Invention Grant
- Patent Title: Crystalline linagliptin intermediate and process for preparation of linagliptin
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Application No.: US16832067Application Date: 2020-03-27
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Publication No.: US11040974B2Publication Date: 2021-06-22
- Inventor: Venkata Raghavendracharyulu Palle , Shanmughasamy Rajmahendra , Dharshan Jakkali Chandregowda , Thangarasu Ponnusamy
- Applicant: BIOCON LIMITED
- Applicant Address: IN Bangalore
- Assignee: BIOCON LIMITED
- Current Assignee: BIOCON LIMITED
- Current Assignee Address: IN Bangalore
- Agency: Katten Muchin Rosenman LLP
- Priority: IN201741034292 20170927
- Main IPC: C07D473/06
- IPC: C07D473/06 ; C07D473/04
Abstract:
The present invention provides novel crystalline forms B1 & B2 of linagliptin intermediate of structural formula V and methods for production of novel crystalline form of linagliptin intermediate represented by the following structural formula V.
Information query
