Fluorenecarboxylic acid esters, process for the manufacture thereof, and use thereof as medicaments

US6790856B2 · kind B2 · utility

Assignee

• BOEHRINGER INGELHEIM PHARMA GMBH & CO. KG · DE

Inventors

• Sabine Germeyer · Biberach an der Riß, DE
• Helmut Meissner · Ingelheim am Rhein, DE
• Gerd Morschhaeuser · Biberach, DE
• Sabine Pestel · Biberach, DE
• Michael Pieper · Ingelheim am Rhein, DE
• Gerald Pohl · Gau-Algesheim, DE
• Richard Reichl · Ingelheim am Rhein, DE
• Georg Speck · Ingelheim am Rhein, DE

Key dates

• Filing date: Jan 2, 2003
• Grant date: Sep 14, 2004
• Expiry date: Jan 2, 2023

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07D451/10
• WIPO field: Pharmaceuticals
• WIPO sector: Chemistry

Abstract

Flourenecarboxylic acid esters of general formula 1 wherein X− and the groups A, R, R1, R2, R3, R3′, R4, and R4′ have the meanings given in the claims and in the specification, processes for the manufacture thereof and the use thereof as medicaments.