Patents by Inventor Samir Jegham

Samir Jegham 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: 6908927
    Abstract: The invention relates to pyridopyranoazepine derivatives, to pharmaceutical compositions containing them, to process for preparing them, and to the method of use thereof in the treatment or prevention of disorders associated with a dysfunction of the nicotine receptors.
    Type: Grant
    Filed: February 6, 2003
    Date of Patent: June 21, 2005
    Assignee: Sanofi-Synthelabo
    Inventors: Frédéric Galli, Samir Jegham, Alistair Lochead, Axelle Samson
  • Patent number: 6835730
    Abstract: Compounds of the general formula (I) in which R1, R2, R3 and R4 each represent a hydrogen or halogen atom or a nitro, amino, trifluoromethyl, cyano, hydroxyl, alkyl or alkoxy group, X represents either a nitrogen atom, in which case Z represents a group of the formula C—R5 or a nitrogen atom, or a group of the formula C—R6, in which case Z represents a nitrogen atom, R5 and R6 each represent a hydrogen or halogen atom or a trifluoromethyl, cyano, hydroxyl, (C1-C6)alkyl or (C1-C6)alkoxy group, and R7 represents a hydrogen atom or a (C1-C6)alkyl group. Use in therapy.
    Type: Grant
    Filed: September 24, 2002
    Date of Patent: December 28, 2004
    Assignee: Sanofi-Synthelabo
    Inventors: Frédéric Galli, Samir Jegham, Odile Leclerc, Alistair Lochead, Alain Nedelec
  • Patent number: 6635645
    Abstract: The invention relates to 2,5-diazabicyclo[2.2.1]heptane derivatives, to pharmaceutical compositions containing them, and to methods for the treatment or prevention of disorders associated with a dysfunction of the nicotinic receptors utilizing them.
    Type: Grant
    Filed: August 16, 2001
    Date of Patent: October 21, 2003
    Assignee: Sanofi-Synthelabo
    Inventors: Alistair Lochead, Samir Jegham, Alain Nedelec, Jean Jeunesse, Frédéric Galli, Luc Even
  • Publication number: 20030187012
    Abstract: The invention relates to pyridopyranoazepine derivatives, to pharmaceutical compositions containing them, to process for preparing them, and to the method of use thereof in the treatment or prevention of disorders associated with a dysfunction of the nicotine receptors.
    Type: Application
    Filed: February 6, 2003
    Publication date: October 2, 2003
    Inventors: Frederic Galli, Samir Jegham, Alistair Lochead, Axelle Samson
  • Publication number: 20030119840
    Abstract: Compounds of the general formula (I) 1
    Type: Application
    Filed: September 24, 2002
    Publication date: June 26, 2003
    Inventors: Frederic Galli, Samir Jegham, Odile Leclerc, Alistair Lochead, Alain Nedelec
  • Patent number: 6538003
    Abstract: The invention relates to pyridopyranoazepine derivatives, to pharmaceutical compositions containing them, to processes for preparing them, and to the method of use thereof in the treatment or prevention of disorders associated with a dysfunction of the nicotine receptors.
    Type: Grant
    Filed: August 17, 2001
    Date of Patent: March 25, 2003
    Assignee: Sanofi-Synthelabo
    Inventors: Frédéric Galli, Samir Jegham, Alistair Lochead, Axelle Samson
  • Patent number: 6407095
    Abstract: The invention relates to 1,4-diazabicyclo[3.2.2]nonane derivatives, to pharmaceutical compositions containing them, and to methods for the treatment or prevention of disorders associated with a dysfunction of the nicotinic receptors utilizing them.
    Type: Grant
    Filed: July 16, 2001
    Date of Patent: June 18, 2002
    Assignee: Sanofi-Synthelabo
    Inventors: Alistair Lochead, Samir Jegham, Alain Nedelec, Frédéric Galli, Jean Jeunesse, Luc Even
  • Patent number: 6255319
    Abstract: Compound of general formula (I) in which R1 represents an alkyl or cycloalkylmethyl group, X1 represents a hydrogen or halogen atom or an alkoxy group, or alternatively OR1 and X1 together represent an —OCH2O—, —O(CH2)2—, —O(CH2)3—, —O(CH2)2O— or —(CH2)3O— group, X2 represents a hydrogen atom or an amino group, X3 represents a hydrogen or halogen atom, and R2 represents a hydrogen atom, an optionally substituted alkyl group, an optionally substituted phenylalkyl group or a group —(CH2)nCO—Z in which n represents a number from 1 to 6 and Z represents a 1-piperidyl group. Therapeutic application.
    Type: Grant
    Filed: October 15, 1999
    Date of Patent: July 3, 2001
    Assignee: Sanofi-Synthelabo
    Inventors: Samir Jegham, Alistair Lochead, Frédéric Galli, Alain Nedelec, Axelle Samson, Thierry Gallet
  • Patent number: 6248757
    Abstract: Compounds corresponding to the general formula (I) in which R1 represents hydrogen or an alkyl or cycloalkylmethyl group, X1 represents hydrogen or a halogen or an alkoxy group, or alternatively OR1 and X1 together represent a group of formula —OCH2O—, —O(CH2)2—, —O(CH2)3—, —O(CH2)2O— or —O(CH2)3O—, X2 represents hydrogen, an amino group or a group of general formula —NHCO2R in which R represents an alkyl or phenylalkyl group, X3 represents hydrogen or a halogen, and R2 represents hydrogen or an alkyl, phenylalkyl or [(4-dimethylamino)piperid-1-ylcarbonyl]alkyl group. Therapeutic application.
    Type: Grant
    Filed: November 4, 1999
    Date of Patent: June 19, 2001
    Assignee: Sanofi-Synthelabo
    Inventors: Alistair Lochead, Samir Jegham, Jean Jeunesse
  • Patent number: 6184229
    Abstract: Compound corresponding to the general formula (I) in which R1 represents a hydrogen atom, a (C1-C4)alkyl group or a phenyl(C1-C4)alkyl group, R2 represents a hydrogen atom or a (C1-C4) alkyl group, and R3, R4 and R5 each represent a hydrogen or halogen atom or a trifluoromethyl, cyano, hydroxyl, (C1-C6)alkyl or (C1-C6) alkoxy group.
    Type: Grant
    Filed: January 7, 2000
    Date of Patent: February 6, 2001
    Assignee: Sanofi-Synthelabo
    Inventors: Alistair Lochead, Samir Jegham, Frédéric Galli
  • Patent number: 6143772
    Abstract: Compounds derived from 3-(benzofuran-5-yl) oxazolidin-2-one, of general formula (I) ##STR1## in which: R.sub.1 represents a phenyl group, a phenylmethyl group, an alkyl group or a fluoroalkyl group, and R.sub.2 represents a hydrogen atom or a methyl group. Application in therapeutics.
    Type: Grant
    Filed: May 8, 1998
    Date of Patent: November 7, 2000
    Assignee: Synthelabo
    Inventors: Samir Jegham, Frederic Puech, Philippe Burnier, Danielle Berthon
  • Patent number: 6143761
    Abstract: Compounds corresponding to the general formula (I) ##STR1## in which R.sub.1 represents a hydrogen atom, a (C.sub.1 -C.sub.6)alkyl group or a phenyl(C.sub.1 -C.sub.4)alkyl group, R.sub.2 represents a hydrogen atom or a (C.sub.1 -C.sub.6)alkyl group and R.sub.3, R.sub.4 and R.sub.5 each represent, independently of one another, a hydrogen or halogen atom or a trifluoromethyl, cyano, hydroxyl, (C.sub.1 -C.sub.6)alkyl or (C.sub.1 -C.sub.6)alkoxy group. Application in therapeutics.
    Type: Grant
    Filed: September 15, 1999
    Date of Patent: November 7, 2000
    Assignee: Sanofi-Synthelabo
    Inventors: Alistair Lochead, Samir Jegham, Frederic Galli, Thierry Gallet
  • Patent number: 6057321
    Abstract: The invention concerns compounds of general formula (I) ##STR1## in which R.sub.1 represents a methyl group, X.sub.1 represents a hydrogen atom, or OR.sub.1 and X.sub.1 together form a group of formula --O(CH.sub.2).sub.2 --,--O(CH.sub.2).sub.3 --, --O(CH.sub.2).sub.2 O-- or --O(CH.sub.2).sub.3 O--, X.sub.2 represents a hydrogen atom or an amino group, and X.sub.3 representing a halogen atom. The compounds are ligands of serotoninergic receptors of the 5-HT.sub.3 and/or 5-HT.sub.4 types, and act as 5-HT.sub.4 agonists and/or 5-HT.sub.3 antogonists.
    Type: Grant
    Filed: June 4, 1999
    Date of Patent: May 2, 2000
    Assignee: Sanofi-Synthelabo
    Inventors: Alistair Lochead, Samir Jegham, Alain Nedelec, Axelle Solignac
  • Patent number: 5969146
    Abstract: Compounds derived from oxazolidin-2-one of formula (I) ##STR1## in which: R.sub.1 represents a hydrogen atom, an alkyl group, a hydroxyalkyl group, a fluoroalkyl group, a hydroxyfluoroalkyl group, a cyanoalkyl group, a substituted or unsubstituted phenyl group, a substituted or unsubstituted phenylmethyl group or an R.sub.3 A- group in which R.sub.3 is a cycloalklyl or cyclooxyalkyl group which is unsubstituted or substituted by a hydroxyl group and A is a --CH.sub.2 or --CH.sub.2 --CH.sub.2 radical,R.sub.2 represents a hydrogen atom or a methyl group,X represents an oxygen or sulphur atom or an NR.sub.4 group where R.sub.4 is an alkyl group or a hydrogen atom, andZ represents an oxygen atom or a --CH.dbd.CH or --CH.sub.2 --CH.sub.2 group,their process of preparation and their applications in therapeutics.
    Type: Grant
    Filed: April 13, 1998
    Date of Patent: October 19, 1999
    Assignee: Synthelabo
    Inventors: Samir Jegham, Frederic Puech, Philippe Burnier, Danielle Berthon, Odile Leclerc
  • Patent number: 5929089
    Abstract: Compounds corresponding to the general formula (I) ##STR1## in which R.sub.1 represents a (C.sub.1 -C.sub.4)alkyl or (C.sub.3 -C.sub.7)cycloalkylmethyl group, X.sub.1 represents a hydrogen or halogen atom or a (C.sub.1 -C.sub.4)alkoxy group or else OR.sub.1 and X.sub.1 together represent a group of formula -OCH.sub.2 O-, -O(CH.sub.2).sub.2 -, -O(CH.sub.2).sub.3 -, -O(CH.sub.2).sub.2 O- or -O(CH.sub.2).sub.3 O-, X.sub.2 represents a hydrogen atom or an amino group, X.sub.3 represents a hydrogen or halogen atom, and R.sub.2 represents either a hydrogen atom or an optionally substituted (C.sub.1 -C.sub.6) alkyl group or a phenyl (C.sub.1 -C.sub.4) alkyl group which is optionally substituted on the phenyl ring or a phenyl (C.sub.2 -C.sub.3) alkenyl group or a phenoxy (C.sub.2 -C.sub.4) alkyl group or a cyclo (C.sub.3 -C.sub.7) alkylmethyl group or a 2,3-dihydro-1H-inden-1-yl or 2,3-dihydro-1H-inden-2-yl group or a group of general formula -(CH.sub.2).sub.
    Type: Grant
    Filed: May 8, 1998
    Date of Patent: July 27, 1999
    Assignee: Synthelabo
    Inventors: Samir Jegham, Alistair Lochead, Frederic Galli, Alain Nedelec, Axelle Solignac, Laurence De Cruz
  • Patent number: 5925662
    Abstract: Derivatives of oxazolidin-2-one of general formula (I) ##STR1## in which: n is equal to 0 or 1,R.sub.1 represents a cyano group, an alkyl group or a fluoroalkyl group,R.sub.2 represents a hydrogen atom or a hydroxyl group, andR.sub.3 represents a hydrogen atom or a methyl group.Application in therapeutics.
    Type: Grant
    Filed: May 8, 1998
    Date of Patent: July 20, 1999
    Assignee: Synthelabo
    Inventors: Samir Jegham, Frederic Puech, Philippe Burnier, Danielle Berthon
  • Patent number: 5843975
    Abstract: The present invention relates to isoindole derivatives, and more particularly to 5-(hydroxymethyl)oxazolidine-2-one derivatives which are substituted at the 3 position by an indazole, benzisoxazole or benzisothiazole ring system, to a process for their preparation and to their application in therapy.
    Type: Grant
    Filed: December 2, 1997
    Date of Patent: December 1, 1998
    Assignee: Synthelabo
    Inventors: Samir Jegham, Frederic Puech, Philippe Burnier
  • Patent number: 5663173
    Abstract: An optically active isomer or a racemate of a compound of general formula (I) ##STR1## in which either R.sub.1 represents a methoxy or cyclopropylmethoxy group andR.sub.2 represents a hydrogen, chlorine or bromine atom, orR.sub.1 and R.sub.2 together form, and in this order, a group of formula --O--CH.sub.2 --O--, --O--(CH.sub.2).sub.2 --, --O--(CH.sub.2).sub.2 --O-- or --O--(CH.sub.2).sub.3 --O--,R.sub.3 represents a hydrogen atom or an amino group, andR.sub.4 represents a hydrogen, chlorine or bromine atom,in the form of a free base or of a pharmaceutically acceptable acid addition salt.
    Type: Grant
    Filed: June 12, 1996
    Date of Patent: September 2, 1997
    Assignee: Synthelabo
    Inventors: Samir Jegham, Jean Jacques Koenig, Alistair Lochead, Alain Nedelec, Yves Guminski
  • Patent number: 5641785
    Abstract: 3,3a,4,5-Tetrahydro-1H-oxazolo[3,4-a]quinolin-1-one derivatives of formula (I) ##STR1## in which: n is 0 or 1,R.sub.1 represents a hydrogen atom or an ethenyl, methyl, ethyl, phenyl, hydroxymethyl or methoxymethyl group, and(i) R.sub.2 is a methyl, trifluoromethyl or cyano group, R.sub.3 is a hydrogen atom or a hydroxyl or benzyloxy group and R.sub.4 and R.sub.5 are hydrogen atoms,or (ii) R.sub.2 and R.sub.4 together form a --(CH.sub.2).sub.4 -- group, R.sub.3 is a hydroxyl group and R.sub.5 is a hydrogen atom,or (iii) R.sub.2 and R.sub.5 together form an --O--(CH.sub.2).sub.3 -- group, and R.sub.3 and R.sub.4 are hydrogen atoms,or (iv) R.sub.2 and R.sub.5 together form a --(CH.sub.2).sub.4 group, R.sub.3 is a hydroxyl group and R.sub.4 is a hydrogen atom,are useful as selective inhibitors of MAO-A or as mixed inhibitors of MAO-A and MAO-B.
    Type: Grant
    Filed: September 1, 1995
    Date of Patent: June 24, 1997
    Assignee: Synthelabo
    Inventors: Samir Jegham, Jean Jacques Koenig, Frederic Puech, Philippe Burnier, Lydia Zard
  • Patent number: 5589476
    Abstract: A compound of formula (I): ##STR1## in which R.sub.1 represents a hydrogen atom or a straight or branched (C.sub.1 -C.sub.4)alkyl group; andA represents a 5,6-dihydro-4H-imidazo[4,5,1-ij]quinol-2-yl group, a 4,5-dihydroimidazo[1,5,4-de][1,4]benzoxazin-2-yl group, a 4-methyl-4,5-dihydroimidazo[1,5,4-de][1,4]benzoxazin-2-yl group, a 4-phenyl-4,5-dihydroimidazo[1,5,4-de][1,4]benzoxazin-2-yl group, a 4-phenylmethyl-4,5-dihydroimidazo[1,5,4-de][1,4]benzoxazin-2-yl group, a 5-methyl-4,5-dihydroimidazo[1,5,4-de][1,4]benzoxazin-2-yl group, a 5,6-dihydro-4H-imidazo[1,5,4-de]quinoxalin-2-yl group, a 6-oxo-5,6-dihydro-4H-imidazo[4,5,1-ij]quinol-2-yl group, or a 5-methyl-4,5,6,7-tetrahydroimidazo[4,5,1-jk][1,4]benzodiazepin-2-yl group which may be unsubstituted or substituted in the 6-position by a phenylmethyl group;or an addition salt thereof with a pharmaceutically acceptable acid.
    Type: Grant
    Filed: October 3, 1994
    Date of Patent: December 31, 1996
    Assignee: Synthelabo
    Inventors: Samir Jegham, G erard Defosse, Thomas A. Purcell, Luc Even