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.
Patent No.:
Date of Patent:
Dec. 04, 2012
Filed:
Sep. 07, 2007
Applicants:
Yongxiang Xu, Nanjing, CN;
Hao Yang, Nanjing, CN;
Wen Hou, Nanjing, CN;
Inventors:
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07H 19/00 (2006.01); C07H 21/00 (2006.01); C07H 1/00 (2006.01); C07H 3/00 (2006.01); C08B 37/00 (2006.01); A01N 43/04 (2006.01); A61K 31/70 (2006.01); C07D 237/00 (2006.01); C07D 237/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention provides a novel and highly stereoselective process for preparing gemcitabine, which is suitable for industrial production, wherein, it includes the following reactions. Additionally, the invention discloses the key intermediates. The definition for the groups of G1, G2, G3, G4, and G5 are described in the specification.
Xu, Yongxiang. (2012). Highly stereoselective process for preparing gemcitabine and intermediates thereof (U.S. Patent No. 8324373). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8324373
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile