Patents by Inventor Alistair Lochead

Alistair Lochead 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: 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
  • Publication number: 20040087598
    Abstract: The invention relates to pyrimidone derivative represented by formula (I) or a salt thereof wherein X represents 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, a 1,2-cyclopropylene, an oxygen atom, a sulfur atom, a sulfonyl group, a sulfoxyde group, a carbonyl group, a nitrogen atom being optionally substituted; or a methylene group optionally substituted; R1 represent a 2,3 or 4-pyridyl group optionally substituted by a C3-6cycloalkyl group a C1-4alkyl group, a C1-4alkoxy group, a benzyl group or a halogen atom; when Y represents a bond, a methylene group optionally substituted or a carbonyl group then R2 represent a C1-16alkyl group, a C3-6cycloalkyl group, a C1-4alkylthio group, a C1-4alkoxy group, a C1-2perhalogenated alkyl group, a C1-3halogenated alkyl group, a 5,6,7,8-tetrahydronaphthyl ring, a naphthyl ring, a phenylthio group, a benzyl group, a phenyl ring, a pyridyl ring, an indole ring, a pyrrol
    Type: Application
    Filed: June 17, 2003
    Publication date: May 6, 2004
    Inventors: Antonio Almario Garcia, Thierry Gallet, Adrien Tak Li, Alistair Lochead, Severin Marguerie, Alain Nedelec, Mourad Saady, Philippe Yaiche
  • Publication number: 20040044010
    Abstract: The invention relates to an imidazo[1,2-a]pyrimidone derivative represented by formula (1) or a salt thereof, wherein: X represents a bond, an ethenylene group, and ethenylene group, a methylene group optionally substituted by one or two groups selected from a C1-6 alkyl group, a hydroxy group and a C1-4 alkoxy group; a carbonyl group, an oxygen atom, a sulfur atom, a sulfonyl group, a sulfoxide group or a nitrogen atom being optionally substituted by a C1-6 alkyl group; R1 represents a 2,3 or 4-pyridyl group optionally substituted by a C1-4 alkyl group, C1-4 alkoxy group or a halogen atom; R2 represents a C1-4 alkyl group, perhalogenated alkyl group, a C1-3 halogenated alkyl group, a benzyl group, a phenyl ring, a naphthyl ring, 5,6,7,8-tetrahydronaphthyl ring, a pyridyl ring, an indole ring, a pyrrole ring, a thiophene ring, a furan ring or an imidazole ring, the benzyl group and the rings being optionally substituted by 1 to 4 substituents selected from a C1-4 alkyl group, a phenyl ring, a haloge
    Type: Application
    Filed: June 23, 2003
    Publication date: March 4, 2004
    Inventors: Alistair Lochead, Severine Marguerie, Mourad Saady, Philippe Yaiche
  • Publication number: 20040029884
    Abstract: Compound corresponding to the general formula (I) 1
    Type: Application
    Filed: November 18, 2002
    Publication date: February 12, 2004
    Inventors: Thierry Gallet, Frederic Galli, Odile Leclerc, Alistair Lochead
  • 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: 20030153574
    Abstract: Compound corresponding to the general formula (I) 1
    Type: Application
    Filed: February 24, 2003
    Publication date: August 14, 2003
    Inventors: Frederic Galli, 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
  • Publication number: 20030114461
    Abstract: Compounds corresponding to general formula (I) 1
    Type: Application
    Filed: November 18, 2002
    Publication date: June 19, 2003
    Inventors: Frederic Galli, Odile Leclerc, Alistair Lochead
  • 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: 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: 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: 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: 4914092
    Abstract: A compound, in the form of a pure diastereoisomer or mixture thereof, which is a benzothiazepin-4-one derivative of formula (I): ##STR1## in which: R1 is hydrogen or a C.sub.2 -C.sub.4 alkanoyl group;R2 and R3 independently each is hydrogen, a linear or branched C.sub.1 -C.sub.4 alkyl group, a C.sub.3 -C.sub.5 cycloalkyl group, a phenyl group, a benzyl group or a phenethyl group, or R2 and R3 together form, with the nitrogen atom to which they are attached, a pyrrolidinyl, 2,2-dimethylpyrrolidinyl, piperidyl, 4-phenylpiperidyl, 4-(3-methoxyphenyl)piperidyl, 4-(4-fluorobenzoyl)piperidyl, 1,2,3,6-tetrahydropyridyl, perhydroazepinyl, perhydroazocinyl, 1,3-thiazolidinyl, thiomorpholinyl, morpholinyl, 2,3-dihydroindolyl, 1,2,3,4-tetrahydroisoquinolyl, 6-methoxy-1,2,3,4-tetrahydroisoquinolyl, 6,7-dimethoxy-1,2,3,4-tetrahydroisoquinolyl or 2,3,4,5-tetrahydro-1H-benz[b]azepinyl group; andX is hydrogen or chlorine;or a pharmacologically acceptable acid addition salt thereof.
    Type: Grant
    Filed: April 18, 1989
    Date of Patent: April 3, 1990
    Assignee: Synthelabo
    Inventors: Alistair Lochead, Jean C. Muller, Colombe Denys, Andre Dumas