Cis, endo-2-azabicyclo-[3.3.0]-octane-5-carboxylic acids

US5053519A · kind A · utility

Assignee

• Hoechst GmbH · DE

Inventors

• Volker Teetz · Hofheim, DE
• Rolf Geiger · Frankfurt am Main, DE
• Hansjorg Urbach · Kronberg, DE
• Reinhard Becker · Wiesbaden, DE
• Bernward Scholkens · Kelkheim, DE

Key dates

• Filing date: Feb 28, 1989
• Grant date: Oct 1, 1991
• Expiry date: Feb 28, 2009

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A61K38/00
• WIPO field: Pharmaceuticals
• WIPO sector: Chemistry

Abstract

Compounds of the formula I ##STR1## in which the carboxyl group on carbon atom 3 is orientated in the endo-position relative to the bicyclic ring system of cis-configuration, and in which R.sup.1 denotes hydrogen, allyl, vinyl or a side-chain of a naturally occurring .alpha.-aminoacid, which may be protected, R.sup.2 denotes hydrogen, alkyl, alkenyl or aralkyl, Y denotes hydrogen or hydroxyl and Z denotes hydrogen, or Y and Z together denote oxygen, and X denotes alkyl, alkenyl or cycloalkyl, or aryl which is optionally mono-, di- or tri-substituted by alkyl, alkoxy, hydroxyl, halogen, nitro, amino, alkylamino, dialkylamino or methylenedioxy, or denotes indol-3-yl, a process for their preparation, agents containing these compounds and their use.