Patents by Inventor Jean Gubin

Jean Gubin 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: 5739340
    Abstract: The invention relates to indolizine derivatives of general formula: ##STR1## in which: X denotes an --S or --SO.sub.2 -- group,each of R.sub.1 and R.sub.2, which are identical or different, denotes hydrogen, the methyl or ethyl radical or a halogen atom,R.sub.3 denotes hydrogen or a C.sub.1 -C.sub.4 alkyl radical,R.sub.4 denotes a precursor radical of a carboxyl group,R denotes a C.sub.1 -C.sub.6 alkyl, C.sub.3 -C.sub.6 cycloalkyl or phenyl radical, and their use as intermediates for the preparation of pharmaceutically active aminoalkoxybenzenesulphonylindolizine derivatives.
    Type: Grant
    Filed: April 2, 1997
    Date of Patent: April 14, 1998
    Assignee: Elf Sanofi
    Inventors: Jean Gubin, Michel Renard
  • Patent number: 5567827
    Abstract: The subject of the invention is 4-hydroxyphenylthio derivatives of general formula: ##STR1## in which: R.sub.1 and R.sub.2, which are identical or different, each represent hydrogen, a methyl or ethyl radical or a halogen atom,R represents a (C.sub.1 -C.sub.6) alkyl, (C.sub.3 -C.sub.6) cycloalkyl or phenyl radical,R.sub.3 represents hydrogen or a halogen atom,X represents --O--, --S-- or --NR.sub.4 -- in which R.sub.4 represents hydrogen or a (C.sub.1 -C.sub.4) alkyl group,useful as synthetic intermediates, especially for the preparation of aminoalkoxyphenylsulphonyl derivatives which are pharmaceutically active compounds.
    Type: Grant
    Filed: June 7, 1995
    Date of Patent: October 22, 1996
    Assignee: Elf Sanofi
    Inventors: Jean Gubin, Henri Inion
  • Patent number: 5565470
    Abstract: Cycloaminoalkoxyphenyl derivatives useful for the treatment of certain pathological syndromes of the cardiovascular system and ocular diseases of formula: ##STR1## in which: B represents a --S--, --SO-- or --SO.sub.2 -- group,R.sub.1 and R.sub.2 which are identical or different, each denotes hydrogen, a methyl or ethyl radical or a halogen such as chlorine, bromine or iodine,A denotes a straight or linear alkylene radical, having from 2 to 5 carbon atoms or a 2-hydroxypropylene radical in which the hydroxy is optionally substituted by a lower alkyl radical,Am demotes a group: ##STR2## in which: R.sub.3, R'.sub.3 and R".sub.3, which are identical or different, each denotes hydrogen, a halogen atom such as chlorine or bromine, a lower alkyl group or a lower alkoxy group, R.sub.4 denotes hydrogen or an alkyl radical,n and m, identical or different, each denotes 0, 1, 2 or 3,Cy represents a group of formula: ##STR3## and pharmaceutically acceptable salts thereof.
    Type: Grant
    Filed: June 16, 1994
    Date of Patent: October 15, 1996
    Assignee: Sanofi
    Inventors: Jean Gubin, Pierre Chatelain, Jean Lucchetti
  • Patent number: 5508431
    Abstract: The subject of the invention is 4-hydroxyphenylthio derivatives of general formula: ##STR1## in which: R.sub.1 and R.sub.2, which are identical or different, each represent hydrogen, a methyl or ethyl radical or a halogen atom,R represents a (C.sub.1 -C.sub.6) alkyl, (C.sub.3 -C.sub.6) cycloalkyl or phenyl radical,R.sub.3 represents hydrogen or a halogen atom,X represents --O--, --S-- or --NR.sub.4 -- in which R.sub.4 represents hydrogen or a (C.sub.1 -C.sub.4) alkyl group, useful as synthetic intermediates, especially for the preparation of aminoalkoxyphenylsulphonyl derivatives which are pharmaceutically active compounds.
    Type: Grant
    Filed: September 8, 1994
    Date of Patent: April 16, 1996
    Assignee: Elf Sanofi
    Inventors: Jean Gubin, Henri Inion
  • Patent number: 5444056
    Abstract: An aminoalkoxyphenyl derivative of general formula:Cy--B--Ph--O--A--Am (1)as well as a pharmaceutically acceptable salt thereof in whichB represents a --S--, --SO-- or --SO.sub.2 -- group,Ph represents an optionally substituted phenyl radical,A denotes a straight or branched alkylene radical having from 2 to 5 carbon atoms or a 2-hydroxy propylene radical in which the hydroxy is optionally substituted by a C.sub.1 -C.sub.4 alkyl radical.Am represents a group: ##STR1## and Cy is a cyclic group, provided that when Cy represents either a benzo[b]furyl group substituted at position 4 by a halogen atom or a C.sub.1 -C.sub.4 alkyl group, or a benzo[b]thienyl group substituted at position 4 by a halogen atom or by a C.sub.1 -C.sub.4 alkyl group and when B represents a --SO.sub.2 -- group, R.sub.3 represents a --Alk--Ar radical.
    Type: Grant
    Filed: February 7, 1990
    Date of Patent: August 22, 1995
    Assignee: Sanofi
    Inventors: Jean Gubin, Pierre Chatelain, Henri Inion, Gilbert Rosseels
  • Patent number: 5403933
    Abstract: The invention relates to indolizine derivatives of general formula: ##STR1## in which: X denotes an --S or --SO.sub.2 -- group, each of R.sub.1 and R.sub.2, which are identical or different, denotes hydrogen, the methyl or ethyl radical or a halogen atom,R.sub.3 denotes hydrogen or a C.sub.1 -C.sub.4 alkyl radical,R.sub.4 denotes a precursor radical of a carboxyl group,R denotes a C.sub.1 -C.sub.6 alkyl, C.sub.3 -C.sub.6 cycloalkyl or phenyl radical, and their use as intermediates for the preparation of pharmaceutically active aminoalkoxybenzenesulphonylindolizine derivatives.
    Type: Grant
    Filed: June 23, 1993
    Date of Patent: April 4, 1995
    Assignee: Elf Sanofi
    Inventors: Jean Gubin, Michel Renard
  • Patent number: 5401855
    Abstract: The subject of the invention is 4-hydroxyphenylthio derivatives of general formula: ##STR1## in which: R.sub.1 and R.sub.2, which are identical or different, each represent hydrogen, a methyl or ethyl radical or a halogen atom,R represents a (C.sub.1 -C.sub.6) alkyl, (C.sub.3 -C.sub.6) cycloalkyl or phenyl radical,R.sub.3 represents hydrogen or a halogen atom, X represents --O--, --S-- or --NR.sub.4 -- in which R.sub.4 represents hydrogen or a (C.sub.1 -C.sub.4) alkyl group, useful as synthetic intermediates, especially for the preparation of aminoalkoxyphenylsulphonyl derivatives which are pharmaceutically active compounds.
    Type: Grant
    Filed: June 23, 1993
    Date of Patent: March 28, 1995
    Assignee: Elf Sanofi
    Inventors: Jean Gubin, Henri Inion
  • Patent number: 5340820
    Abstract: Cycloaminoalkoxyphenyl derivatives useful for the treatment of certain pathological syndromes of the cardiovascular system and ocular diseases of formula: in which:B represents a --S--, --SO-- or --SO.sub.2 -- group,R.sub.1 and R.sub.2, which are identical or different, each denotes hydrogen, a methyl or ethyl radical or a halogen such as chlorine, bromine or iodine,A denotes a straight or linear alkylene radical, having from 2 to 5 carbon atoms or a 2-hydroxypropylene radical in which the hydroxy is optionally substituted by a lower alkyl radical,Am denotes a group: ##STR1## in which: R.sub.3, R'.sub.3 and R".sub.3, which are identical or different, each denotes hydrogen, a halogen atom such as chlorine or bromine, a lower alkyl group or a lower alkoxy group, R.sub.4 denotes hydrogen or an alkyl radical,n and m, identical or different, each denotes 0, 1, 2 or 3,Cy represents a group of formula: ##STR2## pharmaceutically acceptable salts thereof.
    Type: Grant
    Filed: March 2, 1992
    Date of Patent: August 23, 1994
    Assignee: Elf Sanofi
    Inventors: Jean Gubin, Pierre Chatelain, Jean Lucchetti
  • Patent number: 5223510
    Abstract: The subject of the invention is benzofuran, benzothiophene, indole or indolizine compounds of general formula: ##STR1## in which: Het represents one of the groups: ##STR2## in which T,T' and T"represent particularly a group: ##STR3## R and R.sub.a, identical or different, represent X represent --O-- or --S--Y represents a radical ##STR4## These compounds are useful as medecines particularly for the treatment of pathological syndroms of the cardio-vascular system.
    Type: Grant
    Filed: July 26, 1991
    Date of Patent: June 29, 1993
    Assignee: Sanofi
    Inventors: Jean Gubin, Pierre Chatelain, Jean Lucchetti, Gilbert Rosseels, Henri Inion
  • Patent number: 5215988
    Abstract: The present invention relates to aminoalkoxyphenyl compounds of formula: ##STR1## in which: B is selected from --S--, --SO-- and --SO.sub.2 --,R.sub.1 and R.sub.2, which are identical or different, are selected from hydrogen, methyl, ethyl and halogen,A is selected from a straight- or branched-alkylene radical having from 2 to 5 carbon atoms, a 2-hydroxypropylene radical, and a 2-(lower alkoxy) propylene radical,R.sub.3 is selected from C.sub.1 -C.sub.8 alkyl and a radical of formula:--Alk--Arin which Alk is selected from a single bond and a linear- or branched-alkylene radical having from 1 to 5 carbon atoms; and Ar is selected from pyridyl, phenyl, 2-3-methyleneoxyphenyl, 3,4-methylenedioxyphenyl and phenyl substituted with one or more substituents, which may be identical or different, selected from halogen atoms, C.sub.1 -C.sub.8 alkyl groups and C.sub.1 -C.sub.8 alkoxy groups,R.sub.4 is selected from hydrogen and C.sub.1 -C.sub.8 alkyl, orR.sub.3 and R.sub.
    Type: Grant
    Filed: August 14, 1991
    Date of Patent: June 1, 1993
    Assignee: Sanofi
    Inventors: Jean Gubin, Pierre Chatelain, Marcel Descamps, Dino Nisato, Henri Inion, Jean Lucchetti, Jean-Marie Mahaux, Jean-Noel Vallat
  • Patent number: 5182291
    Abstract: Aminoalkoxyphenyl derivatives useful in the treatment of certain pathological syndromes of the cardiovascular system of formula: ##STR1## in which: B represents a --S--, --SO-- or --SO.sub.2 -- group,R.sub.1 and R.sub.2, which are identical or different, each denote hydrogen, a methyl or ethyl radical or a halogen,A denotes a straight- or branched-alkylene radical having from 2 to 5 carbon atoms or a 2-hydroxypropylene radical, in which the hydroxy is optionally substituted by a lower alkyl radical,R.sub.3 denotes an alkyl radical or a radical of formula:--Alk--R.sub.5in which Alk denotes a single bond or a linear- or branched-alkylene radical having from 1 to 5 carbon atoms and R.sub.5 denotes a pyridyl, phenyl, 2,3-methylenedioxyphenyl or 3,4-methylenedioxyphenyl radical or a phenyl group substituted with one or more substituents, which may be identical or different, selected from halogen atoms, lower alkyl groups or lower alkoxy groups,R.sub.4 denotes hydrogen or an alkyl radical orR.sub.3 and R.sub.
    Type: Grant
    Filed: June 17, 1991
    Date of Patent: January 26, 1993
    Assignee: Sanofi
    Inventors: Jean Gubin, Pierre Chatelain, Marcel Descamps, Dino Nisato, Henri Inion, Jean Lucchetti, Jean-Marie Mahaux, Jean-Noel Vallat
  • Patent number: 5147878
    Abstract: Aminoalkoxyphenyl derivatives useful in the treatment of certain pathological syndromes of the cardiovascular system of formula: ##STR1## in which: B represents a --S, --SO--, or --SO.sub.2 -- group,R.sub.1 and R.sub.2, which are identical or different, each denote hydrogen, a methyl or ethyl radical or a halogen such as chlorine, bromine or iodine, A denotes a straight- or branched-alkylene radical having from 2 to 5 carbon atoms or a 2-hydroxypropylene radical in which the hydroxy is optionally substituted by a lower alkyl radical, Ar represents a group ##STR2## R.sub.4 denotes hydrogen or an alkyl radical and Cy represents a cyclic group.
    Type: Grant
    Filed: April 19, 1990
    Date of Patent: September 15, 1992
    Assignee: Sanofi
    Inventors: Jean Gubin, Pierre Chatelain
  • Patent number: 5039700
    Abstract: Aminoalkoxyphenyl derivatives useful in the treatment of certain pathological syndromes of the cardiovascular system of formula: ##STR1## in which: B represents a --S--, --SO-- or --SO.sub.2 -- group,R.sub.1 and R.sub.2, which are identical or different, each denote hydrogen, a methyl or ethyl radical or a halogen,A denotes a straight- or branched-alkylene radical having from 2 to 5 carbon atoms or a 2-hydroxypropylene radical, in which the hydroxy is optionally substituted by a lower alkyl radical,R.sub.3 denotes an alkyl radical or a radical of formula:--Alk--R.sub.5in which Alk denotes a single bond or a linear- or branched-alkylene radical having from 1 to 5 carbon atoms and R.sub.5 denotes a phenyl, 2,3-methylenedioxyphenyl or 3,4-methylenedioxyphenyl radical or a phenyl group substituted with one or more substituents, which may be identical or different, selected from halogen atoms, lower alkyl groups or lower alkoxy groups,R.sub.
    Type: Grant
    Filed: March 19, 1990
    Date of Patent: August 13, 1991
    Assignee: Sanofi
    Inventors: Jean Gubin, Pierre Chatelain, Marcel Descamps, Dino Nisato, Henri Inion, Jean Lucchetti, Jean-Marie Mahaux, Jean-Noel Vallat
  • Patent number: 5028710
    Abstract: The object of the invention is a process for the preparation of derivatives of 3-sulfonyl indolizine of general formula: ##STR1## in which: R is selected from hydrogen, alkyl, cycloalkyl, substituted or unsubstituted phenyl,R.sub.1 is a protecting group for hydroxyl,R.sub.2 and R.sub.3, identical or different, is each selected from hydrogen, methyl or ethyl or halogen.These compounds are intermediates which can be used for the preparation of 3-aminoalkoxyphenylsulfonyl-indolizines, which are useful in the treatment of certain diseases of the cardiovascular system.
    Type: Grant
    Filed: June 8, 1990
    Date of Patent: July 2, 1991
    Assignee: Sanofi
    Inventors: Jean Gubin, Jean Lucchetti
  • Patent number: 5017579
    Abstract: The present invention is directed to the use of aminoalkoxyphenyl derivatives for reducing and/or controlling excessive intraocular pressure and compositions suitable for this case.
    Type: Grant
    Filed: February 6, 1989
    Date of Patent: May 21, 1991
    Assignee: Sanofi
    Inventors: Jean Gubin, Pierre Chatelain, Marcel Descamps, Dino Nisato, Henri Inion, Jean Lucchetti, Jean-Marie Mahaux, Jean-Noel Vallat, Gerard Le Fur
  • Patent number: 4994474
    Abstract: The present invention relates to aminoalkoxyphenyl derivatives of formula: ##STR1## and its N-oxide and pharmaceutically acceptable salts, in which: B represents a--S--, --SO-- or --SO.sub.2 -- group,R.sub.1 and R.sub.2, which are identical or different, each denote hydrogen, a methyl or ethyl radial or a halogen atom,A denotes a straight-or branched-alkylene radical having from 2 to 5 carbon atoms or a 2-hydroxypropylene radial in which the hydroxy is optionally substituted by a lower alkyl radical,R.sub.3 denotes an alkkyl radical or a radical of formula:--Alk--Arin which Alk denotes a single bond or a linear- or branched-alkylene radical having from 1 to 5 carbon atoms and Ar denotes a pyridyl, phenyl, 2,3-methylenedioxyphenyl or 3,4-methylenedioxyphenyl radical or a phenyl group substituted with one or more substituents, which may be identical or different, selected from halogen atoms, lower alkyl group or lower alkoxy groups,R.sub.
    Type: Grant
    Filed: February 6, 1989
    Date of Patent: February 19, 1991
    Assignee: Sanofi
    Inventors: Jean Gubin, Pierre Chatelain, Henri Inion
  • Patent number: 4957925
    Abstract: An aminoalkoxyphenyl compound of formula ##STR1## as well as a pharmaceutically acceptable salt of this compound.
    Type: Grant
    Filed: August 7, 1987
    Date of Patent: September 18, 1990
    Assignee: Sanofi
    Inventors: Jean Gubin, Pierre Chatelain, Marcel Descamps, Dino Nisato, Henri Inion, Jean Lucchetti, Jean-Marie Mahaux, Jean-Noel Vallat
  • Patent number: 4103012
    Abstract: Novel indolizine derivatives of the general formula: ##STR1## and pharmaceutically acceptable acid addition salts thereof, wherein R represents a branched- or straight-chain alkyl radical having from 1 to 5 carbon atoms, a phenyl radical, a mono-fluoro-, mono-chloro- or mono-bromo-phenyl, a di-fluoro-, di-chloro- or di-bromo-phenyl radical, a methoxy-phenyl radical or a methyl-phenyl radical optionally substituted on the aromatic moiety by an atom of fluorine, chlorine or bromine and R.sub.1 and R.sub.2, which are different, represent a hydrogen atom or a group of the formula: ##STR2## wherein R.sub.3 and R.sub.4 which are identical, each represent a hydrogen atom or a methyl radical, Am represents a dimethylamino, diethylamino, di-n-propylamino, di-n-butylamino, morpholino, piperidino, pyrrolidino or 4-methyl-piperazino group and n is an integer in the range of from 2 to 6 inclusive.
    Type: Grant
    Filed: February 16, 1977
    Date of Patent: July 25, 1978
    Assignee: Labaz
    Inventors: Jean Gubin, Gilbert Rosseels
  • Patent number: 4007204
    Abstract: Novel benzo[b]thiophene derivatives corresponding to the general formula: ##STR1## and the pharmaceutically acceptable acid addition salts thereof, wherein R represents a branched- or straight-chain alkyl group containing from 1 to 4 carbon atoms, or a cyclohexyl group, n is an integer in the range of from 3 to 6 inclusive, and Am represents a dimethylamino, diethylamino, di-n-propylamino or di-n-butylamino group.These derivatives are useful for the treatment of pathological conditions of the heart and in particular angina pectoris.
    Type: Grant
    Filed: April 21, 1975
    Date of Patent: February 8, 1977
    Assignee: Labaz
    Inventors: Marcel Descamps, Jean Gubin