Invention Grant
US08975442B2 Process for the preparation of and crystalline forms of optical enantiomers of modafinil
有权
莫达非尼的光学对映异构体的制备和结晶形式的方法
- Patent Title: Process for the preparation of and crystalline forms of optical enantiomers of modafinil
- Patent Title (中): 莫达非尼的光学对映异构体的制备和结晶形式的方法
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Application No.: US14012363Application Date: 2013-08-28
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Publication No.: US08975442B2Publication Date: 2015-03-10
- Inventor: Pierre Leproust , Olivier Neckebrock
- Applicant: Teva Sante
- Applicant Address: FR La Defense Cedex (Paris)
- Assignee: Teva Sante
- Current Assignee: Teva Sante
- Current Assignee Address: FR La Defense Cedex (Paris)
- Priority: FR0216412 20021220
- Main IPC: C07C315/06
- IPC: C07C315/06 ; C07C317/28 ; C07C315/04
Abstract:
The invention relates to a polymorphic form of (−)-modafinil that produces a powder X-ray diffraction spectrum comprising intensity peaks corresponding to interplanar spacings of about 14.14, 10.66, 7.80 and 4.02 Å, and a process for the preparation thereof.
Public/Granted literature
- US20140031589A1 PROCESS FOR THE PREPARATION OF AND CRYSTALLINE FORMS OF OPTICAL ENANTIOMERS OF MODAFINIL Public/Granted day:2014-01-30
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