Process for the preparation of 3.beta.-aminocholanic acid derivatives

US5486626A · kind A · utility

Assignee

• Hoechst GmbH · DE

Inventors

• Alfons Enhsen · Lennestadt, DE
• Heiner Glombik · Hofheim, DE
• Werner Kramer · Schwandorf, DE
• Gunther Wess · Niederrodenbach, DE

Key dates

• Filing date: Mar 7, 1994
• Grant date: Jan 23, 1996
• Expiry date: Mar 7, 2014

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07J41/0011
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

Process for the preparation of 3.beta.-aminocholanic acid derivatives A process for the preparation of 3.beta.-aminocholanic acid derivatives of the formula II ##STR1## wherein R(1), R(2) and R(3) have the meanings given, starting from the corresponding 3.beta.-hydroxycholanic acid esters, is described.