Patents by Inventor Francois Audiau

Francois Audiau 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: 5807859
    Abstract: Pharmaceutical compositions containing, as the active principle, compounds of formula (I): ##STR1## wherein R, R.sub.1 and R.sub.2 are as defined in the description, or salts thereof, the novel compounds of formula (I), and the preparation thereof. The compounds of formula (I) have valuable pharmacological properties and are alpha-amino-3-hydroxy-5-methyl-4-isoxazolepropionic acid (AMPA) receptor antagonists, this receptor also being known as the quisqualate receptor. Furthermore, the compounds of formula (I) are non-competitive N-methyl-D-aspartate (NDMA) receptor antagonists, and particularly NMDA receptor glycine modulation site ligands.
    Type: Grant
    Filed: September 27, 1996
    Date of Patent: September 15, 1998
    Assignee: Rhone-Poulenc Rorer S.A.
    Inventors: Jean-Claude Aloup, Francois Audiau, Michel Barreau, Dominique Damour, Arielle Genevois-Borella, Patrick Jimonet, Serge Mignani, Yves Ribeill
  • Patent number: 5753657
    Abstract: Compounds of formula (1) ##STR1## wherein either R is C.dbd.R.sub.3, C(R.sub.4)R.sub.5 or CH--R.sub.6, R.sub.1 and R.sub.2 are hydrogen, halogen, alkyl, alkoxy, amino, acylamino, --NH--CO--NH--Ar, --N.dbd.CH--N(alk)alk', nitro, cyano, phenyl, imidazolyl or SO.sub.3 H, R.sub.3 is oxygen, NOH, NO-alk-COOK or CH--R.sub.7, R.sub.4 is alkyl, -alk-Het or alk-Ar, R.sub.5 is alkyl, -alk-Het or -alk-Ar, or C(R.sub.4)R.sub.5 is cycloalkyl, R.sub.6 is hydroxy, alkyl, NR.sub.8 R.sub.9, -alk-OH, -alk-NR.sub.8 R.sub.9, -alk-Ar or -alk-Het, R.sub.7 is hydroxy, alkyl, phenyl, -alk-Ar, -alk-Het, NR.sub.10 R.sub.11 or a heterocyclic ring, R.sub.8 and R.sub.9 are alkyl, or R.sub.8 is hydrogen and R.sub.9 is hydrogen or alkyl, --COR.sub.12, --CSR.sub.30 or --SO.sub.2 R.sub.13, R.sub.10 and R.sub.11 are alkyl or cycloalkyl, R.sub.12 is alkyl, cycloalkyl, phenyl, --COO-alk, --CH.sub.2 --COOX, --CH.sub.2 NH.sub.2, --NH-alk, --NH--Ar, --NH.sub.2 or --NH-Het, R.sub.13 is alkyl or phenyl, R.sub.30 is --NH-alk, --NH--Ar, --NH.sub.
    Type: Grant
    Filed: January 16, 1996
    Date of Patent: May 19, 1998
    Assignee: Rhone-Poulenc Rorer S.A.
    Inventors: Jean-Claude Aloup, Francois Audiau, Dominique Damour, Arielle Genevois-Borella, Patrick Jimonet, Serge Mignani, Yves Ribeill
  • Patent number: 5424439
    Abstract: This invention relates to the process for the preparation of a method for preparing derivatives of formula (I), ##STR1## wherein R is an alkyl, alkoxy, alkylthio, polyfluoroalkyl, polyfluoroalkoxy, alkenyl, phenyl, alkylsulphonyl, alkoxycarbonyl, amino, cyano, sulphonamide or dialkylcarbamyl radical, characterized in that a derivative of formula (II), ##STR2## wherein R has the same meaning as in formula (I), is reacted with nitronium tetrafluoroborate and derivatives of formula (II).
    Type: Grant
    Filed: June 13, 1994
    Date of Patent: June 13, 1995
    Assignee: Rhone-Poulenc Rorer S.A.
    Inventors: Francois Audiau, Patrick Jimonet, Serge Mignani
  • Patent number: 5403837
    Abstract: This invention relates to compounds of formula (I): ##STR1## wherein R is a polyfluoroalkoxy, polyfluoroalkyl, alkoxy or alkyl radical and R.sub.1 is a hydrogen atom or an alkyl radical; salts thereof; the preparation thereof; and drugs containing same.
    Type: Grant
    Filed: December 7, 1993
    Date of Patent: April 4, 1995
    Assignee: Rhone Poulenc Rorer S.A.
    Inventors: Francois Audiau, Patrick Jimonet, Serge Mignani
  • Patent number: 5236940
    Abstract: Pharmaceutical compositions are disclosed. They are useful for the treatment of medical conditions associated with the effects of glutamate, comprise as active principle, at least one compound of formula: ##STR1## or a salt thereof, in which either R.sub.1 represents polyfluoroalkoxy, 2,2,2-trifluoroethyl, pentafluoroethyl, tert-butyl, trimethylsilyl or trifluoromethylthio and R.sub.2 and R.sub.3 represent hydrogen,or R.sub.1 represents polyfluoroalkoxy, R.sub.2 represents hydrogen and R.sub.3 represents alkyl, amino, alkoxy, phenyl, phenylalkyl, dimethylamino or dialkylaminoakylthio,or R.sub.1 represents polyfluoroalkoxy, R.sub.2 represents amino and R.sub.3 represents hydrogen, with the exception of 6-trifluoromethoxy-2-benzothiazolamine.
    Type: Grant
    Filed: September 3, 1991
    Date of Patent: August 17, 1993
    Assignee: Rhone-Poulenc Sante
    Inventors: Francois Audiau, Claude James
  • Patent number: 5049574
    Abstract: 5-Trifluoromethoxy-2-benzimidazolamine and its salts with an inorganic or organic acid, its preparation and medicinal products containing it.
    Type: Grant
    Filed: February 16, 1990
    Date of Patent: September 17, 1991
    Assignee: Rhone-Poulenc Sante
    Inventors: Francois Audiau, Christian Renault
  • Patent number: 5026717
    Abstract: Compounds of formula: ##STR1## and their salts, in which R.sub.1 represents polyfluoroalkoxy, and R.sub.2 represents alkyl, alkenyl (3-6 C), [cycloalkyl (3-6 C)]-alkyl, carbamoylalkyl, dialkylcarbamoylalkyl, acylaminoalkyl, phenylthioalkyl, hydroxyalkyl, cyanoalkyl, sulphamoylethyl, N-alkylsulphamoylethyl, pyridylthioalkyl, pyridiylalkylthioalkyl, pyridylsulphinylalkyl, alkynyl (3-6 C), phenylsulphinylalkyl, halophenylthioalkyl, (2,2,2-trifluoroethylthio)alkyl, 2-dialkylaminopropyl, pyrimidinylsulphinylalkyl, pyridylalkylsulphinylalkyl, halophenylsulphinylalkyl or (2,2,2-trifluoroethylsulphinyl)alkyl are useful in the treatment of medical conditions associated with the effects of glutamate.
    Type: Grant
    Filed: June 26, 1990
    Date of Patent: June 25, 1991
    Assignee: Rhone-Poulenc Sante
    Inventors: Francois Audiau, Claude Gueremy, Patrick Jimonet, Serge Mignani
  • Patent number: 4980356
    Abstract: Compounds of formula: ##STR1## and their salts, in which R.sub.1 represents polyfluoroalkoxy, and R.sub.2 represents alkyl, alkenyl (3-6 C), [cycloalkyl (3-6 C)]-alkyl, carbamoylalkyl, dialkylcarbamoylalkyl, acylaminoalkyl, phenylthioalkyl, hydroxyalkyl, cyanoalkyl, sulphamoylethyl, N-alkylsulphamoylethyl, pyridylthioalkyl, pyridiylalkylthioalkyl, pyridylsulphinylalkyl, alkynyl (3-6 C), phenylsulphinylalkyl, halophenylthioalkyl, (2,2,2-trifluoroethylthio)alkyl, 2-dialkylaminopropyl, pyrimidinylsulphinylalkyl, pyridylalkylsulphinylalkyl, halophenylsulphinylalkyl or (2,2,2-trifluoroethylsulphinyl)alkyl are useful in the treatment of medical conditions associated with the effects of glutamate.
    Type: Grant
    Filed: December 13, 1989
    Date of Patent: December 25, 1990
    Assignee: Rhone-Poulenc Sante
    Inventors: Francois Audiau, Claude Gueremy, Patrick Jimonet, Serge Mignani
  • Patent number: 4535080
    Abstract: Compounds are disclosed as useful as drugs or as intermediates for the manufacture of drugs, the compounds having the formula: ##STR1## in which X is hydrogen, chlorine, alkyl, alkoxy or alkylthio having 1 to 3 carbon atoms, R.sub.2 is hydrogen or alkyl having 1 to 3 carbon atoms, Y.sub.2 is chlorine and Y.sub.1 is chlorine or ##STR2## in which R.sub.1 is hydrogen, straight or branched chain alkyl having 1 to 7 carbon atoms, cycloalkyl having 3 to 7 carbon atoms or cycloalkylalkyl having 4 to 8 carbon atoms, or Y.sub.2 and Y.sub.1 are both OH. Also disclosed are methods for preparation of the compounds.
    Type: Grant
    Filed: August 24, 1983
    Date of Patent: August 13, 1985
    Assignee: Pharmuka Laboratoires
    Inventors: Francois Audiau, Claude G. A. Gueremy, Gerard R. Le Fur
  • Patent number: 4478841
    Abstract: Compounds of general formula: ##STR1## wherein X represents a hydrogen or halogen atom, R represents a hydrogen atom or an alkyl group having 1 to 3 carbon atoms and A represents the 1,2,5,6-tetrahydro-4-pyridyl or the 1,2,3,4,5,6-hexahydro-4-pyridyl radical, with the proviso that when A is the 1,2,3,4,5,6-hexahydro-4-pyridyl radical, R is alkyl having 1 to 3 carbon atoms, are disclosed together with methods for their preparation and their use in the treatment of migraines, as antithrombosis agents or as rapid acting thymoanaleptic medicaments.
    Type: Grant
    Filed: May 3, 1982
    Date of Patent: October 23, 1984
    Assignee: Pharmuka Laboratoires
    Inventors: Francois Audiau, Gerard R. Le Fur
  • Patent number: 4416888
    Abstract: Compounds of the general formula; ##STR1## wherein R represents an alkyl group having 1 to 3 carbon atoms and X represents a hydrogen or halogen atom are disclosed together with methods for their preparation and their use in the treatment of migraines, as anti-thrombosis agents or as rapid acting thymoanaleptic medicaments.
    Type: Grant
    Filed: May 3, 1982
    Date of Patent: November 22, 1983
    Assignee: Pharmindustrie
    Inventors: Gerard R. Le Fur, Francois Audiau