Carbamic acid esters with anticholinergic activity

US7041674B2 · kind B2 · utility

Assignee

• BOEHRINGER INGELHEIM PHARMA GMBH & CO. KG · DE

Inventors

• Steffen Breitfelder · Aßmannshardt, DE
• Matthias Hoffmann · Mittelbiberach, DE
• Matthias Grauert · Ingelheim am Rhein, DE
• Michael Pieper · Ingelheim am Rhein, DE
• Georg Speck · Ingelheim am Rhein, DE

Key dates

• Filing date: Nov 20, 2003
• Grant date: May 9, 2006
• Expiry date: Jun 5, 2024

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07D451/06
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

A compound of formula 1 wherein X−, A, R1, R2, R3, and R4 may have the meanings given in the claims and in the specification, processes for preparing them, their use in pharmaceutical compositions, and methods of treating patients using them.