Patents by Inventor Jean-Dominique Bourzat

Jean-Dominique Bourzat 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).

  • Patent number: 7074821
    Abstract: New taxoids of general formula (I), their preparation and pharmaceutical compositions containing them. In general formula (I), Ar represents an aryl radical, R represents a hydrogen atom or an acetyl, alkoxyacetyl or alkyl radical, R1 represents a benzoyl radical or a radical of formula R2—O—CO— in which R2 represents an optionally substituted alkyl radical, an alkenyl, alkynyl, cycloalkyl, cycloalkenyl, bicycloalkyl, phenyl or heterocyclyl radical. The new products of general formula (I) have a remarkable antitumor activity.
    Type: Grant
    Filed: December 8, 1993
    Date of Patent: July 11, 2006
    Assignee: Aventis Pharma, S.A.
    Inventors: Hervé Bouchard, Jean-Dominique Bourzat, Alain Commercon
  • Patent number: 6632814
    Abstract: The invention is directed to physiologically active compounds of formula (I): wherein R1 represents R3—Z3—, R3—L2—R4—Z3—, R3—L3—Ar1—L4—Z3— or R3—L3—Ar1—L2—R4—Z3—; R2 represents hydrogen, halogen, lower alkyl or lower alkoxy; A1 represents a straight chain C2-3alkylene linkage optionally substituted by one or more groups chosen from alkyl, aryl, arylalkyl, heteroaryl, heteroarylalkyl, imino, oxo, thioxo, or alkyl substituted by —ZR6, —NY1Y2, —CO2R6 or —C(═O)—NY1Y2; L1 represents a direct bond; an alkenylene, alkylene, alkynylene, cycloalkenylene, cycloalkylene, heteroaryldiyl, heterocycloalkylene or arylene linkage each optionally substituted by (a) an acidic functional group, cyano, oxo, —S(O)mR9, R3, —C(═O)—R3, —C(═O)—OR3, —N(R8)—C(═O)—R9, —N(R8)—C(═O)—OR9, —N(R
    Type: Grant
    Filed: August 23, 2000
    Date of Patent: October 14, 2003
    Assignees: Aventis Pharma Ltd., Aventis Pharmaceuticals Recherche Developpment
    Inventors: Jean-Dominique Bourzat, Alain Commercon, Bruno Jacques Christophe Filoche, Neil Victor Harris, Thomas David Pallin, Keith Alfred James Stuttle
  • Patent number: 6608084
    Abstract: The invention is directed to physiologically active compounds of formula (I) wherein R1 represents R3—Z3—, R3—L2—R4—Z3—, R3—L3—Ar1—L4—Z3— or R3—L3—Ar1—L2—R4—Z3—; R2 represents hydrogen, halogen, lower alkyl or lower alkoxy; A1 represents a straight chain C1-3alkylene linkage optionally substituted by one or more groups chosen from alkyl, aryl, arylalkyl, heteroaryl, heteroarylalkyl, imino, oxo, thioxo, or alkyl substituted by —ZR6, —NY1Y2, —CO2R6 or —C(═O)—NY1Y2; L1 represents a direct bond; an alkenylene, alkylene, alkynylene, cycloalkenylene, cycloalkylene, heteroaryldiyl, heterocycloalkylene or arylene linkage each optionally substituted by (a) an acidic functional group, cyano, oxo, —S(O)mR9, R3, —C(═O)—R3, —C(═O)—OR3, —N(R8)—C(═O)R9, —N(R8)—SO2—R9, —NY4Y5 or —[C
    Type: Grant
    Filed: October 17, 2001
    Date of Patent: August 19, 2003
    Assignees: Aventis Pharma Ltd., Aventis Recherche Developpment
    Inventors: Jean-Dominique Bourzat, Alain Commercon, Bruno Jacques Christophe Filoche, Neil Victor Harris, Clive McCarthy
  • Patent number: 6593482
    Abstract: Methods of preparing methylthiomethyloxy taxoids of formula (XXXIV) from baccatin and &bgr;-lactam are presented. These new taxoids display noteworthy anti-tumor and anti-leukemic properties.
    Type: Grant
    Filed: December 31, 2001
    Date of Patent: July 15, 2003
    Assignees: Aventis Pharma S.A., The Research Foundation of State University of New York
    Inventors: Hervé Bouchard, Jean-Dominique Bourzat, Alain Commerçon, Iwao Ojima
  • Publication number: 20030083497
    Abstract: New taxoids of general formula (I), their preparation, and pharmaceutical compounds containing them.
    Type: Application
    Filed: March 13, 2002
    Publication date: May 1, 2003
    Applicant: Aventis Pharma, S.A.
    Inventors: Herve Bouchard, Jean-Dominique Bourzat, Alain Commercon
  • Patent number: 6548533
    Abstract: The invention is directed to physiologically active compounds of formula (I): wherein one of A1, A2 and A3 represents NR2 and the others represent C(R3)(R4); R1 represents R5Z1—Het— or R6N(R7)—C(═O)—NH—Ar2—; Ar1 represents aryldiyl or heteroaryldiyl; L1 represents a —R12-R13— linkage (where R12 is a direct bond or an alkylene chain, an alkenylene chain or an alkynylene chain and R13 is a direct bond, cycloalkylene, heterocycloalkylene, aryldiyl, heteroaryldiyl, —C(═Z3)—NR11—, —NR11—C(═Z3)—, —Z3—, —C(═O)—, —C(═NOR11)—, —NR11—, —NR11—C(═Z3)—NR11—, —SO2—NR11—, —NR —SO2—, —O—C(═O)—, —C(═O)—O—, —NR11—C(═O)—O— or —O—C(═O)—NR11—); and their prodrugs, and pharmaceutically accepta
    Type: Grant
    Filed: November 2, 2001
    Date of Patent: April 15, 2003
    Assignee: Aventis Pharma Limited
    Inventors: Jean-Dominique Bourzat, Alain Commercon, Bruno Jacques Christophe Filoche
  • Patent number: 6444825
    Abstract: A method for preparing an oxazolidinecarboxylic acid of general formula (I), which is useful for preparing therapeutically active taxoids of general formula (III), from an oxazolidinecarboxylic acid of general formula (II). In formulae (I), (II) and (III), R is a hydrogen atom or an acetyl radical; R1 is a benzyl radical or a radical of the general formula R2—O—CO—, wherein R2 is an optionally substituted alkyl radical, alkenyl, alkynyl, cycloalkyl, cycloalkenyl, bicycloalkyl, phenyl or heterocyclyl; each of R3 and R4, which are the same or different, is hydrogen, alkyl, alkoxy, optionally substituted aryl or optionally substituted aralkyl, or together they form a 4-7 membered ring; R5 is alkenyl, alkynyl, phenyl, formyl, alkanoyl, aroyl, hydroxymethyl, carboxy or alkyloxycarbonyl; and R′ is a hydrogen atom or an alkali or alkaline-earth metal atom or an alkyl radical with 1-4 carbon atoms optionally substituted by phenyl radical.
    Type: Grant
    Filed: December 14, 1995
    Date of Patent: September 3, 2002
    Assignee: Aventis Pharma S.A.
    Inventors: Jean-Dominique Bourzat, Alain Commerçon
  • Publication number: 20020094994
    Abstract: The invention is directed to physiologically active compounds of formula (I): 1
    Type: Application
    Filed: November 2, 2001
    Publication date: July 18, 2002
    Inventors: Jean-Dominique Bourzat, Alain Commercon, Bruno Jacques Christophe Filoche
  • Publication number: 20020087013
    Abstract: Methods of preparing methylthiomethyloxy taxoids of formula (XXXIV) 1
    Type: Application
    Filed: December 31, 2001
    Publication date: July 4, 2002
    Applicant: Aventis Pharma S.A.
    Inventors: Herve Bouchard, Jean-Dominique Bourzat, Alain Commercon, Iwao Ojima
  • Patent number: 6387946
    Abstract: New taxoids of general formula (I): their preparation and pharmaceutical compositions containing them. The new products of general formula (I) in which Z represents a radical of general formula (II): display noteworthy antitumour and antileukaemic properties.
    Type: Grant
    Filed: September 25, 2001
    Date of Patent: May 14, 2002
    Assignee: Aventis Pharma S.A.
    Inventors: Hervé Bouchard, Jean-Dominique Bourzat, Alain Commerçon
  • Patent number: 6384071
    Abstract: New taxoids of general formula (I), their preparation, and pharmaceutical compounds containing them. In general formula (I), for example, Ar represents an aryl radical, R represents an alkoxyacetyl radical, R1 represents a benzoyl radical or a radical of formula R2—O—CO— in which R2 represents an optionally substituted alkyl radical, an alkenyl, alkynyl, cycloalkyl, cycloalkenyl, bicycloalkyl, phenyl or heterocyclyl radical. The new products of general formula (I) have a remarkable antitumor activity.
    Type: Grant
    Filed: January 16, 2001
    Date of Patent: May 7, 2002
    Assignee: Aventis Pharma, S.A.
    Inventors: Hervé Bouchard, Jean-Dominique Bourzat, Alain Commercon
  • Patent number: 6372780
    Abstract: Now taxoids of general formula (I) their preparation and pharmaceutical compositions containing them. The new products of general formula (I) in which Z represents a radical of general formula (II): display noteworthy antitumor and antileukaemic properties.
    Type: Grant
    Filed: January 3, 2001
    Date of Patent: April 16, 2002
    Assignee: Aventis Pharma S.A.
    Inventors: Hervé Bouchard, Jean-Dominique Bourzat, Alain Commerçon
  • Publication number: 20020038038
    Abstract: New taxoids of general formula (I): 1
    Type: Application
    Filed: September 25, 2001
    Publication date: March 28, 2002
    Applicant: Aventis Pharma S.A.
    Inventors: Herve Bouchard, Jean-Dominique Bourzat, Alain Commercon
  • Publication number: 20020010348
    Abstract: Methods of preparing methylthiomethyloxy taxoids of formula (XXXIV) 1
    Type: Application
    Filed: March 5, 2001
    Publication date: January 24, 2002
    Inventors: Herve Bouchard, Jean-Dominique Bourzat, Alain Commercon, Iwao Ojima
  • Patent number: 6331635
    Abstract: New taxoids of general formula (I): their preparation and pharmaceutical compositions containing them. The new products of general formula (I) in which Z represents a radical of general formula (II): display noteworthy antitumour and antileukaemic properties.
    Type: Grant
    Filed: April 28, 1998
    Date of Patent: December 18, 2001
    Assignee: Aventis Pharma S.A.
    Inventors: Hervé Bouchard, Jean-Dominique Bourzat, Alain Commerçon
  • Publication number: 20010051736
    Abstract: New taxoids of general formula (I): 1
    Type: Application
    Filed: January 3, 2001
    Publication date: December 13, 2001
    Applicant: Rhone-Poulenc Rorer,S.A.
    Inventors: Herve Bouchard, Jean-Dominique Bourzat, Alain Commercon
  • Publication number: 20010021783
    Abstract: New taxoids of general formula (I), their preparation, and pharmaceutical compounds containing them.
    Type: Application
    Filed: January 16, 2001
    Publication date: September 13, 2001
    Applicant: Rhne-Poulenc Rorer S.A.
    Inventors: Herv?eacute; Bouchard, Jean-Dominique Bourzat, Alain Commercon
  • Patent number: 6232477
    Abstract: Methods of preparing new taxoids of general formula (I) are presented: in which: R4 represents an alkanoyloxy radical in which the alkanoyl portion contains 2 to 6 carbon atoms in an unbranched or branched chain, this radical unsubstituted or substituted with one or more halogen atoms, an alkoxy radical containing 1 to 4 carbon atoms, or alternatively R4 represents a cycloalkanoyloxy radical in which the cycloalkanoyl portion contains 4 to 8 carbon atoms, or alternatively R4 represents a benzoyloxy radical; R5 represents an alkoxy radical containing 1 to 4 carbon atoms, substituted by an alkylthio radical containing 1 to 4 carbon atoms; and Z represents a hydrogen atom or a radical of general formula:
    Type: Grant
    Filed: March 17, 2000
    Date of Patent: May 15, 2001
    Assignee: Aventis Pharma S.A.
    Inventors: Hervé Bouchard, Jean-Dominique Bourzat, Alain Commerçon
  • Patent number: 6218406
    Abstract: Novel products of formula (I), their preparation, the pharmaceutical compositions which contain them and their use in the preparation of medicaments.
    Type: Grant
    Filed: July 2, 1999
    Date of Patent: April 17, 2001
    Assignee: Aventis Pharma S.A.
    Inventors: Jean-Dominique Bourzat, Alain Commerçon, Norbert Dereu, Patrick Mailliet, Fabienne Sounigo-Thompson, Jean-Paul Martin, Marc Capet, Michel Cheve
  • Patent number: 6194582
    Abstract: New taxoids of general formula (I), their preparation, and pharmaceutical compounds containing them. In general formula (I), for example, Ar represents an aryl radical, R represents an alkoxyacetyl radical, R1 represents a benzoyl radical or a radical of formula R2—O—CO— in which R2 represents an optionally substituted alkyl radical, an alkenyl, alkynyl, cycloalkyl, cycloalkenyl, bicycloalkyl, phenyl or heterocyclyl radical. The new products of general formula (I) have a remarkable antitumor activity.
    Type: Grant
    Filed: July 31, 1998
    Date of Patent: February 27, 2001
    Assignee: Rhone-Poulenc Rorer S.A.
    Inventors: Hervé Bouchard, Jean-Dominique Bourzat, Alain Commercon