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. 16, 2018
Filed:
Dec. 16, 2015
Applicants:
Centre National DE LA Recherche Scientifique, Paris, FR;
Universite DE Montpellier, Montpellier, FR;
Inventors:
Assignees:
CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE, Paris, FR;
UNIVERSITE DE MONTPELLIER, Montpellier, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 45/72 (2006.01); C07C 45/75 (2006.01);
U.S. Cl.
CPC ...
C07C 45/75 (2013.01); C07C 45/72 (2013.01);
Abstract
Disclosed is a process for preparing a product of formula I: wherein the reaction is catalyzed both by thiamine or a thiamine salt and by ascorbic acid in a form which is free or salified or an organic acid salt of an alkaline metal, preferably sodium acetate, potassium tartrate, sodium succinate, or a reductone, preferably 2-hydroxypropanedial or 2,3-dihydroxycyclopent-2-ene-1-one in an organic solvent.