Invention Grant
- Patent Title: Process for the preparation of (r)-8-(3-aminopiperidin-1-yl)-7-(but-2-yn-1-yl)-3-methyl-1-((4-methylquinazolin-2-yl)methyl)-3,7-dihydro-1h-purine-2,6-dione
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Application No.: US15737760Application Date: 2016-06-24
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Publication No.: US10253026B2Publication Date: 2019-04-09
- Inventor: Weitong Dong , Yao Huang , Shengmin Su , Yongfen Sun , Pengtao Zhang
- Applicant: Boehringer Ingelheim International GmbH
- Applicant Address: DE Ingelheim am Rhein
- Assignee: Boenringer Ingelheim International GmbH
- Current Assignee: Boenringer Ingelheim International GmbH
- Current Assignee Address: DE Ingelheim am Rhein
- Agent David L. Kershner
- Priority: WOPCT/CN2015/082288 20150625
- International Application: PCT/EP2016/064692 WO 20160624
- International Announcement: WO2016/207364 WO 20161229
- Main IPC: C07D473/04
- IPC: C07D473/04

Abstract:
This invention relates to a method for preparation of a xanthine-based compound of formula (I): as well as to intermediates useful in such preparation.
Public/Granted literature
- US20180179207A1 PROCESS FOR THE PREPARATION OF A XANTHINE-BASED COMPOUND Public/Granted day:2018-06-28
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