Process for making certain compounds having B1 antagonistic activity

US8207335B2 · kind B2 · utility

Assignee

• Boehringer Ingelheim International GmbH · DE

Inventors

• Adil Duran · Biberach an der Riß, DE
• Markus Frank · Baden-Baden, DE
• Waldemar Pfrengle · Seibersbach, DE
• Juergen Schnaubelt · Biberach, DE

Key dates

• Filing date: Feb 8, 2010
• Grant date: Jun 26, 2012
• Expiry date: Sep 30, 2030

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07C311/29
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

The present invention relates to a method of preparing compounds of general formula Iwherein m, n, R1 and R2 are defined as mentioned hereinafter, the enantiomers, the diastereomers, the mixtures and the salts thereof, particularly the physiologically acceptable salts thereof with organic or inorganic acids or bases.