Optically-active 1,4-dihydropyridine

US4975440A · kind A · utility

Assignee

• Byk Gulden Lomberg Chemische Fabrik GmbH · DE

Inventors

• Dieter Flockerzi · Allensbach, DE
• Wolf-Rudiger Ulrich · Konstanz, DE

Key dates

• Filing date: Mar 27, 1987
• Grant date: Dec 4, 1990
• Expiry date: Mar 27, 2007

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07D417/14
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

The invention relates to 3-methyl-5-[3-(4,4-diphenylpiperid-1-yl)-propyl] (+)-1,4-dihydro-2,6-dimethyl-4-(3-nitrophenyl)-piperidine-3,5-dicarboxylat e and its salts and to their preparation and use.