The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Jun. 02, 2009

Filed:

May. 23, 2005
Applicants:

Yong Victoria Wei, Branchburg, NJ (US);

Naidaong YE, Malvern, PA (US);

Kimm Galbraith, Spring City, MD (US);

Jianfeng Shi, Baltimore, MD (US);

Wuyi Wang, Silver Spring, MD (US);

Yungen Xu, Baltimore, MD (US);

Mallikarjun Reddy Ravi, Baltimore, MD (US);

Inventors:

Yong Victoria Wei, Branchburg, NJ (US);

Naidaong Ye, Malvern, PA (US);

Kimm Galbraith, Spring City, MD (US);

Jianfeng Shi, Baltimore, MD (US);

Wuyi Wang, Silver Spring, MD (US);

Yungen Xu, Baltimore, MD (US);

Mallikarjun Reddy Ravi, Baltimore, MD (US);

Assignee:

Vela Acquisition Corporation, Iselin, NJ (US);

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
A61P 25/22 (2006.01); A61K 31/551 (2006.01); C07D 243/02 (2006.01);
U.S. Cl.
CPC ...
Abstract

Methods for the racemization of an enantiomer of a 2,3-benzodiazepine molecule into the corresponding racemic mixture under either basic or acidic conditions are described. Furthermore, the invention relates to the conversion of an enantiomer of tofisopam or its metabolites to the corresponding opposite enantiomer.


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