Process for preparing new tiotropium salts, new tiotropium salts as such and pharmaceutical compositions thereof

US8686148B2 · kind B2 · utility

Assignee

• Boehringer Ingelheim International GmbH · DE

Inventors

• Rolf Banholzer · Stuttgart, DE
• Waldemar Pfrengle · Seibersbach, DE
• Peter Sieger · Mittelbiberach, DE

Key dates

• Filing date: Oct 29, 2004
• Grant date: Apr 1, 2014
• Expiry date: May 24, 2027

Classification

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

Abstract

The invention relates to a process for preparing new tiotropium salts, these new tiotropium salts as such, pharmaceutical formulations containing them and their use for preparing a medicament for the treatment of respiratory complaints, particularly for the treatment of COPD (chronic obstructive pulmonary disease) and asthma.