Benzylidenequinuclidinones

US5399563A · kind A · utility

Assignee

• Merck Patent GmbH · DE

Inventors

• Ingeborg Stein · Langen (Hessen), DE
• Roland Martin · Hamburg, DE
• Michael Casutt · Pfungstadt, DE
• Ulrich Heywang · Darmstadt, DE
• Henning Bottcher · Darmstadt, DE
• Gunther Holzemann · Seeheim-Jugenheim, DE

Key dates

• Filing date: Jul 1, 1993
• Grant date: Mar 21, 1995
• Expiry date: Jul 1, 2013

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07D453/02
• WIPO field: Pharmaceuticals
• WIPO sector: Chemistry

Abstract

The invention relates to benzylidene-quinuclidinone derivatives of the formula I ##STR1## in which R.sup.1 is A; PA1 R.sup.2, R.sup.3, R.sup.4 and R.sup.5 are in each case independently of one another H, A, OA or OH; and PA1 A is a straight-chain or branched alkyl radical having 1 to 10 C atoms and processes for their preparation and their use in cosmetic and/or pharmaceutical preparations.