Patents Assigned to A. Christiaens, Societe Anonyme
  • Patent number: 4244950
    Abstract: This invention relates to new derivatives of 4-amino-3-sulfonamido-pyridine having diuretic properties.The new derivatives of pyridine may be represented by the following general formula: ##STR1## in which R.sub.1 represents hydrogen or an alkyl, cycloalkyl, carbamoyl or sulfonamido radical;R.sub.2 represents an alkyl, halogenoalkyl, cycloalkyl, alkenyl, alkynyl, hydroxyalkyl, alkoxyalkyl, phenyl (possibly substituted), phenylalkyl, diphenylmethyl, isobornyl, furfuryl, tetrahydrofurfuryl, dialkylaminoalkyl or heterocyclic radical; or R.sub.1 and R.sub.2 form together with the nitrogen atom a saturated heterocyclic radical; andX represents an alkoxy radical, an heterocyclic amino radical, or a secondary or tertiary amino radical having its first substituent selected from hydrogen and the alkyl and alkenyl groups, and its second substituent selected from the alkyl, alkenyl, alkynyl, hydroxyalkyl, diphenylmethyl, isorbornyl, furfuryl, tetrahydrofurfuryl, phenylalkyl and heterocyclic groups.
    Type: Grant
    Filed: January 24, 1979
    Date of Patent: January 13, 1981
    Assignee: A. Christiaens Societe Anonyme
    Inventors: Rene R. De Ridder, Andre H. Georges, Arlette Ghys, Charles L. Lapiere, Jacques E. Delarge, Leopold N. Thunus
  • Patent number: 4076833
    Abstract: This invention relates to new derivatives of 1,3-benzodioxole, namely 2-[N-(R.sub.1, R.sub.2 aminocarbamoyl)]-phenylaminomethyl-1,3-benzodioxole, in which R.sub.1 is hydrogen or a lower alkyl group, R.sub.2 is a lower alkyl group and R.sub.1 and R.sub.2 may also form with the attached nitrogen atom a nitrogenous heterocyclic ring.The new derivatives of 1,3-benzodioxole are valuable therapeutic agents for the treatment of heart arrhythmy.
    Type: Grant
    Filed: January 3, 1977
    Date of Patent: February 28, 1978
    Assignee: A. Christiaens Societe Anonyme
    Inventors: Pierre M. Vanhoof, Pierre M. Clarebout
  • Patent number: 4055650
    Abstract: This invention relates to new derivatives of pyridine having hypo-uricemic or hypolipemic properties.The new derivatives of pyridine may be represented by the following general formula: ##STR1## in which X represents an oxy or thio group, R.sub.1 represents hydrogen, a group of the formula R.sub.3 NHCO (II), wherein R.sub.3 represents a C.sub.1 -C.sub.4 -alkyl, cycloalkyl or possibly substituted phenyl group, or a group of the formula R.sub.4 --CO (III) in which R.sub.4 represents a C.sub.1- C.sub.4 -alkyl group or a possibly substituted phenyl group, and R', R" and R'" represent each a possible substituent selected from the group comprising the halogens, the trifluoromethyl and the C.sub.1- C.sub.4 alkyl groups.
    Type: Grant
    Filed: June 9, 1976
    Date of Patent: October 25, 1977
    Assignee: A. Christiaens Societe Anonyme
    Inventors: Jacques E. Delarge, Charles L. Lapiere, Andre H. Georges
  • Patent number: 4042693
    Abstract: This invention relates to new derivatives of 1,2,4-thiadiazine having anti-inflammatory properties.The new derivatives of 1,2,4-thiadiazine may be represented by the following general formula: ##STR1## in which R.sub.1 and Z each represent an unsubstituted or substituted phenyl group.This invention relates also to the N-oxides of the compounds of formula I, as well as to the acid and base addition salts of said compounds.
    Type: Grant
    Filed: June 9, 1976
    Date of Patent: August 16, 1977
    Assignee: A. Christiaens Societe Anonyme
    Inventors: Jacques E. Delarge, Charles L. Lapiere, Andre H. Georges
  • Patent number: 4018929
    Abstract: This invention relates to new derivatives of pyridine having anti-inflammatory and diuretic properties.The new derivatives of pyridine may be represented by the following general formula: ##STR1## in which X represents an amino, C.sub.1 -C.sub.4 -alkylamino, oxy or thio group, R.sub.1 represents a group of the formula R.sub.3 NHCA (II), wherein A represents oxygen or sulfur, and R.sub.3 represents a C.sub.1 -C.sub.4 -alkyl, alkenyl, cycloalkyl, phenyl (which may be substituted) or R.sub.4 CO (III) group, R.sub.4 representing a phenyl group (which may be substituted), R.sub.2 represents hydrogen or a C.sub.1 -C.sub.4 alkyl group and Z represents a C.sub.1 -C.sub.4 -alkyl, methylfuryl, pyridyl or phenyl group (which may be substituted).This invention relates also to the N-oxides of the compounds of formula I, as well as to the acid and base addition salts of said compounds.
    Type: Grant
    Filed: April 16, 1975
    Date of Patent: April 19, 1977
    Assignee: A. Christiaens Societe Anonyme
    Inventors: Jacques E. Delarge, Charles L. Lapiere, Andre H. Georges
  • Patent number: 4016284
    Abstract: This invention relates to new derivatives of 1,3-benzodioxole, namely 2-[N-(R.sub.1, R.sub.2 amino-alkyl or alkanoyl or carbamoyl)]-phenylaminomethyl-1,3-benzodioxole, in which R.sub.1 is hydrogen or a lower alkyl group, R.sub.2 is a lower alkyl group and R.sub.1 and R.sub.2 may also form with the attached nitrogen atom a nitrogenous heterocyclic ring.The new derivatives of 1,3-benzodioxole are valuable therapeutic agents for the treatment of heart arrhythmy.
    Type: Grant
    Filed: December 17, 1974
    Date of Patent: April 5, 1977
    Assignee: A. Christiaens Societe Anonyme
    Inventors: Pierre M. Vanhoof, Pierre M. Clarebout
  • Patent number: 4002629
    Abstract: This invention relates to compounds of the formula: ##STR1## wherein R.sub.1 in the 3- or 5-position is a carboxamido group whereas R.sub.2 in the 2-position is a 1-methyl-piperazinyl group.Said compounds may be used as anti-inflammatory and cardiovascular agents.
    Type: Grant
    Filed: September 26, 1975
    Date of Patent: January 11, 1977
    Assignee: A. Christiaens Societe Anonyme
    Inventors: Jacques E. Delarge, Leopold N. Thunus, Charles-Leon Lapiere, Andre H. Georges
  • Patent number: 3991057
    Abstract: This invention relates to compounds of the formula: ##SPC1##Wherein R.sub.1 in the 3- or 5-position is preferably a substituted sulfonamido or a carboxamido group whereas R.sub.2 in the 2-, 4- or 6-position is preferably an alkyl- or hydroxyalkyl-piperazinyl group.Said compounds may be used as anti-inflammatory and cardiovascular agents.
    Type: Grant
    Filed: April 11, 1974
    Date of Patent: November 9, 1976
    Assignee: A. Christiaens Societe Anonyme
    Inventors: Jacques E. Delarge, Leopold N. Thunus, Charles L. Lapiere, Andre H. Georges
  • Patent number: 3984464
    Abstract: This invention relates to new derivatives of 2-amino-(1,2,3,4-tetrahydronaphthalene), namely 2-[N-phenyl-N-(R.sub.1,R.sub.2 -aminoalkyl or alkanoyl)]-amino-(1,2,3,4-tetrahydronaphthalenes), in which R.sub.1 and R.sub.2 represent a lower alkyl group or form together with the attached nitrogen atom a nitrogenous heterocyclic ring, with the proviso that R.sub.1 may also represent hydrogen, as well as to the acid addition salts of these new derivatives.These new derivatives are active for the treatment of heart arrhythmy.
    Type: Grant
    Filed: December 6, 1974
    Date of Patent: October 5, 1976
    Assignee: A. Christiaens Societe Anonyme
    Inventors: Pierre M. Vanhoof, Pierre M. Clarebout
  • Patent number: 3981872
    Abstract: This invention relates to new derivatives of 2-amino-(1,2,3,4-tetrahydronaphthalene), namely 2-[N-phenyl-N-(R.sub.1,R.sub.2 -aminoalkyl or alkanoyl)]-amino-(1,2,3,4-tetrahydronaphthalenes), in which R.sub.1 and R.sub.2 represent a lower alkyl group or form together with the attached nitrogen atom a nitrogenous heterocyclic ring, with the proviso that R.sub.1 may also represent hydrogen, as well as to the acid addition salts of these new derivatives.These new derivatives are active for the treatment of heart arrhythmy.
    Type: Grant
    Filed: December 6, 1974
    Date of Patent: September 21, 1976
    Assignee: A. Christiaens Societe Anonyme
    Inventors: Pierre M. Vanhoof, Pierre M. Clarebout
  • Patent number: 3980652
    Abstract: This invention relates to compounds of the formula ##SPC1##Wherein R.sub.1 in the 3- or 5-position is a cyano group whereas R.sub.2 and in the 2-position is a N-methyl-piperazinyl group.Said compounds may be used as anti-inflammatory and cardiovascular agents.
    Type: Grant
    Filed: September 26, 1975
    Date of Patent: September 14, 1976
    Assignee: A. Christiaens Societe Anonyme
    Inventors: Jacques E. Delarge, Leopold N. Thunus, Charles Leon Lapiere, Andre H. Georges
  • Patent number: 3970650
    Abstract: New 2-R-amino-tetraline-1-ones, in which R represents a pyridyl or phenyl radical which may be substituted by a methoxy group are prepared by reacting 2-bromo-tetralone with an amine of the formula R-NH.sub.2.These new 2-R-amino-tetraline-1-ones are valuable intermediates for the preparation of pharmaceutically active compounds.
    Type: Grant
    Filed: September 16, 1975
    Date of Patent: July 20, 1976
    Assignee: A. Christiaens Societe Anonyme
    Inventor: Pierre M. Vanhoof
  • Patent number: 3943172
    Abstract: This invention relates to new derivatives of 2-amino-(1,2,3,4-tetrahydronaphthalene), namely 2-[N-phenyl-N-(R.sub.1,R.sub.2 -aminoalkyl or alkanoyl)]-amino-(1,2,3,4-tetrahydronaphthalenes), in which R.sub.1 and R.sub.2 represent a lower alkyl group or form together with the attached nitrogen atom a nitrogenous heterocyclic ring, with the proviso that R.sub.1 may also represent hydrogen, as well as to the acid addition salts of these new derivatives.These new derivatives are active for the treatment of heart arrhythmy.
    Type: Grant
    Filed: October 5, 1973
    Date of Patent: March 9, 1976
    Assignee: A. Christiaens, Societe Anonyme
    Inventors: Pierre M. Vanhoof, Pierre M. Clarebout
  • Patent number: RE30633
    Abstract: This invention relates to new derivatives of pyridine having anti-inflammatory and diuretic properties.The new derivatives of pyridine may be represented by the following general formula: ##STR1## in which X represents an amino, C.sub.1 -C.sub.4 -alkylamino, oxy or thio group, R.sub.1 represents a group of the formula R.sub.3 NHCA (II), wherein A represents oxygen or sulfur, and R.sub.3 represents a C.sub.1 -C.sub.4 -alkyl, alkenyl, cycloalkyl, phenyl (which may be substituted) or R.sub.4 CO (III) group, R.sub.4 representing a phenyl group (which may be substituted), R.sub.2 represents hydrogen or a C.sub.1 -C.sub.4 alkyl group and Z represents a C.sub.1 -C.sub.4 -alkyl, methylfuryl, pyridyl or phenyl group (which may be substituted).This invention relates also to the N-oxides of the compounds of formula I, as well as to the acid and base addition salts of said compounds.
    Type: Grant
    Filed: February 7, 1980
    Date of Patent: June 2, 1981
    Assignee: A. Christiaens Societe Anonyme
    Inventors: Jacques E. Delarge, Charles L. Lapiere, Andre H. Georges