Patents by Inventor Corinne Leroy

Corinne Leroy has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Process for preparing aminobenzoylbenzofuran derivatives
    Patent number: 8884033
    Abstract: The disclosure relates to a process for preparing 5-aminobenzoylbenzofuran derivatives of formula I: in which R1 and R2 are as defined in the disclosure; by reduction of a 5-nitrobenzofuran derivative of formula II: using a hydrogen transfer agent, in the presence of palladium-on-charcoal as catalyst and in an ether or an ether mixture as solvent.
    Type: Grant
    Filed: January 16, 2013
    Date of Patent: November 11, 2014
    Assignee: Sanofi
    Inventors: Xavier Bon, Christine Biencourt, Corinne Leroy, Julia Mateos-Caro, Philippe Vayron
  • Process for preparing aminobenzofuran derivatives
    Patent number: 8686180
    Abstract: This disclosure relates to a process for preparing 5-aminobenzofuran derivatives of general formula (I): in which R1 and R2 are as defined in the description, by treating a 5-N-alkylamidobenzofuran derivative of general formula (II): in which R1, R2, and R3 are as defined in the description, with a strong acid, so as to form an acid addition salt of the compound of formula (I), which salt is itself treated, if necessary, with a basic agent so as to form this compound of formula (I) in free base form.
    Type: Grant
    Filed: September 27, 2012
    Date of Patent: April 1, 2014
    Assignee: SANOFI
    Inventors: Xavier Bon, Corinne Leroy
  • Methanesulphonamido-benzofuran, preparation method and use thereof as synthesis intermediate
    Patent number: 6828448
    Abstract: The invention relates to 2-butyl-5-(methanesulfonamido)benzofuran, its preparation and its use. This compound is a synthesis intermediate, in particular for the preparation of dronedarone.
    Type: Grant
    Filed: June 10, 2003
    Date of Patent: December 7, 2004
    Assignee: Sanofi-Synthelabo
    Inventors: Noël Fino, Corinne Leroy
  • Methanesulphonamido-benzofuran, preparation method and use thereof as synthesis intermediate
    Publication number: 20040048921
    Abstract: The invention relates to 2-butyl-5-(methanesulfonamido)benzofuran, its preparation and its use.
    Type: Application
    Filed: June 10, 2003
    Publication date: March 11, 2004
    Inventors: Noel Fino, Corinne Leroy