Dihydroxymethylphenyl derivatives, processes for preparing them, and their use as pharmaceuticals

US7135500B2 · kind B2 · utility

Assignee

• BOEHRINGER INGELHEIM PHARMA GMBH & CO. KG · DE

Inventors

• Ingo Konetzki · Warthausen, DE
• Kurt Schromm · Ingelheim am Rhein, DE
• Hermann Schollenberger · Ingelheim am Rhein, DE
• Sabine Pestel · Biberach, DE
• Andreas Schnapp · Biberach, DE
• Thierry Bouyssou · Mietingen, DE
• Frank Buettner · Biberach an der Riß, DE
• Claudia Heine · Biberach, DE

Key dates

• Filing date: Oct 30, 2003
• Grant date: Nov 14, 2006
• Expiry date: Sep 18, 2024

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A61P43/00
• WIPO field: Pharmaceuticals
• WIPO sector: Chemistry

Abstract

A compound of formula 1wherein the groups 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 for the treatment of inflammatory and obstructive respiratory complaints.