Patents Represented by Attorney Balaram Gupta
  • Patent number: 7217705
    Abstract: The present invention relates to the combination of one or more CB1 antagonist azetidine derivatives and of one or more products which activate dopaminergic neurotransmission in the brain, to the pharmaceutical compositions comprising them and to their use in the treatment of Parkinson's disease.
    Type: Grant
    Filed: February 25, 2004
    Date of Patent: May 15, 2007
    Assignee: Aventis Pharma S.A.
    Inventors: Jésus Benavides, Daniel Boccio, Yvette Henin, Odile Piot-Grosjean
  • Patent number: 7217715
    Abstract: The invention relates to a substituted-pyrimidone derivative represented by formula (I) or a salt thereof: wherein X, Y, R1, R2, R3, R4, R5, n, p and q are as described herein. The invention relates also to a medicament comprising the said derivative or a salt thereof as an active ingredient which is used for preventive and/or therapeutic treatment of a neurodegenerative disease caused by abnormal activity of GSK3?, such as Alzheimer disease.
    Type: Grant
    Filed: September 13, 2005
    Date of Patent: May 15, 2007
    Assignees: Sanofi-Aventis, Mitsubishi Pharma Corporation
    Inventors: Alistair Lochead, Mourad Saady, Franck Slowinski, Philippe Yaiche
  • Patent number: 7214682
    Abstract: The invention relates to a pyrimidone derivative represented by formula (I) or a salt thereof wherein X represents two hydrogen atoms, a sulfur atom, an oxygen atom or a C1-2 alkyl group and a hydrogen atom; Y represents a bond, an ethenylene group, an ethynylene group an oxygen atom, a sulfur atom, a sulfonyl group, a sulfoxide group, a carbonyl group, a hydroxyiminomethylene group, a dioxolan group, a nitrogen atom being optionally substituted; or a methylene group optionally substituted; or a methylene group optionally substituted; R1 represents a 2, 3 or 4-pyridine ring optionally substituted; R2 may represent a C1-6 alkyl group optionally; a C3-6 cycloalkyl group, a C1-4 alkythio group, a C1-4 alkoxy group, a C1-2 perhalogenated alkyl group, a C1-3 halogenated alkyl group, a phenylthio group, a benzyl group, a benzene ring, an indan ring, a 5,6,7,8-tetrahydronaphthalene ring, a naphthalene ring, a pyridine ring, a pyrrole ring, a thiophene ring, a furan ring or an imidazole ring; R3 and R4 represent, eac
    Type: Grant
    Filed: September 19, 2002
    Date of Patent: May 8, 2007
    Assignees: Sanofi-aventis, Mitsubishi Pharma Corporation
    Inventors: Thierry Gallet, Patrick Lardenois, Alistair Lochead, Séverine Marguerie, Alain Nedelec, Mourad Saady, Franck Slowinski, Philippe Yaiche
  • Patent number: 7211581
    Abstract: The invention relates to a 2-(diaza-bicyclo-alkyl)-pyrimidone derivative represented by formula (I): wherein: R1 represents a hydrogen atom, a C1-6 alkyl group or a halogen atom; R2 represents a hydrogen atom, a C1-6 alkyl group optionally substituted by 1 to 4 substituents selected from a halogen atom, a hydroxyl group, a C1-4 alkoxy group; a C1-2 perhalogenated alkyl group, a benzyl group, a phenethyl group, a benzyloxycarbonyl group, a C1-4 alkoxy carbonyl group, a benzene ring, a naphthalene ring, a quinoline ring, a phthalazine ring, a 5,6,7,8-tetrahydronaphthalene ring, a pyridine ring, an indole ring, a pyrrole ring, a thiophene ring, a benzenesulfonyl group, a benzoyl group, a pyridazine ring, a furan ring and an imidazole ring; each of the benzyl group, the phenethyl group, the benzyloxycarbonyl group, the benzenesulfonyl group, the benzoyl group and the benzene, naphthalene, quinoline, phthalazine, 5,6,7,8-tetrehydronaphthalene, pyridine, indole, pyrrole and thiophene rings being optionally sub
    Type: Grant
    Filed: September 6, 2005
    Date of Patent: May 1, 2007
    Assignees: Sanofi-Aventis, Mitsubishi Pharma Corporation
    Inventors: Alistair Lochead, Mourad Saady, Franck Slowinski, Philippe Yaiche
  • Patent number: 7205319
    Abstract: This invention discloses and claims a compound of general formula (I) in which R1 represents either a hydrogen atom, or an optionally substituted alkyl group, or a cycloalkylalkyl group, or an optionally substituted phenylalkyl group, or an alkenyl group, X represents a hydrogen atom or one or more substituents chosen from halogen atoms and trifluoromethyl, alkyl and alkoxy groups, R2 represents one or more substituents chosen from halogen atoms, optionally substituted alkoxy and optionally substituted amino. The compounds of this invention exhibit therapeutic utility.
    Type: Grant
    Filed: January 28, 2005
    Date of Patent: April 17, 2007
    Assignee: Sanofi-aventis
    Inventors: Gihad Dargazanli, Geneviève Estenne-Bouhtou, Benoît Marabout, Pierre Roger, Mireille Sevrin
  • Patent number: 7202267
    Abstract: The invention relates to acyloxypyrrolidine derivatives of general formula (I): in which: R1 represents a hydrogen atom, a (C1–C6)alkyl, a (C3–C6)cycloalkyl, a group —CH2CH2COOH or a group —NR2R3; R2 and R3 each represent, independently, a hydrogen atom or a (C1–C6)alkyl. Also disclosed and claimed are the method of preparation of the compounds of the invention and their application in therapeutics.
    Type: Grant
    Filed: January 19, 2005
    Date of Patent: April 10, 2007
    Assignee: Sanofi-aventis
    Inventors: Alain Aulombard, Georges Garcia, Antoine Pradines, Claudine Serradeil-Le Gal, Jean Wagnon
  • Patent number: 7202268
    Abstract: The invention relates to derivatives of indole-3-carboxamide having general formula (I): wherein: R1 represents a C3–C10 alkyl, a C5–C10 carbocyclic radical that is unsubstituted or substituted one or more times with a methyl group; R2 represents a hydrogen atom or a (C1–C4)alkyl group; R3 represents a halogen atom or a (C1–C4)alkyl group; R4 represents a hydrogen or halogen atom or a (C1–C4)alkyl group; R5 represents a (C1–C4)alkyl group or a trifluoromethyl; X represents a sulfur atom, an —NHSO2— group or an —SO2— group; and n is equal to 2 or 3. The invention also relates to a method of preparing the aforementioned derivatives and to the application of same in therapeutics.
    Type: Grant
    Filed: May 26, 2005
    Date of Patent: April 10, 2007
    Assignee: Sanofi-aventis
    Inventors: Francis Barth, Mireille Rinaldi-Carmona, Claude Vernhet
  • Patent number: 7186705
    Abstract: The present invention relates to a process for the preparation of 3-amino-2-hydroxypropylphosphinic acid derivatives of the formula I, which are valuable pharmaceutical active ingredients and can be used, for example, as antidepressants. The process starts from O-ethyl phosphinates of the formula II into which, after silylation with hexamethyldisilazane, the 3-amino-2-hydroxypropyl moiety is introduced by reactions with epichlorohydrin and ammonia.
    Type: Grant
    Filed: September 22, 2004
    Date of Patent: March 6, 2007
    Assignee: Aventis Pharmaceuticals Inc.
    Inventors: Bao-Guo Huang, Witold Subotkowski, Duane Rudisill
  • Patent number: 7179830
    Abstract: Substituted thienoimidazoles with a backbone structure of formula I or II: These substituted thienoimidazoles are useful in prevention or treatment of various disorders, including respiratory disorders.
    Type: Grant
    Filed: August 25, 2004
    Date of Patent: February 20, 2007
    Assignee: Sanofi-aventis Deutschland GmbH
    Inventors: Hans-Jochen Lang, Uwe Heinelt, Klaus Wirth, Thomas Licher
  • Patent number: 7169925
    Abstract: This invention discloses and claims a new class of indole derivatives for use in treating allergy, asthma, rhinitis, dermatitis, B-cell lymphomas, tumors and diseases associated with bacterial, rhinovirus or respiratory syncytial virus (RSV) infections. It has now been found that the compounds of this invention are capable of modulating T helper (Th) cells, Th1/Th2, and thereby capable of inhibiting the transcription of interleukin-4 (IL-4) message, IL-4 release or IL-4 production.
    Type: Grant
    Filed: April 23, 2003
    Date of Patent: January 30, 2007
    Assignee: Aventis Pharmaceuticals Inc.
    Inventors: Gregory H. Merriman, Philip M. Weintraub, Jeffrey S. Sabol, Ramalinga M. Dharanipragada, Nicholas J. Hrib, John G. Jurcak, Alexandre Gross, Brian Whiteley, Kwon Yon Musick, Joseph T. Klein
  • Patent number: 7166572
    Abstract: A cyclohexapeptide compound of general formula (I), wherein R1 is C1–C20 alkyl; C9–C20 alkenyl; C9–C20 alkoxyphenyl; an aryl group selected from: phenyl, biphenyl, terphenyl and naphthyl; C1–C12 alkylphenyl, C2–C12 alkenylphenyl, C1–C12 alkoxyphenyl; linoleoyl; palmitoyl; 12-methylmyristoyl; 10,12-dimethylmyristoyl; or —COC6H4(p)OC8H17, R1 and R3 are independently —OH; —CN; —CH2NH2; —N3; aryl; substituted aryl; heterocyclyl and substituted heterocyclic with 1–3 of the same or different heteroatoms; aminoalkylamino; mono or di-substituted linear or cyclic aminoalkylamino; —OR, wherein, R is C1–C12 alkyl; substituted alkyl of the type —(CH2)n—X, where n is 1–5 and X is Cl, Br, I, COOY, CN, NH2 or a heterocyclic and where Y is C1–C6 linear or branched alkyl; C2–C12-alkenyl; aryl; fused aryl; substituted aryl; a heterocyclic containing 1–3 heteroatoms; mono or di-substituted aminoalkyl; or a hydroxy protecting group; and R3 may additionally be imidazolyl; R2 and R4 are independently —H or —OH; R5 is —H or —CH3, R
    Type: Grant
    Filed: July 15, 2000
    Date of Patent: January 23, 2007
    Assignee: Aventis Pharma Deutschland GmbH
    Inventors: Bansi Lal, Vitthal G. Gund, Ashok K. Gangopadhyay
  • Patent number: 7151107
    Abstract: The invention relates to the use of compounds of formula for the preparation of medicines designed for the treatment of neuronal and cerebral disorders. The invention also relates to the compounds of formula: a process for their preparation and the pharmaceutical compositions containing them.
    Type: Grant
    Filed: May 24, 2005
    Date of Patent: December 19, 2006
    Assignee: Sanofi-aventis
    Inventors: Marco Baroni, Rosanna Cardamone, Jacqueline Fournier, Umberto Guzzi, Alessandra Ielmini
  • Patent number: 7148258
    Abstract: The present invention relates to the combination of a CB1 receptor antagonist and of sibutramine, to the pharmaceutical compositions comprising them and to their use in the treatment of obesity.
    Type: Grant
    Filed: September 15, 2004
    Date of Patent: December 12, 2006
    Assignee: Aventis Pharma S.A.
    Inventors: Odile Piot-Grosjean, Philippe Picaut, Francois Petitet
  • Patent number: 7138138
    Abstract: The invention relates to a pharmaceutical formulation in the form of a powder which is administered orally in an aqueous suspension, having a masked taste, and comprising at least one cellulose polymer, a methacrylic polymer and an active ingredient which is distributed in a homogeneous manner in a molecular state in an atomized matrix, in addition to an alkaline agent and an adsorbing agent, a method for the production thereof and a method for masking the taste of pharmaceutical products.
    Type: Grant
    Filed: December 12, 2003
    Date of Patent: November 21, 2006
    Assignee: Aventis Pharma S.A.
    Inventors: Philippe Becourt, Josiane Chauvin, Detlev Schwabe
  • Patent number: 7138424
    Abstract: The present invention provides compounds of formula: and also provides their preparation and the pharmaceutical compositions comprising them. These compounds are ligands of CB2 cannabinoid receptors.
    Type: Grant
    Filed: May 15, 2003
    Date of Patent: November 21, 2006
    Assignee: Sanofi-Aventis
    Inventors: Francis Barth, Carole Guillaumont, Murielle Rinaldi-Carmona, Claude Vernhet
  • Patent number: 7135569
    Abstract: The present invention relates to a process for preparing pyridinyl and pyrimidinyl mono-fluorinated beta keto esters of formula (I): wherein: R1 represents a pyridine ring or a pyrimidine ring, the rings being optionally substituted by a C3-6 cycloalkyl group, a C1-4 alkyl group, a C1-4 alkoxy group, a benzyl group or a halogen atom; R2 represents a hydrogen atom, a C1-6 alkyl group or ahalogenatom; and R3 represents a C1-6 alkyl group; by reacting with fluorine a compound of formula (II) wherein R1, R2 and R3 have the same meaning as defined above.
    Type: Grant
    Filed: September 7, 2005
    Date of Patent: November 14, 2006
    Assignee: Sanof I-Aventis
    Inventor: Jonathan Frost
  • Patent number: 7132428
    Abstract: Compounds of the formula I are suitable for producing pharmaceuticals for the prophylaxis and therapy of diseases whose course involves an increased activity of NIK.
    Type: Grant
    Filed: July 3, 2003
    Date of Patent: November 7, 2006
    Assignee: Aventis Pharmaceuticals Inc.
    Inventors: Tahir Nadeem Majid, Corey Hopkins, Brian Leslie Pedgrift, Nicola Collar, Friederike Wirtz-Brugger, Jean Merrill
  • Patent number: 7132433
    Abstract: The present invention is directed to use of (+)-?-(2,3-dimethoxyphenyl)-1-[2-(4-fluorophenyl)ethyl]-4-piperidinemethanol or its prodrug depicted as Formula II, wherein R is C1-20alkyl, in treating patients for behavioral or psychological symptoms associated with Alzheimer's disease, Lewy body dementia or Parkinson's disease.
    Type: Grant
    Filed: May 3, 2004
    Date of Patent: November 7, 2006
    Assignee: Aventis Pharmaceuticals Inc.
    Inventors: Richard D. Scheyer, Stephen M. Sorensen, Janice M. Hitchcock
  • Patent number: 7129240
    Abstract: The invention relates to compounds of formula: as well as the possible salts thereof with mineral or organic acids, and the solvates and/or hydrates thereof, which have affinity for and selectivity towards the V1b receptors or towards both the V1b and V1a receptors of arginine-vasopressin. The invention also relates to the process for preparing them, to the intermediate compounds of formula (II) that are useful for preparing them, to pharmaceutical compositions containing them and to their use for the preparation of medicinal products.
    Type: Grant
    Filed: April 29, 2004
    Date of Patent: October 31, 2006
    Assignee: Sanofi-Aventis
    Inventors: Richard Roux, Claudine Serradeil-le Gal, Bernard Tonnerre, Jean Wagnon
  • Patent number: 7119087
    Abstract: Compound corresponding to the general formula (I) in which R2 represents a chlorine atom, a methyl group or a 3-thienyl group. Therapeutic application.
    Type: Grant
    Filed: November 20, 2002
    Date of Patent: October 10, 2006
    Assignee: Sanofi-Aventis
    Inventors: Frédéric Galli, Odile Leclerc, Alistair Lochead