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:
Oct. 21, 2008
Filed:
Sep. 22, 2006
Applicant:
Keshab Sarma, Sunnyvale, CA (US);
Inventor:
Keshab Sarma, Sunnyvale, CA (US);
Assignee:
Roche Palo Alto LLC, Palo Alto, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07G 3/00 (2006.01); C07H 15/00 (2006.01); C07H 17/00 (2006.01); A01N 43/04 (2006.01); A61K 31/70 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention relates to a one-step process for the selective O-acylation of the hydroxy groups of a nucleoside under basic conditions utilizing DMAP and a carboxylic acid anhydride in aqueous heterogenous solvent mixture.