N-acylpyrrolidine derivatives

US5254696A · kind A · utility

Assignee

• BAYER HEALTHCARE LLC · DE

Inventors

• Michael Negele · Cologne, DE
• Bernd Baasner · Bensberg, DE
• Heinz-Jurgen Bertram · Holzminden, DE
• Jurgen Hartwig · Essen, DE

Key dates

• Filing date: Jul 21, 1992
• Grant date: Oct 19, 1993
• Expiry date: Jul 21, 2012

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07D207/26
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

Novel pyrrolidine derivatives of the formula ##STR1## in which R.sub.1, R.sub.2, R.sub.3, R.sub.4 and R.sub.5 have the meaning specified in the description, PA1 X represents hydrogen, fluorine, chlorine, bromine or optionally substituted C.sub.1 -C.sub.4 -alkyl, and m represents 1, 2 or 3.