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:
Aug. 02, 2016
Filed:
May. 30, 2011
Applicants:
Dino Alberico, Mississauga, CA;
Joshua Clayton, Stoney Creek, CA;
Craig Dixon, Brooklin, CA;
Boris Gorin, Oakville, CA;
Inventors:
Dino Alberico, Mississauga, CA;
Joshua Clayton, Stoney Creek, CA;
Craig Dixon, Brooklin, CA;
Boris Gorin, Oakville, CA;
Assignee:
Alphora Research Inc., Ontario, CA;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07D 473/18 (2006.01); C07H 19/16 (2006.01); C07D 319/08 (2006.01); C07D 493/04 (2006.01);
U.S. Cl.
CPC ...
C07H 19/16 (2013.01); C07D 319/08 (2013.01); C07D 473/18 (2013.01); C07D 493/04 (2013.01); Y02P 20/55 (2015.11);
Abstract
Disclosed is a process for preparing a carbonucleoside of formula (1) and intermediates for use therein. The process involves the step of reacting a compound of formula (2) with a compound of formula (3) under Mitsunobu-type reaction conditions to obtain a compound of formula (4), wherein PG, PG, PGand PGare protecting groups. The compound of formula (4) is deprotected to form the compound of formula (1), as shown below.