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:
Feb. 03, 2009
Filed:
May. 02, 2006
Applicants:
Ko-chung Lin, Lexington, MA (US);
Wensen LI, Holmdel, NJ (US);
Inventors:
Ko-Chung Lin, Lexington, MA (US);
Wensen Li, Holmdel, NJ (US);
Assignee:
Pharmaessentia Corp., Taipei, TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07H 21/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
This invention relates to a process for stereoselectively preparing a nucleoside of the following formula: wherein R, R, and B are defined herein. The process includes reacting a furanose compound with a nucleobase in the presence of a halide salt. Also disclosed is another process for stereoselectively synthesizing an intermediate that can be used to make the starting compound in the first-mentioned process.