3-amino!-tetrahydrocarbazole-propanoic acid esters

US5684158A · kind A · utility

Assignee

• BAYER HEALTHCARE LLC · DE

Inventors

• Samir Samaan · Wuppertal, DE
• Joachim Lanz · Wuppertal, DE
• Paul Naab · Bad Reichenhall, DE
• Ulrich Rosentreter · Binnen, DE

Key dates

• Filing date: Feb 22, 1996
• Grant date: Nov 4, 1997
• Expiry date: Feb 22, 2016

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07D209/88
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

The invention relates to new 3-amino!-tetrahydrocarbazole-propanoic acid esters which can be used as intermediates for the preparation of known thromboxane-antagonistic active compounds, and to a method for the purification of these active compounds.