Crystalline anticholinergic, processes for preparing it and its use for preparing a pharmaceutical composition

US6608055B2 · kind B2 · utility

Assignee

• BOEHRINGER INGELHEIM PHARMA GMBH & CO. KG · DE

Inventors

• Peter Sieger · Mittelbiberach, DE
• Ulrike Werthmann · Biberach an der Riß, DE

Key dates

• Filing date: Jun 11, 2002
• Grant date: Aug 19, 2003
• Expiry date: Jun 11, 2022

Classification

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

Abstract

The invention relates to crystalline anhydrous (1&agr;,2&bgr;,4&bgr;,5&agr;,7&bgr;)-7-[(hydroxydi-2-thienylacetyl)oxy]-9,9-dimethyl-3-oxa-9-azoniatricyclo[3.3.1.022,4]nonane-bromide, processes for preparing it and its use for preparing a pharmaceutical composition, particularly for preparing a pharmaceutical composition with an anticholinergic activity.