Long-acting betamimetics for the treatment of respiratory complaints

US7423036B2 · kind B2 · utility

Assignee

• Boehringer Ingelheim International GmbH · DE

Inventors

• Ingo Konetzki · Warthausen, DE
• Christoph Hoenke · Ingelheim am Rhein, DE
• Thierry Bouyssou · Mietingen, DE
• Andreas Schnapp · Biberach, DE

Key dates

• Filing date: Feb 15, 2006
• Grant date: Sep 9, 2008
• Expiry date: Feb 25, 2026

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07D413/14
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

The present invention relates to compounds of formula 1,wherein n, A, R1, R2 and R3 may have the meanings specified in the description and claims, processes for preparing them and their use as pharmaceutical compositions, particularly as pharmaceutical compositions for the treatment of respiratory complaints.