Patents by Inventor Francoise Gueritte-Voegelein

Francoise Gueritte-Voegelein 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 derivatives of baccatine III and of 10-deacetyl baccatine III
    Patent number: 4924012
    Abstract: Process for preparing derivatives of baccatine III and of 10-deacetylbaccatine III, of general formula (I), in which R is hydrogen or acetyl, by condensation of an acid of general formula (II) with a derivative of baccatine III or of 10-deacetylbaccatine III of general formula (III), R.sub.1, R.sub.2 and R.sub.3 denoting hydroxy-protecting groups, followed by the replacement of the protecting groups by hydrogen.
    Type: Grant
    Filed: April 3, 1989
    Date of Patent: May 8, 1990
    Assignee: Rhone-Poulenc Sante
    Inventors: Michel Colin, Daniel Guenard, Francoise Gueritte-Voegelein, Pierre Potier
  • Process for preparing taxol
    Patent number: 4924011
    Abstract: Process for preparing taxol by the condensation of a (2R, 3S) acid of general formula (I) with a taxan derivative of general formula (II), followed by the removal of the groups R.sub.2 and R.sub.3 protecting the hydroxy groups.
    Type: Grant
    Filed: April 3, 1989
    Date of Patent: May 8, 1990
    Assignee: Centre National De La Recherche Scientifique
    Inventors: Jean-Noel Denis, Andrew E. Greene, Daniel Guenard, Francoise Gueritte-Voegelein
  • Process for the preparation of taxol and 10-deacetyltaxol
    Patent number: 4857653
    Abstract: Taxol and 10-deacetyltaxol are prepared from a compound of formula: ##STR1## in which R' represents acetyl or 2,2,2-trichloroethoxycarbonyl radical, by removal of the t-butoxycarbonyl radical, benzoylation of the amine product obtained, and removal of the 2,2,2-trichloroethoxycarbonyl group(s).
    Type: Grant
    Filed: July 14, 1987
    Date of Patent: August 15, 1989
    Assignee: Rhone-Poulenc Sante
    Inventors: Michel Colin, Daniel Guenard, Francoise Gueritte-Voegelein, Pierre Potier
  • Taxol derivatives, their preparation and pharmaceutical compositions containing them
    Patent number: 4814470
    Abstract: Taxol derivatives of formula ##STR1## in which R represents hydrogen or acetyl, one of R.sub.1 or R.sub.2 represents hydroxy and the other represents tert-butoxycarbonylamino and their isomers are useful antitumor agents.
    Type: Grant
    Filed: July 14, 1987
    Date of Patent: March 21, 1989
    Assignee: Rhone-Poulenc Sante
    Inventors: Michel Colin, Daniel Guenard, Francoise Gueritte-Voegelein, Pierre Potier
  • Process for preparing taxol
    Patent number: RE34277
    Abstract: Process for preparing taxol by the condensation of a (2R, 3S) acid of general formula (I) with a taxan derivative of general formula (II), followed by the removal of the groups R.sub.2 and R.sub.3 protecting the hydroxy groups .Iadd.and intermediates used therein.Iaddend..
    Type: Grant
    Filed: November 1, 1991
    Date of Patent: June 8, 1993
    Assignee: Centre National de la Recherche Scientifique
    Inventors: Jean-Noel Denis, Andrew E. Greene, Daniel Guenard, Francoise Gueritte-Voegelein