
Junge Bodo
Meier Heinrich
Bayer Aktiengesellschaft
Fan Jane
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