Patents by Inventor Joël Radisson

Joël Radisson 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).

  • Publication number: 20230286932
    Abstract: The present disclosure relates to the fields of chemistry and medicine, more particularly to processes for making 4-(2-chloro-4-methoxy-5-methylphenyl)-N-[(1S)-2-cyclopropyl-1-(3-fluoro-4-methylphenyl)ethyl]-5-methyl-N-prop-2-ynyl-1,3-thiazol-2-amine (Compound 1), pharmaceutically acceptable salts, and crystalline forms thereof, for the treatment of congenital adrenal hyperplasia (CAH).
    Type: Application
    Filed: June 10, 2020
    Publication date: September 14, 2023
    Inventors: Andrew PALMER, Scott STIRN, Joel RADISSON, Christina Marie COSTA
  • Publication number: 20230233534
    Abstract: The present disclosure relates to the fields of chemistry and medicine, more particularly to processes for making 4-(2-chloro-4-methoxy-5-methylphenyl)-N-[(1S)-2-cyclopropyl-1-(3-fluoro-4-methylphenyl)ethyl]-5-methyl-N-prop-2-ynyl-1,3-thi-azol-2-amine (Compound 1), pharmaceutically acceptable salts, and crystalline forms thereof, for the treatment of congenital adrenal hyperplasia (CAH).
    Type: Application
    Filed: June 9, 2021
    Publication date: July 27, 2023
    Inventors: Andrew Palmer, Scott Stirn, Joel Radisson, Christina Marie Costa
  • Patent number: 6365748
    Abstract: A method for preparing the potassium dihydrate salt of 2-[[4-(2-chlorophenyl)-2-thiazolyl]carbamoyl]indole-1-acetic acid, by reacting 2-[[4-(2-chlorophenyl)-2-thiazolyl]carbamoyl]indole-1-acetic acid or its C1-C4 alkyl esters with potassium carbonate in a two phase solvent system comprising a mixture of water and an organic solvent which is only slightly miscible with water and optionally recrystallising the precipitated intermediate solvate from water and to the potassium dihydrate salt thus obtained.
    Type: Grant
    Filed: January 18, 2001
    Date of Patent: April 2, 2002
    Assignee: Sandofi-Synthelabo
    Inventor: Joël Radisson
  • Patent number: 6242607
    Abstract: The invention relates to glutarimides of formula (I): in which Ar represents a phenyl non substituted or substituted one or more times with one of the substituents selected from a halogen atom, a hydroxyl, a (C1-C4)alkoxy, a trifluoromethyl, a (C1-C4)alkyl, said substituents being identical or different; a pyridyl group; a thienyl group and X is methylene or ethylene, their salts and their enantiomers, as well as their method of preparation and their use for the preparation of the corresponding 3,3-disubstituted piperidines.
    Type: Grant
    Filed: November 10, 1999
    Date of Patent: June 5, 2001
    Assignee: Sanofi-Synthelabo
    Inventors: Philippe Camus, Marcel Descamps, Joël Radisson
  • Patent number: 6008360
    Abstract: The invention relates to glutarimides of formula (I): ##STR1## in which Ar represents a phenyl non substituted or substituted one or more times with one of the substitutents selected from a halogen atom, a hydroxyl, a (C.sub.1 -C.sub.4)alkoxy, a trifluoromethyl, a (C.sub.1 -C.sub.4)alkyl, said substitutents being identical or different ; a pyridyl group; a thienyl group and X is methylene or ethylene, their salts and their enantiomers, as well as their method of preparation and their use for the preparation of the corresponding 3,3-disubstituted piperidines.
    Type: Grant
    Filed: September 3, 1998
    Date of Patent: December 28, 1999
    Assignee: Sanofi-Synthelabo
    Inventors: Philippe Camus, Marcel Descamps, Joel Radisson
  • Patent number: 5780666
    Abstract: A process is described for the preparation of (+)-2-(3,4-dichlorophenyl)-4-hydroxybutylamine (I) by reaction of 3,4-dichlorophenylacetic acid (II) with an alkali metal halogenoacetate, treatment of the 3-cyano-3-(3,4-dichlorophenyl)propionic acid (III) with D-(-)-N-methylglucamine, with second-order asymmetric conversion, hydrolysis of the D-(-)-N-methylglucamine salt of (-)-3-cyano-3-(3,4-dichlorophenyl,)propionic acid and enantioconservative reduction of the resulting levorotatory cyanoacid with a borane.
    Type: Grant
    Filed: February 7, 1996
    Date of Patent: July 14, 1998
    Assignee: Sanofi
    Inventors: Marcel Descamps, Joel Radisson, Anne-Archard Gilles
  • Patent number: 5512680
    Abstract: A process is described for the preparation of (+)-2-(3,4-dichlorophenyl)-4-hydroxybutylamine (I) by reaction of 3,4-dichlorophenylacetonitrile (II) with an alkali metal halogenoacetate, treatment of the 3-cyano-3-(3,4-dichlorophenyl)propionic acid (III) with D-(-)-N-methylglucamine, with second-order asymmetric conversion, hydrolysis of the D-(-)-N-methylglucamine salt of (-)-3-cyano-3-(3,4-dichlorophenyl)propionic acid and enantioconservative reduction of the resulting levorotatory cyanoacid with a borane.
    Type: Grant
    Filed: August 24, 1994
    Date of Patent: April 30, 1996
    Assignee: Sanofi
    Inventors: Marcel Descamps, Joel Radisson, Gilles Anne-Archard
  • Patent number: 5204469
    Abstract: The invention relates to a process for the preparation of the compound of formula ##STR1## wherein a formylating agent is reacted with the compound of formula ##STR2## and wherein the compounds obtained are cyclised in the presence of an acid.
    Type: Grant
    Filed: July 3, 1991
    Date of Patent: April 20, 1993
    Assignee: Sanofi
    Inventors: Marcel Descamps, Joel Radisson
  • Patent number: 5189170
    Abstract: Compounds of formula: ##STR1## in which R.sub.1 and R.sub.2 are hydrogen or halogen, are prepared by reacting an aldehyde of formula: ##STR2## with CHBr.sub.3 and KOH in a mixture of an inert solvent and water. Further an ester of compound (I) wherein R.sub.1 is H and R.sub.2 is 2-Cl is reacted with 4,5,6,7-tetrahydrothieno[3,2-c]pyridine to produce a compound of formula III: ##STR3## which is useful as a medicament.
    Type: Grant
    Filed: March 29, 1991
    Date of Patent: February 23, 1993
    Assignee: Sanofi
    Inventors: Michel Bouisset, Joel Radisson
  • Patent number: 5036156
    Abstract: Compounds of formula ##STR1## in which R.sub.1 and R.sub.2 are hydrogen or halogen, are prepared by reacting an aldehyde of formula: ##STR2## with CHBr.sub.3 and KOH in a mixture of an inert solvent and water. Further an ester of compound (I) wherein R.sub.1 is H and R.sub.2 is 2-Cl is reacted with 4,5,6,7-tetrahydrothieno[3,2-c]pyridine to produce a compound of formula III: ##STR3## which is useful as a medicament.
    Type: Grant
    Filed: June 19, 1990
    Date of Patent: July 30, 1991
    Assignee: Sanofi
    Inventors: Michel Bouisset, Joel Radisson
  • Patent number: 4876362
    Abstract: The invention has as its subject a process for the preparation of thienylethylamines of the formulaR--NR--R'where R represents the group ##STR1## and R' represents hydrogen or a group identical to R, by catalytic hydrogenation of a compound of the formula ##STR2## synthesis intermediates.
    Type: Grant
    Filed: December 11, 1987
    Date of Patent: October 24, 1989
    Assignee: Sanofi
    Inventors: Joel Radisson, Emile Braye
  • Patent number: 4873343
    Abstract: In the process according to the invention 2-thiophene acetonitrile is reacted with 2-chlorobenzylamine and hydrogen in the presence of a hydrogenation catalyst.The product obtained is a chemical intermediate useful in the pharmaceutical industry.
    Type: Grant
    Filed: November 23, 1988
    Date of Patent: October 10, 1989
    Assignee: Sanofi
    Inventor: Joel Radisson