Novel choline cocrystal of epalrestat
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- BIONEVIA PHARMACEUTICALS INC
- Publication Date
- 2014-11-05
- Estimated Expiration
- Not applicable · inactive patent
Smart Images

Figure 1 
Figure 2 
Figure 3
Abstract
Description
[0001] Cross References to Related Applications
[0002] Pursuant to 35 U.S.C. §119, this application claims priority to US Provisional Application US 61 / 094,904, filed September 6, 2008, which is incorporated herein by reference. technical field
[0003] The present invention relates to novel choline cocrystals of 5-[(1Z,2E)-2-methyl-3-phenylpropenylene]-4-oxo-2-thioxo-3-thiazolidineacetic acid, such The preparation method of the new co-crystal, the pharmaceutical composition containing the new choline co-crystal and the method of treating and / or preventing various diseases by administering the new choline co-crystal. Background technique
[0004] The common name of the compound 5-[(1Z,2E)-2-methyl-3-phenylpropenylene]-4-oxo-2-thio-3-thiazolidineacetic acid (shown below) is "according to parerestat", which is an active pharmaceutical ingredient ("API") known to have beneficial therapeutic activity, for example as an aldose reductase inhibitor:
[0005]
[0006] The pre...