Process for the preparation of crystalline form I of methanesulfonate salt of dabigatran etexilate

US9150542B2 · kind B2 · utility

Assignee

• RANBAXY LABORATORIES LIMITED · IN

Inventors

• Sudhir Singh Sanwal · Kangra, IN
• Anandam Vempali · Nellore, IN
• Balaguru Murugesan · Coimbatore, IN
• Swargam Sathyanarayana · Delhi, IN
• Rajesh Kumar Thaper · Jammu, IN
• Mohan Prasad · Manesar, IN

Key dates

• Filing date: Sep 2, 2013
• Grant date: Oct 6, 2015
• Expiry date: Sep 2, 2033

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07D401/12
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

The present invention relates to a process for the preparation of crystalline Form I of methanesulfonate salt of dabigatran etexilate. (Formula (I)). The present invention does not require the isolation of the dabigatran etexilate intermediate.