Patents by Inventor Fréderic Bailly

Fréderic Bailly 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).

  • Method for preparing 3-keto-benzofurane derivatives
    Patent number: 8871956
    Abstract: The invention relates to a method for preparing 3-keto-benzofurane derivatives of the general formula: Formula (I), where R is an alkyl or aryl group, R1 is hydrogen or an alkyl or aryl group, and R2 is a substituted alkyl or phenyl group. Said preparation method involves coupling a derivative of Formula III, where X is chlorine, bromine, or iodine or a sulfonate grouping: Formula (III) with a sulfonamide derivative of the formula R—SO2—NH2 in the presence of a basic agent and a catalytic system formed of a complex between a palladium compound and a ligand.
    Type: Grant
    Filed: March 30, 2011
    Date of Patent: October 28, 2014
    Assignee: Sanofi
    Inventors: Fréderic Bailly, Thomas Priem, Philippe Vayron
  • METHOD FOR PREPARING 3-KETO-BENZOFURANE DERIVATIVES
    Publication number: 20130165673
    Abstract: The invention relates to a method for preparing 3-keto-benzofurane derivatives of the general formula: Formula (I), where R is an alkyl or aryl group, R1 is hydrogen or an alkyl or aryl group, and R2 is a substituted alkyl or phenyl group. Said preparation method involves coupling a derivative of Formula III, where X is chlorine, bromine, or iodine or a sulfonate grouping: Formula (III) with a sulfonamide derivative of the formula R—SO2—NH2 in the presence of a basic agent and a catalytic system formed of a complex between a palladium compound and a ligand.
    Type: Application
    Filed: March 30, 2011
    Publication date: June 27, 2013
    Applicant: SANOFI
    Inventors: Fréderic Bailly, Thomas Priem, Philippe Vayron