Patents by Inventor Daniel Frehel

Daniel Frehel 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: 7879889
    Abstract: The present invention discloses and claims therapeutic uses of a compound corresponding to the general formula (I): Wherein, X, R1, R2, R3, R4, R5, R5?, R6 and n are as described herein.
    Type: Grant
    Filed: June 22, 2009
    Date of Patent: February 1, 2011
    Assignee: Sanofi-Aventis
    Inventors: Pierre Despey-Roux, Daniel Frehel, Bruno Schoentjes, Viviane Van Dorsselaer
  • Publication number: 20090253753
    Abstract: The present invention discloses and claims therapeutic uses of a compound corresponding to the general formula (I): Wherein, X, R1, R2, R3, R4, R5, R5?, R6 and n are as described herein.
    Type: Application
    Filed: June 22, 2009
    Publication date: October 8, 2009
    Applicant: SANOFI-AVENTIS
    Inventors: Pierre DESPEYROUX, Daniel FREHEL, Bruno SCHOENTJES, Viviane VAN DORSSELAER
  • Patent number: 7563903
    Abstract: Compound corresponding to the general formula (I): in which, X represents an oxygen or sulphur atom; R1 represents a C1-10 alkyl group optionally substituted, a C3-7 cycloalkyl, thienyl, pyridinyl or pyrimidinyl group; the thienyl groups being optionally substituted; the phenyl group being optionally substituted; R2 represents a C1-6 alkyl group optionally substituted, a C3-7 cycloalkyl, piperidinyl, phenyl or pyridinyl group; the C3-7 cycloalkyl and piperidinyl groups being optionally substituted; the phenyl and pyridinyl groups being optionally substituted; R3 represents a hydrogen atom or a C1-6 alkyl group optionally substituted with a C3-7 cycloalkyl group; R4 represents a hydrogen atom or a C1-6 alkyl group; R5 and R5? represent, independently of each other, a hydrogen or halogen atom, a hydroxyl or C1-3 alkyl group; or R5 and R5? form together an oxo or oxime group such as: where R7 represents a hydrogen atom or a C1-3 alkyl; n represents an integer ranging from 0 to 3; and R6 represents, in
    Type: Grant
    Filed: July 21, 2005
    Date of Patent: July 21, 2009
    Assignee: Sanofi-Aventis
    Inventors: Pierre Despeyroux, Daniel Frehel, Bruno Schoentjes, Viviane Van Dorsselaer
  • Publication number: 20080058380
    Abstract: The invention relates to a compound corresponding to the general formula (I): wherein, X, R1, R2, R3, R4, R5, R5? and R6 are as defined herein. More specifically, this invention relates to intermediates to prepare a compound of formula (I) as well as its utility in treating a variety of diseases including Alzheimer's disease and Parkinson's disease.
    Type: Application
    Filed: September 20, 2007
    Publication date: March 6, 2008
    Applicant: SANOFI-AVENTIS
    Inventors: Paul DE COINTET, Pierre Despeyroux, Daniel Frehel, Chantal Guenet, Corinne Heckel, Jean-Pierre Maffrand, Rebecca Pruss
  • Patent number: 7288659
    Abstract: The invention concerns a compound of general formula (I), wherein: X represents an oxygen or sulphur atom; R1 represents, independently of each other when n=2 or 3, a halogen atom, a hydroxy, a C1-C3 alkyl, a C1-C3 alkoxy, a trifluoromethyl, a trifluoromethyloxy or a methylenedioxy; R2 represents a C1-C6 alkyl group optionally substituted, a C3-C7 cycloalkyl, piperidinyl or phenyl group, the C3-C7 cycloalkyl, piperidinyl or phenyl groups being optionally substituted; R3 represents a hydrogen atom or a C1-C6 alkyl group optionally substituted; R4 represents a hydrogen atom or a C1-C4 alkyl group; and R5 and R5? represent, independently of each other, a hydrogen atom, a hydroxy, a halogen atom, a C1-C3 alkyl group, or R5 and R5? form together an oxo group; R6 represents a hydrogen atom, a halogen atom, a C1-C3 alkyl, a C1-C3 alkoxy, a trifluoromethyl, or a trifluoromethoxy; in the form of a base, addition to an acid, hydrate or solvate.
    Type: Grant
    Filed: August 5, 2002
    Date of Patent: October 30, 2007
    Assignee: Sanofi-Aventis
    Inventors: Paul De Cointet, Pierre Despeyroux, Daniel Frehel, Chantal Guenet, Corinne Heckel, Jean-Pierre Maffrand, Rebecca Pruss
  • Publication number: 20060052426
    Abstract: Compound corresponding to the general formula (I): in which, X represents an oxygen or sulphur atom; R1 represents a C1-10 alkyl group optionally substituted, a C3-7 cycloalkyl, thienyl, pyridinyl or pyrimidinyl group; the thienyl groups being optionally substituted; the phenyl group being optionally substituted; R2 represents a C1-6 alkyl group optionally substituted, a C3-7 cycloalkyl, piperidinyl, phenyl or pyridinyl group; the C3-7 cycloalkyl and piperidinyl groups being optionally substituted; the phenyl and pyridinyl groups being optionally substituted; R3 represents a hydrogen atom or a C1-6 alkyl group optionally substituted with a C3-7 cycloalkyl group; R4 represents a hydrogen atom or a C1-6 alkyl group; R5 and R5? represent, independently of each other, a hydrogen or halogen atom, a hydroxyl or C1-3 alkyl group; or R5 and R5? form together an oxo or oxime group such as: where R7 represents a hydrogen atom or a C1-3 alkyl; n represents an integer ranging from 0 to 3; and R6 represents, inde
    Type: Application
    Filed: July 21, 2005
    Publication date: March 9, 2006
    Inventors: Pierre Despeyroux, Daniel Frehel, Bruno Schoentjes, Viviane Van Dorsselaer
  • Publication number: 20040171643
    Abstract: The invention concerns a compound of general formula (I), wherein: X represents an oxygen or sulphur atom; R1 represents, independently of each other when n=2 or 3, a halogen atom, a hydroxy, a C1-C3 alkyl, a C1-C3 alkoxy, a trifluoromethyl, a trifluoromethyloxy or a methylenedioxy; R2 represents a C1-C6 alkyl group optionally substituted, a C3-C7 cycloalkyl, piperidinyl or phenyl group, the C3-C7 cycloalkyl, piperidinyl or phenyl groups being optionally substituted; R3 represents a hydrogen atom or a C1-C6 alkyl group optionally substituted; R4 represents a hydrogen atom or a C1-C4 alkyl group; and R5 and R5′ represent, independently of each other, a hydrogen atom, a hydroxy, a halogen atom, a C1-C3 alkyl group, or R5 and R5′ form together an oxo group; R6 represents a hydrogen atom, a halogen atom, a C1-C3 alkyl, a C1-C3 alkoxy, a trifluoromethyl, or a trifluoromethoxy; in the form of a base, addition to an acid, hydrate or solvate. The invention is applicable in therapy.
    Type: Application
    Filed: February 4, 2004
    Publication date: September 2, 2004
    Inventors: Paul De Cointet, Pierre Despeyroux, Daniel Frehel, Chantal Guenet, Corinne Heckel, Jean-Pierre Maffrand, Rebecca Pruss
  • Publication number: 20040043995
    Abstract: The invention relates to a compound of formula 1
    Type: Application
    Filed: December 12, 2002
    Publication date: March 4, 2004
    Inventors: Eric Bignon, Jean Pierre Bras, Paul De Cointet, Pierre Despeyroux, Daniel Frehel, Danielle Gully
  • Publication number: 20040019091
    Abstract: The present invention relates to compounds of formula (I) and their pharmaccutically acceptable salts, solvates, hydrates and polymorphs. These compounds are powerful and selective CCK1 receptor agonists.
    Type: Application
    Filed: April 8, 2003
    Publication date: January 29, 2004
    Inventors: Eric Bignon, Eva Csikos, Daniel Frehel, Csaba Gonczi, Gergley Heja, Miklos Morvai, Benjamin Podanyi, Erika Schlovicsko Varkonyine
  • Patent number: 5798353
    Abstract: The invention relates to the compounds of formula (I) ##STR1## in which R.sub.I, R.sub.II, X.sub.1, X.sub.2, X.sub.3 and X.sub.4 are as defined in claim 1.
    Type: Grant
    Filed: November 20, 1997
    Date of Patent: August 25, 1998
    Assignee: Sanofi
    Inventors: Alain Badorc, Pierre Despeyroux, Daniele Gully, Paul De Cointet, Daniel Frehel, Jean-Pierre Maffrand
  • Patent number: 5731340
    Abstract: The present invention relates to compounds of formula: ##STR1## which are agonists of cholecystokinin receptors and pharmaceutical compositions containing them.
    Type: Grant
    Filed: August 16, 1995
    Date of Patent: March 24, 1998
    Assignee: Sanofi
    Inventors: Jean-Pierre Bras, Paul de Cointet, Pierre Despeyroux, Daniel Frehel, Danielle Gully, Jean-Pierre Maffrand, Eric Bignon
  • Patent number: 5719143
    Abstract: The invention relates to the compounds of formula (I) ##STR1## in which R.sub.I, R.sub.II, X.sub.1, X.sub.2, X.sub.3 and X.sub.4 are as defined in claim 1.
    Type: Grant
    Filed: February 14, 1995
    Date of Patent: February 17, 1998
    Assignee: Sanofi
    Inventors: Alain Badorc, Pierre Despeyroux, Daniele Gully, Paul de Cointet, Daniel Frehel, Jean-Pierre Maffrand
  • Patent number: 5656648
    Abstract: The invention relates to the use of a compound of formula: ##STR1## in which Y represents a 3-quinolyl group or a 2-indolyl group of formula: ##STR2## in which: X is chosen from 4-chloro-2,6-dimethoxyphenyl, 2,6-dimethoxy-4-methylphenyl, 2,4,5-trimethoxyphenyl, 4-methyl-2,3,6-trimethoxyphenyl, 2,6-dimethoxy-4-ethylphenyl, 2,4,6-trimethoxy-5-chlorophenyl, 2,4,6-trimethoxy-3-pyridyl, 2,4-dimethoxy-6-methyl-3-pyridyl, 6-chloro-2,4-dimethoxy-5-pyrimidinyl, 2,4,6-trimethoxy-5-pyrimidinyl, 5-chloro-2,4-dimethoxyphenyl, 5-chloro-2-methoxy-4-methylphenyl, 2,5-dimethoxy-4-methylphenyl, 4-trifluoromethyl-2,6-dimethoxyphenyl, 2,4-dimethoxy-5-methylphenyl, 5-ethyl-2,4-dimethoxyphenyl and 2,4-dimethoxyphenyl groups;Z represents H, a C.sub.1 -C.sub.4 -alkyl or a benzyl;for combating complaints whose treatment necessitates a stimulation of the cholecystokinin receptors by a total or partial agonist effect.
    Type: Grant
    Filed: June 7, 1995
    Date of Patent: August 12, 1997
    Assignee: SANOFI
    Inventors: Robert Boigegrain, Roger Brodin, Daniel Frehel, Danielle Gully, Jean-Charles Molimard, Dominique Olliero
  • Patent number: 5576328
    Abstract: The invention relates to a new method for the secondary prevention of ischemic events comprising administering to a man in need thereof a therapeutically effective amount of a compound selected from clopidogrel and its pharmaceutically acceptable acid addition salts in association with a pharmaceutically acceptable carrier.
    Type: Grant
    Filed: January 31, 1994
    Date of Patent: November 19, 1996
    Assignee: Elf Sanofi
    Inventors: Jean-Marc Herbert, Daniel Frehel, Andr e Bernat, Alain Badorc, Pierre Savi, Denis Delebass ee, Gilles Kieffer, Ghislain Defreyn, Jean-Pierre Maffrand
  • Patent number: 5534530
    Abstract: The invention relates to thiadiazole derivatives corresponding to the general formula ##STR1## in which Ar represents a nitrogen-containing aromatic heterocycle, in particular indolyl which is substituted or unsubstituted on the nitrogen atom with CO--(C.sub.1 -C.sub.4)alkyl; with (CH.sub.2).sub.n COR in which n represents 1 or 2 and R represents OR.sub.1 or NR.sub.1 R.sub.2 with R.sub.1 and R.sub.2, which may be identical or different, representing H or (C.sub.1 -C.sub.4)alkyl; with (C.sub.1 -C.sub.4) hydroxyalkyl; with (C.sub.2 -C.sub.6) alkoxyalkyl; tetrahydropyranyl; or with a --(CH.sub.2).sub.3 -- chain, the last carbon of which is attached to the phenyl ring of the indole to form a 6-membered ring;Z represents(a) the group ##STR2## where A and B, independently of each other, represent C, CH or N; and X.sub.1, X.sub.2, X.sub.3 and X.sub.4, which may be identical or different, represent H, (C.sub.1 -C.sub.3)alkyl, (C.sub.1 -C.sub.
    Type: Grant
    Filed: April 13, 1994
    Date of Patent: July 9, 1996
    Assignee: Elf Sanofi
    Inventors: Daniel Frehel, Danielle Gully, Robert Boigegrain, Alain Badorc, Jean-Pierre Bras, Pierre Despeyroux
  • Patent number: 5252749
    Abstract: The compounds of the invention having the formula: ##STR1## in which: A, which is a ring condensed with cyclopentane, represents a substituted or unsubstituted thiophene ring, Q represents an alkylene chain, R.sub.1 and R.sub.2 each represent H or an alkyl, or they form, with the nitrogen atom to which they are linked, a saturated nitrogenous heterocyclic ring containing 5 to 7 atoms, R.sub.3 and R.sub.4 each represent H, alkyl, cycloalkyl, trifluoromethyl or an optionally substituted phenyl, thienyl or furyl group or R.sub.3 and R.sub.4 together form a (C.sub.5 -C.sub.8) cycloalkyl, as well as their addition salts with an acid and their quaternary ammonium derivatives.They can be used as medicines.
    Type: Grant
    Filed: September 23, 1992
    Date of Patent: October 12, 1993
    Assignee: Elf Sanofi
    Inventors: Alain Badorc, Jean Courregelongue, Daniel Ducros, Daniel Frehel, Antonina Giudice, Claudine Serradeil-Legal
  • Patent number: 5190938
    Abstract: The invention relates to compounds of formula ##STR1## in which R.sub.1 is selected from the groups R.sub.3 and OR.sub.3, R is selected from H and a group CHR.sub.2 R', in which R.sub.2 is selected from H, alkyl, carboxy and carboxamido and R', is H, alkyl or phenyl, Z represents S or O; and m and n, which may be identical or different, equal 1 or 2, and their N-oxides, salts and quaternary ammonium derivatives.The invention also relates to the process for preparing these compounds, as well as to pharmaceutical compositions containing them.
    Type: Grant
    Filed: October 2, 1990
    Date of Patent: March 2, 1993
    Assignee: Sanofi
    Inventors: Alain Badorc, Marie-Francoise Bordes, Daniel Frehel, Jean-Marc Herbert
  • Patent number: 5189049
    Abstract: Compounds of formula ##STR1## in which R.sub.1 represents H, an alkyl or a substituted alkyl, R.sub.2 represents H or alkyl and R.sub.3 represents an optionally substituted cycloalkyl or an optionally substituted aromatic group, which can be a phenyl or a heterocyclic group comprising one or more hetero-atoms chosen from O, S and N, or R.sub.2 and R.sub.3 considered together represent the group ##STR2## which is optionally substituted on the phenyl ring, and Z represents a heterocycle comprising one or more heteroatoms chosen from O, S and N, fused with an aromatic ring which can comprise a hetero-atom and can be substituted, the said heterocycle being optionally substituted on N, when it comprises such an atom, by an alkyl or a substituted alkyl group, and the salts of these compounds with acids or bases.Use of these compounds as medicaments.No figure.
    Type: Grant
    Filed: December 5, 1990
    Date of Patent: February 23, 1993
    Assignee: Sanofi
    Inventors: Daniel Frehel, Danielle Gully, Gerard Valette, Jean-Pierre Bras
  • Patent number: 4977168
    Abstract: N.alpha.-substituted derivatives of N.alpha.-arylsulphonylaminoacyl p-amidinophenylalaninamides, their preparation, their use as medicaments and intermediates for their synthesis.
    Type: Grant
    Filed: January 23, 1987
    Date of Patent: December 11, 1990
    Assignee: Sanofi
    Inventors: Andre Bernat, Denis Delabassee, Daniel Frehel, Jean-Pierre Maffrand, Eric Vallee
  • Patent number: RE37094
    Abstract: Compounds of formula in which R1 represents H, an alkyl or a substituted alkyl, R2 represents H or alkyl and R3 represents an optionally substituted cycloalkyl or an optionally substituted aromatic group, which can be a phenyl or a heterocyclic group comprising one or more hetero-atoms chosen from O, S and N, or R2 and R3 considered together represent the group which is optionally substituted on the phenyl ring, and Z represents a heterocycle comprising one or more heteroatoms chosen from O, S and N, fused with an aromatic ring which can comprise a hetero-atom and can be substituted, the said heterocycle being optionally substituted on N, when it comprises such an atom, by an alkyl or a substituted alkyl group, and the salts of these compounds with acids or bases. Use of these compounds as medicaments. No figure.
    Type: Grant
    Filed: September 11, 1995
    Date of Patent: March 13, 2001
    Assignee: Sanofi
    Inventors: Daniel Fréhel, Danielle Gully, Gérard Valette, Jean-Pierre Bras