Patents by Inventor Bruno Pfeiffer

Bruno Pfeiffer 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: 7741325
    Abstract: A compound selected from those of formula (I): wherein: B1, B2 represent carbon or nitrogen, X, Y, X1 and Y1 represent a group selected from hydrogen, halogen, hydroxy, alkoxy, nitro, cyano, trihaloalkyl and NRaRb wherein Ra and Rb are as defined in the description, R1 represents hydrogen or alkyl, R2 represents a group selected from hydrogen, alkyl, —OR?a, —NR?aR?b, —O-Ta-OR?a, —NR?a-Ta-NR?aR?b, NR?a—C(O)-TaH, —O—C(O)-TaH, —O-Ta-NRa?Rb?, —NR?a-Ta-OR?a, —NR?a-Ta-CO2R?a and —NR?a—C(O)-Ta-NR?aR?b wherein R?a, R?b, R?a and Ta are as defined in the description, R3, R4 represent hydrogen or alkyl, A represents a group of formula —CH(R5)—CH(R6)—, —CH?C(R7)—, —C(R7)?CH—, —C(O)—CH(R8)— or —CH(R8)—C(O)— wherein R5, R6, R7 and R8 are as defined in the description, its isomers, N-oxides, and addition salts thereof with a pharmaceutically acceptable acid or base, and medicinal products containing the same which are useful in the treatment of cancer.
    Type: Grant
    Filed: January 31, 2005
    Date of Patent: June 22, 2010
    Inventors: Michel Koch, François Tillequin, Sylvie Michel, John Hickman, Alain Pierre, Stéphane Leonce, Bruno Pfeiffer, Pierre Renard
  • Patent number: 7378419
    Abstract: The invention relates to compounds of formula (I), wherein R1 is a group selected from hydrogen, alkyl, aryl, aryalkil, heteroaryl, heteroarylalkyl, alkylcarbonyl, arylcarbonyl, arylalkylcarbonyl, alkoxycarbonyl, aryloxycarbonyl, arylalkoxycarbonyl, heterocycloalkoxycarbonyl, alkylsulfonyl, arylsulfonyl, arylalkylsulfonyl, phosphonic and Si(Ra)2Rb, Y is a group selected from HN—NH and N—R2, R3 is a hydrogen atom, an alkyl, cycloalkyl, aryl, arylalkyl group, R4 is hydrogen atom or an alkyl group, enantiomers, diastereoisomers and the salts thereof
    Type: Grant
    Filed: September 1, 2004
    Date of Patent: May 27, 2008
    Assignees: Les Laboratoires Servier, Centre National de la Recherche Scientifique (CNRS)
    Inventors: Claude Monneret, Daniel Dauzonne, John Hickman, Alain Pierre, Laurence Kraus-Berthier, Bruno Pfeiffer, Pierre Benard
  • Patent number: 7361662
    Abstract: A compound of formula (I): wherein: R1, R2, R3, R4 are defined in the description, its enantiomers, diastereoisomers, tautomers and also addition salts thereof with a pharmaceutically acceptable acid or base, and medicinal products containing the same which are useful as kinase modulators.
    Type: Grant
    Filed: November 4, 2003
    Date of Patent: April 22, 2008
    Assignee: Les Laboratoires Servier
    Inventors: Sylvain Rault, Jean-Charles Lancelot, Marina Kopp, Daniel-Henri Caignard, Bruno Pfeiffer, Pierre Renard
  • Patent number: 7276512
    Abstract: A compound selected from those of formula (I): wherein: X and Y represent a group selected from hydrogen, halogen, hydroxy, alkoxy, nitro, cyano, alkyl, trihaloalkyl and NRaRb, wherein Ra and Rb are as defined in the description R1 represents hydrogen or alkyl R2 represents a group selected from hydrogen, alkyl, —OR?a, —NR?aR?b, —O-Ta-OR?a, —NR?a-Ta-NR?aR?b, —NR?a—C(O)-TaH, —O—C(O)-TaH, —O-Ta-NR?aR?b, —NR?a-Ta-OR?a, —NR?a-Ta-CO2R?a and —NR?a—C(O)-Ta-NR?aR?b, wherein R?a, R?a, R?b and Ta are as defined in the description R3 and R4 represent hydrogen or alkyl A represents a group of formula —CH(R5)—CH(R6)—, —CH?C(R7)—, —C(R7)?CH—, —C(O)—CH(R8) or —CH(R8)—C(O), wherein R5, R6, R7 and R8 are as defined in the description its isomers, N-oxides, and addition salts thereof with a pharmaceutically acceptable acid or base, and medicinal products containing the same which are useful in the treatment of cancer.
    Type: Grant
    Filed: June 18, 2004
    Date of Patent: October 2, 2007
    Assignee: Les Laboratoires Servier
    Inventors: Michel Koch, François Tillequin, Sylvie Michel, John Hickman, Alain Pierre, Stéphane Leonce, Bruno Pfeiffer, Pierre Renard
  • Patent number: 7259181
    Abstract: A ? crystalline form of the compound of formula (I): characterized by its powder X-ray diffraction data. Medicinal products containing the same which are useful as inhibitors of angiotensin I converting enzyme.
    Type: Grant
    Filed: February 4, 2005
    Date of Patent: August 21, 2007
    Assignee: Les Laboratoires Servier
    Inventors: Bruno Pfeiffer, Yves-Michel Ginot, Gérard Coquerel, Stéphane Beilles
  • Patent number: 7151108
    Abstract: A compound selected from those of formula (I): wherein: W1 represents, together with carbon to which it is bonded, phenyl, pyridyl, Z represents a group of formula U—V as defined in the description, Q1 represents oxygen, NR2 as defined in the description, Q2 represents oxygen, NR?2 as defined in the description, X1, X2, X?1 and X?2 each represents hydrogen, hydroxy, alkoxy, mercapto or alkylthio, Y1, Y2, Y?1 and Y?2 each represents hydrogen, or X1 and Y1, X2 and Y2, X?1 and Y?1, X?2 and Y?2 with carbon carrying them, together form carbonyl or thiocarbonyl, R1 is as defined in the description, its isomers, and addition salts thereof with a pharmaceutically acceptable acid or base, and medicinal products containing the same which are useful in the treatment of cancer.
    Type: Grant
    Filed: September 26, 2003
    Date of Patent: December 19, 2006
    Assignee: Les Laboratories Servier
    Inventors: Michelle Prudhomme, Bernadette Hugon, Fabrice Anizon, John Hickman, Alain Pierre, Roy Golsteyn, Pierre Renard, Bruno Pfeiffer
  • Patent number: 7144891
    Abstract: A compound selected from those of formula (I): wherein: X and Y represent a group selected from hydrogen, halogen, alkoxy, nitro, cyano, alkyl, alkenyl, polyhaloalkyl and —NRaRb wherein Ra and Rb are as defined in the description, Z represents oxygen or NRc wherein Rc is as defined in the description, Ar represents aryl or heteroaryl, R1 represents hydrogen or alkyl, R2 represents a group selected from hydrogen, alkyl, —ORa and —NRaRb wherein Ra and Rb are as defined in the description, R3 and R4 represent hydrogen or alkyl, R5 represents hydrogen, ORc, NRcRd, W1—C(W2)—U—V, W1—C(W2)—W3-T1 or Z-CO—CH?CHAr wherein Rc, Rd, W1, W2, W3, U, V, T, Z and Ar are as defined in the description, its isomers, and addition salts thereof with a pharmaceutically acceptable acid or base, and medicinal products containing the same which are useful in the treatment of cancer.
    Type: Grant
    Filed: December 21, 2005
    Date of Patent: December 5, 2006
    Assignees: Les Laboratoires Servier, Centre National de la Recherche Scientifique, University Rene Descartes Paris V
    Inventors: Michel Koch, François Tillequin, Sylvie Michel, John Hickman, Alain Pierre, Stéphane Leonce, Bruno Pfeiffer, Laurence Kraus-Berthier
  • Publication number: 20060247246
    Abstract: The invention relates to compounds of formula (I), wherein R1 is a group selected from hydrogen, alkyl, aryl, aryalkil, heteroaryl, heteroarylalkyl, alkylcarbonyl, arylcarbonyl, arylalkylcarbonyl, alkoxycarbonyl, aryloxycarbonyl, arylalkoxycarbonyl, heterocycloalkoxycarbonyl, alkylsulfonyl, arylsulfonyl, arylalkylsulfonyl, phosphonic and Si(Ra)2Rb, Y is a group selected from HN—NH and N—R2, R3 is a hydrogen atom, an alkyl, cycloalkyl, aryl, arylalkyl group, R4 is hydrogen atom or an alkyl group, enantiomers, diastereoisomers and the salts thereof.
    Type: Application
    Filed: September 1, 2004
    Publication date: November 2, 2006
    Inventors: Claude Monneret, Daniel Dauzonne, John Hickman, Alain Pierre, Laurence Kraus-Berthier, Bruno Pfeiffer, Pierre Benard
  • Patent number: 7098220
    Abstract: Compounds of formula (I): wherein: R1 represents hydrogen, halogen, alkyl, polyhaloalkyl, cyano, nitro, hydroxycarbonyl, alkoxycarbonyl, aminocarbonyl, alkylaminocarbonyl or dialkylaminocarbonyl, R2 represents hydrogen, alkyl, an optionally substituted aryl, optionally substituted heteroaryl, or R20—C(X)— wherein: R20 represents alkyl, alkoxy, amino, alkylamino, dialkylamino, optionally substituted aryl or optionally substituted heteroaryl, X represents oxygen, sulphur, or NR21 wherein R21 represents hydrogen or alkyl, R3 represents hydrogen atom or alkyl, n represents integer from 1 to 6 inclusive, the representation its enantiomers, diastereoisomers and also addition salts thereof with a pharmaceutically acceptable acid or base, and medicinal products containing the same which are useful as AMPK activators.
    Type: Grant
    Filed: November 4, 2003
    Date of Patent: August 29, 2006
    Assignee: Les Laboratoires Servier
    Inventors: Sylvain Rault, Jean-Charles Lancelot, Marina Kopp, Daniel-Henri Caignard, Bruno Pfeiffer, Jean-Guy Bizot-Espiard, Pierre Renard
  • Publication number: 20060135545
    Abstract: A compound selected from those of formula (I): wherein: X and Y represent a group selected from hydrogen, halogen, alkoxy, nitro, cyano, alkyl, alkenyl, polyhaloalkyl and —NRaRb wherein Ra and Rb are as defined in the description, Z represents oxygen or NRc wherein Rc is as defined in the description, Ar represents aryl or heteroaryl, R1 represents hydrogen or alkyl, R2 represents a group selected from hydrogen, alkyl, —ORa and —NRaRb wherein Ra and Rb are as defined in the description, R3 and R4 represent hydrogen or alkyl, R5 represents hydrogen, ORc, NRcRd, W1—C(W2)—U—V, W1—C(W2)—W3-T1 or Z-CO—CH?CHAr wherein Rc, Rd, W1, W2, W3, U, V, T, Z and Ar are as defined in the description, its isomers, and addition salts thereof with a pharmaceutically acceptable acid or base, and medicinal products containing the same which are useful in the treatment of cancer.
    Type: Application
    Filed: December 21, 2005
    Publication date: June 22, 2006
    Inventors: Michel Koch, Francois Tillequin, Sylvie Michel, John Hickman, Alain Pierre, Stephane Leonce, Bruno Pfeiffer, Laurence Kraus-Berthier
  • Patent number: 7056929
    Abstract: A method for treating a living body afflicted with a cancer selected from lung and ovarian carcinoma, comprising the step of administering to the living animal body an amount of a compound selected from those of formula (I): wherein: X and Y represent group selected from hydrogen, halogen, mercapto, cyano, nitro, alkyl, trihaloalkyl, trihaloalkylcarbonylamino, —ORa, —NRaRb, —NRa—C(O)-T1, —O—C(O)-T1, —O-T2-NRaRb, —O-T2-ORa, —NRa-T2-NRaRb, —NRa-T2-ORa and —NRa-T2-CO2Ra wherein Ra, Rb, T1, T2 are as defined in the description, or X and Y together form a methylenedioxy or ethylenedioxy, R1 represents hydrogen or alkyl, R2 represents a group selected from hydrogen, —ORa, —NRaRb, —NRa—C(O)-T1, —O—C(O)-T1, —O-T2-NRaRb, —O-T2-ORa, —NRa-T2-NRaRb, —NRa-T2-ORa and —NRa-T2-CO2Ra wherein Ra, Rb, T1 and T2 are as defined hereinbefore, R3 and R4 represent hydrogen or alkyl, W represents a group of formula —CH(R5)—CH(R6)—, —CH?C(R7)—, —C(R7)?CH— or —C(O)—CH(R8)— wherein R5, R6, R7 and R8 are as defined in the descript
    Type: Grant
    Filed: July 26, 2003
    Date of Patent: June 6, 2006
    Assignee: Les Laboratoires Servier
    Inventors: Michel Koch, Francois Tillequin, Sylvie Michel, Elisabeth Seguin, Abdelhakim El Omri, John Hickman, Alain Pierre, Bruno Pfeiffer, Pierre Renard
  • Publication number: 20060079677
    Abstract: A compound of formula (I): wherein: represents benzo or pyrido, optionally fused in the 2-3, 3-4 or 4-5 position to a phenyl, (C4-C8)cycloalkyl or heterocyclic group, which may be optionally substituted, W represents X—Y or Y—X, wherein: X represents and Y represents oxygen or N—R3, n represents zero or an integer from 1 to 6, G, R1, R2 and R3 are as defined in the description, its enantiomers and diastereoisomers, and addition salts thereof with a pharmaceutically acceptable acid or base, and medicinal products containing the same which are useful for the treatment of cancerous diseases.
    Type: Application
    Filed: February 3, 2004
    Publication date: April 13, 2006
    Inventors: Sebastien Gallet, Pascal Berthelot, Nicolas Lebegue, Nathalie Flouquet, Pascal Carato, John Hickman, Alain Pierre, Bruno Pfeiffer, Pierre Renard
  • Publication number: 20060069117
    Abstract: Compounds of formula (I): wherein: R1 represents hydrogen, halogen, alkyl, polyhaloalkyl, cyano, nitro, hydroxycarbonyl, alkoxycarbonyl, aminocarbonyl, alkylaminocarbonyl or dialkylaminocarbonyl, R2 represents hydrogen, alkyl, an optionally substituted aryl, optionally substituted heteroaryl, or R20—C(X)— wherein: R20 represents alkyl, alkoxy, amino, alkylamino, dialkylamino, optionally substituted aryl or optionally substituted heteroaryl, X represents oxygen, sulphur, or NR21 wherein R21 represents hydrogen or alkyl, R3 represents hydrogen atom or alkyl, n represents integer from 1 to 6 inclusive, the representation its enantiomers, diastereoisomers and also addition salts thereof with a pharmaceutically acceptable acid or base, and medicinal products containing the same which are useful as AMPK activators.
    Type: Application
    Filed: November 4, 2003
    Publication date: March 30, 2006
    Inventors: Sylvain Rault, Jean-Charles Lancelot, Marina Kopp, Daniel-Henri Caignard, Bruno Pfeiffer, Jean-Guy Bizot-Espiard, Pierre Renard
  • Patent number: 7001906
    Abstract: Compounds of formula (I): wherein: W1 and W2, together with the carbon atoms to which they are bonded, represent a phenyl group or a pyridyl group, and at least one of the groups W1 or W2 represents a pyridyl group, R1 and R2 each represent a group of formula U-V as defined in the description, X and X1 each represent a hydrogen atom or a hydroxy, alkoxy, mercapto or alkylthio group, Y and Y1 each represent a hydrogen atom, or X and Y, X1 and Y1, together with the carbon atom carrying them, represent a carbonyl or thiocarbonyl group, R4 and R5 are as defined in the description, Q1, Q2 represent a hydrogen atom, or Q1 and Q2, together with the carbon atoms carrying them, form an aromatic bond. Medicaments.
    Type: Grant
    Filed: June 28, 2002
    Date of Patent: February 21, 2006
    Assignee: Les Laboratoires Servier
    Inventors: Michelle Prudhomme, Christelle Marminon, Sylvain Routier, Gérard Coudert, Jean-Yves Merour, John Hickman, Alain Pierre, Pierre Renard, Bruno Pfeiffer
  • Publication number: 20060019995
    Abstract: A compound selected from those of formula (I): wherein: R1 represents hydrogen, aryl(C1-C6)alkyl, linear or branched (C1-C6)alkyl, linear or branched (C1-C6)acyl, linear or branched (C1-C6)alkoxycarbonyl, aryl(C1-C6)alkoxycarbonyl, or trifluoroacetyl, R2 represents hydrogen, linear or branched (C1-C6)alkyl, X represents oxygen or NOR3, R3 represents hydrogen, linear or branched (C1-C6)alkyl optionally substituted by one or more identical or different groups selected from hydroxy, amino and linear or branched (C1-C6)alkoxy, Ar represents aryl or heteroaryl, its isomers, and addition salts thereof with a pharmaceutically acceptable acid or base, and medicinal products containing the same which are useful in the treatment of cognitive disorders and which possess antalgic properties.
    Type: Application
    Filed: November 4, 2003
    Publication date: January 26, 2006
    Inventors: Sylvain Rault, Nicolas Leflemme, Patrick Dallemagne, Pierre Lestage, Brian Lockhart, Laurence Danober, Bruno Pfeiffer, Pierre Renard
  • Publication number: 20060004428
    Abstract: A compound selected from those of formula (I): wherein: Z represents a group of the formula U-V as defined in the description, W1 represents together with carbon to which it is bonded, phenyl, pyridyl, W2 is as defined in the description, X1, X2 each represents hydrogen, hydroxy, alkoxy, mercapto or alkylthio, Y1, Y2 each represents hydrogen, or X1 and Y1, X2 and Y2 with carbon carrying them, together form carbonyl or thiocarbonyl, R1 is as defined in the description, Q represents oxygen, a group NR2 as defined in the description, its isomers, and addition salts thereof with a pharmaceutically acceptable acid or base, and medicinal products containing the same which are useful in the treatment of cancer.
    Type: Application
    Filed: October 14, 2003
    Publication date: January 5, 2006
    Inventors: Michelle Prudhomme, Bernadette Hugon, Fabrice Anizon, John Hickman, Alain Pierre, Roy Golsteyn, Pierre Renard, Bruno Pfeiffer
  • Publication number: 20050288311
    Abstract: A compound of formula (I): wherein: R1, R2, R3, R4 are defined in the description, its enantiomers, diastereoisomers, tautomers and also addition salts thereof with a pharmaceutically acceptable acid or base, and medicinal products containing the same which are useful as kinase modulators.
    Type: Application
    Filed: November 4, 2003
    Publication date: December 29, 2005
    Inventors: Sylvain Rault, Jean-Charles Lancelot, Marina Kopp, Daniel-Henri Caignard, Bruno Pfeiffer, Pierre Renard
  • Publication number: 20050203165
    Abstract: A ? crystalline form of the compound of formula (I): characterized by its powder X-ray diffraction data. Medicinal products containing the same which are useful as inhibitors of angiotensin I converting enzyme.
    Type: Application
    Filed: February 4, 2005
    Publication date: September 15, 2005
    Applicant: LES LABORATORIES SERVIER
    Inventors: Bruno Pfeiffer, Yves-Michel Ginot, Gerard Coquerel, Stephane Beilles
  • Publication number: 20050171114
    Abstract: A compound selected from those of formula (I): wherein: B1, B2 represent carbon or nitrogen, X, Y, X1 and Y1 represent a group selected from hydrogen, halogen, hydroxy, alkoxy, nitro, cyano, trihaloalkyl and NRaRb wherein Ra and Rb are as defined in the description, R1 represents hydrogen or alkyl, R2 represents a group selected from hydrogen, alkyl, —OR?a, —NR?aR?b, —O-Ta-OR?a, —NR?a-Ta-NR?aR?b, NR?a—C(O)-TaH, —O—C(O)-TaH, —O-Ta-NRa?Rb?, —NR?a-Ta-OR?a, —NR?a-Ta-CO2R?a and —NR?a—C(O)-Ta-NR?aR?b wherein R?a, R?b, R?a and Ta are as defined in the description, R3, R4 represent hydrogen or alkyl, A represents a group of formula —CH(R5)—CH(R6)—, —CH?C(R7)—, —C(R7)?CH—, —C(O)—CH(R8)— or —CH(R8)—C(O)— wherein R5, R6, R7 and R8 are as defined in the description, its isomers, N-oxides, and addition salts thereof with a pharmaceutically acceptable acid or base, and medicinal products containing the same which are useful in the treatment of cancer.
    Type: Application
    Filed: January 31, 2005
    Publication date: August 4, 2005
    Inventors: Michel Koch, Francois Tillequin, Sylvie Michel, John Hickman, Alain Pierre, Stephane Leonce, Bruno Pfeiffer, Pierre Renard
  • Publication number: 20050085644
    Abstract: Compound of formula (I): wherein: R1 and R2, which may be identical or different, each represents hydrogen, acyl or alkyl, Ar represents aryl or heteroaryl, A represents a group selected from: R4 represents hydrogen or alkyl, R5 represents hydrogen, alkyl, aryl or heteroaryl, R3 represents aryl, heteroaryl, dicyclopropylmethyl or benzhydryl, or A-R3 represents an optionally substituted naphthyl group, with the exclusion of 2,5-dihydroxy-3-(4-methoxyphenyl)-6-(2-phenylethenyl)-1,4-benzoquinone, 2,5-dihydroxy-3-(4-methoxyphenyl)-6-(2-naphthyl)-1,4-benzoquinone and 2,5-dihydroxy-3-(2-naphthyl)-6-phenyl-1,4-benzoquinone. Medicinal products containing the same which are useful in the treatment of diseases associated with a deregulation of glycaemia.
    Type: Application
    Filed: February 4, 2003
    Publication date: April 21, 2005
    Inventors: Alexandra Dassonville, Anne Breteche, Muriel Duflos, Guillaume Le Baut, Bruno Pfeiffer, Pierre Renard, Nigel Levens, Bernadette Husson-Robert