Patents by Inventor Jean-Paul Casimir

Jean-Paul Casimir 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 4-(cyclopropylmethoxy)-N-(3,5-dichloro-1-oxido-4-pyridyl)-5-methoxypyridine-2-carboxamide
    Patent number: 9611250
    Abstract: The present invention relates to a novel process for preparing the compound 4-(cyclopropylmethoxy)-N-(3,5-di-chloro-1-oxido-4-pyridyl)-5-methoxypyridine-2-carboxamide of formula (1), in base or hydrate form or in the form of pharmaceutically acceptable salts, and also to several novel synthetic intermediates that are useful in this preparation process.
    Type: Grant
    Filed: November 28, 2013
    Date of Patent: April 4, 2017
    Assignee: SANOFI
    Inventors: Jean-Paul Casimir, Guy Rossey, Christian Wehrey
  • PROCESS FOR PREPARING 4-(CYCLOPROPYLMETHOXY)-N-(3,5-DICHLORO-1-OXIDO-4-PYRIDYL)-5-METHOXYPYRIDINE-2-CARBOXAMIDE
    Publication number: 20150307474
    Abstract: The present invention relates to a novel process for preparing the compound 4-(cyclopropylmethoxy)-N-(3,5-di-chloro-1-oxido-4-pyridyl)-5-methoxypyridine-2-carboxamide of formula (1), in base or hydrate form or in the form of pharmaceutically acceptable salts, and also to several novel synthetic intermediates that are useful in this preparation process.
    Type: Application
    Filed: November 28, 2013
    Publication date: October 29, 2015
    Inventors: Jean-Paul CASIMIR, Guy ROSSEY, Christian WEHREY
  • Process for the preparation of combretastatins
    Patent number: 6759555
    Abstract: The present invention provides novel processes for the preparation of combretastatins or stilbene compounds of formulae (I) and (III) wherein A is NH2 or and PG is a protecting group.
    Type: Grant
    Filed: April 9, 2003
    Date of Patent: July 6, 2004
    Assignee: Aventis Pharma S.A.
    Inventors: Stéphane Mutti, Michel Lavigne, Irina Malejonock, Jean-Paul Casimir
  • Process for the preparation of combretastatins
    Publication number: 20030220404
    Abstract: The present invention provides novel processes for the preparation of combretastatins or stilbene compounds of formulae (I) and (III) 1
    Type: Application
    Filed: April 9, 2003
    Publication date: November 27, 2003
    Inventors: Stephane Mutti, Michel Lavigne, Irina Malejonock, Jean-Paul Casimir
  • Steroespecific preparation of chiral 1-aryl- and 1-heteroaryl-2-substituted ethyl-2-amines
    Patent number: 6433172
    Abstract: This invention is directed to methods for stereospecifically preparing [(1-optionally substituted aryl)- or (1-optionally substituted heteroaryl)]-2-substituted ethyl-2-amines, having chirality at the 2-position, and to intermediates to the substituted ethyl-2-amines.
    Type: Grant
    Filed: October 25, 1999
    Date of Patent: August 13, 2002
    Assignee: Aventis Pharmaceuticals Inc.
    Inventors: Luc Grondard, Jean-Paul Casimir, Patrick Leon, Michael K. O'Brien, Matthew R. Powers, Daniel Robin
  • Stereospecific preparation of chiral 1-aryl-and 1-heteroaryl-2-substituted ethyl-2-amines
    Patent number: 6127550
    Abstract: This invention is directed to methods for stereospecifically preparing [(1-optionally substituted aryl)- or (1-optionally substituted heteroaryl)]-2-substituted ethyl-2-amines, having chirality at the 2-position, and to intermediates to the substituted ethyl-2-amines.
    Type: Grant
    Filed: March 11, 1999
    Date of Patent: October 3, 2000
    Assignee: Rhone-Poulenc Rorer Pharmaceuticals Inc.
    Inventors: Luc Grondard, Jean-Paul Casimir, Patrick Leon, Michael K. O'Brien, Matthew R. Powers, Daniel Robin