Long acting bronchodilators for the treatment of respiratory diseases

US7745621B2 · kind B2 · utility

Assignee

• Boehringer Ingelheim International GmbH · DE

Inventors

• Matthias Grauert · Ingelheim am Rhein, DE
• Thierry Bouyssou · Mietingen, DE
• Philipp Lustenberger · Warthausen, DE
• Steffen Breitfelder · Aßmannshardt, DE
• Andreas Schnapp · Biberach, DE
• Michael Pieper · Ingelheim am Rhein, DE
• Klaus Rudolf · Warthausen, DE
• Georg Speck · Ingelheim am Rhein, DE

Key dates

• Filing date: May 10, 2005
• Grant date: Jun 29, 2010
• Expiry date: Aug 23, 2026

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07D265/36
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

The invention relates to compounds of general formula 1wherein n, A, B, D, L, R1, R2, R3 and R4 may have the meanings given in the claims and in the specification, processes for preparing them, and their use as pharmaceutical compositions, particularly as pharmaceutical compositions for the treatment of respiratory complaints.