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:
Jun. 03, 2014
Filed:
Sep. 15, 2009
Applicants:
Pierre Jean Grossi, Paris, FR;
Christian Hoff, Paris, FR;
Jean-claude Rovera, Paris, FR;
Raphael Sole, Paris, FR;
Inventors:
Pierre Jean Grossi, Paris, FR;
Christian Hoff, Paris, FR;
Jean-Claude Rovera, Paris, FR;
Raphael Sole, Paris, FR;
Assignee:
Sanofi, Paris, FR;
Primary Examiner:
Int. Cl.
CPC ...
C07H 3/02 (2006.01);
U.S. Cl.
CPC ...
C07H 3/02 (2013.01);
Abstract
The invention relates to a method for preparing 1,6:2,3-dianhydro-â-D-mannopyranose and is characterized in that it includes a step of cyclizing the compound C, where R is an alykyl group and R' is an activating agent, in an alcohol/alcoholate mixture under anhydrous conditions.