Processes for preparing of glucopyranosyl-substituted benzyl-benzene derivates and intermediates therein

US9127034B2 · kind B2 · utility

Assignee

• Boehringer Ingelheim International GmbH · DE

Inventors

• Matthias Eckhardt · Hannover, DE
• Frank Himmelsbach · Mittelbiberach, DE
• Xiao-Jun Wang · Danbury, US
• Wenjun Tang · Shanghai, CN
• Xiufeng Sun · Monroe, US
• Li Zhang · New Milford, US
• Dhileepkumar Krishnamurthy · Westborough, US
• Christopher Hugh Senanayake · Brookfield, US
• Zhengxu Han · Shrewsbury, US

Key dates

• Filing date: May 28, 2010
• Grant date: Sep 8, 2015
• Expiry date: Sep 11, 2032

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07H19/01
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

The present invention relates to processes for preparing the compounds of general formula I,wherein the groups R1 and R3 are defined according to claim 1. Furthermore this inventions relates to intermediates obtained in these processes.