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:
Nov. 20, 2012
Filed:
Dec. 15, 2009
Applicant:
Antony Bigot, Paris, FR;
Inventor:
Antony Bigot, Paris, FR;
Assignee:
Sanofi, Paris, FR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07D 211/72 (2006.01);
U.S. Cl.
CPC ...
Abstract
The invention relates to a method for preparing an activated ester of the formula (I), where R is a (C-C) alkyl, aryl, heteroaryl, cycloalkyl, or heterocycloalkyl group, and ALK is a (C-C) alkylene group, said method consisting of reacting the dicyclohexylamine Psalt and the disuccinimidyl carbonate (DSC) in a solvent in which the dicyclohexylamine salt of the N-hydroxysuccinimide Pis precipitated. The invention also relates to products of the formula P.