Patents Assigned to Hoechst-Roussel Pharmaceutical Incorporated
  • Patent number: 5023344
    Abstract: Novel 12-halogenated forskolin derivatives, intermediates and processes for the preparation thereof, and methods for reducing intraocular pressure utilizing compounds or compositions thereof are disclosed.
    Type: Grant
    Filed: May 14, 1990
    Date of Patent: June 11, 1991
    Assignee: Hoechst-Roussel Pharmaceuticals Incorporated
    Inventor: Gregory M. Shutske
  • Patent number: 5013741
    Abstract: There are disclosed compounds having the formula ##STR1## wherein n is 1-4; R.sub.1 is hydrogen, alkyl, aryl, arylloweralkyl, naphthyl, furyl, thienyl, pyridinyl or pyrrolyl; X is hydrogen, loweralkyl, cycloalkyl, loweralkoxy, halogen, hydroxy nitro, trifluoromethyl, formyl, loweralkylcarbonyl, arylcarbonyl, --SH, loweralkylthio, --NHCOR.sub.2 or --NR.sub.3 R.sub.4 where R.sub.2 is hydrogen or loweralkyl, and R.sub.3 and R.sub.4 are independently hydrogen, loweralkyl or cycloalkyl; stereo, optical and geometrical isomers thereof, and pharmaceutically acceptable acid addition salts thereof, which are useful for enhancing memory and pharmaceutical compositions comprising an effective memory enhancing amount of such a compound.
    Type: Grant
    Filed: July 25, 1988
    Date of Patent: May 7, 1991
    Assignee: Hoechst-Roussel Pharmaceuticals Incorporated
    Inventor: Gregory M. Shutske
  • Patent number: 4994472
    Abstract: This invention relates to 1-(pyridinylamino)-2-pyrrolidinones of the formula ##STR1## wherein R.sub.1, R.sub.2 and R.sub.3 are independently hydrogen, loweralkyl, aryl, arylloweralkyl or heteroarylloweralkyl selected from the group consisting of pyridinylmethyl, pyridinylethyl, thienylmethyl, thienylethyl or R.sub.2 and R.sub.3 together form a cycloalkane ring of 4 to 6 carbons or a spiro-fused aryl or heteroaryl substituted cycloalkane; X is hydrogen, halogen, hydroxy, loweralkyl, loweralkoxy, nitro, amino or trifluoromethyl; m is an integer of 1 to 3, the pharmaceutically acceptable acid addition salts thereof and where appropriate the geometrical, optical and stereoisomers and racemic mixtures thereof. The compounds of this invention display utility as analgesics, for enhancing memory and for the treatment of Alzheimer's disease.
    Type: Grant
    Filed: August 2, 1989
    Date of Patent: February 19, 1991
    Assignee: Hoechst-Roussel Pharmaceuticals Incorporated
    Inventors: Richard C. Effland, David G. Wettlaufer
  • Patent number: 4914204
    Abstract: 4-Pentafluorophenoxypiperidines and methods for alleviating pain and treating depression, convulsions, and hypertension utilizing compounds or compositions thereof are disclosed.
    Type: Grant
    Filed: March 14, 1988
    Date of Patent: April 3, 1990
    Assignee: Hoechst-Roussel Pharmaceuticals Incorporated
    Inventors: Grover C. Helsley, Larry Davis, Gordon E. Olsen
  • Patent number: 4578394
    Abstract: This invention relates to 1,4 dihydropyridines having the following formula ##STR1## wherein R is loweralkyl or Arloweralkyl; R.sub.1, R.sub.2 and R.sub.3 may be the same or different and are hydrogen, loweralkyl or halogen; X is hydrogen, NH.sub.2, ##STR2## and R.sub.4 is hydrogen or loweralkyl. The compounds of this invention display utility in the treatment of Alzheimer's disease and related cognitive disorders characterized by centrally deficient cholinergic function.
    Type: Grant
    Filed: December 10, 1984
    Date of Patent: March 25, 1986
    Assignee: Hoechst-Roussel Pharmaceuticals Incorporated
    Inventors: Richard C. Allen, Richard C. Effland, Joseph T. Klein
  • Patent number: 4576960
    Abstract: This invention relates to 6,11-dihydro-11-oxo-dibenz[b, e]oxepin derivatives of the formula ##STR1## where Y is hydrogen, alkyl, alkoxy, halogen and trifluoromethyl, n is 0, 1, 2 or 3; R.sub.9 is hydrogen and alkyl; R is ##STR2## where Hal is a halogen; ##STR3## where R.sub.10 is hydrogen, alkyl and benzyl of the formula ##STR4## where Z is hydrogen, alkyl, alkoxy, halogen, trifluoromethyl, nitro, and amino; where n is 0, 1, 2 or 3; p is 1 or 2; q is 0, 1 or 2; R.sub.1 to R.sub.7 are the same or different and are hydrogen and alkyl; and R.sub.8 is hydrogen, alkyl and phenyl; and R.sub.9 is hydrogen and alkyl, and where appropriate pharmaceutically acceptable acid or base addition salts thereof.
    Type: Grant
    Filed: April 4, 1983
    Date of Patent: March 18, 1986
    Assignee: Hoechst Roussel Pharmaceuticals Incorporated
    Inventors: Lawrence L. Martin, Linda L. Setescak
  • Patent number: 4551474
    Abstract: This invention relates to 4-aryloxy-1,2,3,4-tetrahydroisoquinolines of the formula ##STR1## where Y is hydrogen and alkoxy; X is hydrogen, cyano, benzoyl, trifluoromethyl, phenyl, halogen, alkyl alkoxy and nitro; R is hydrogen and alkyl; R.sub.1 is hydrogen, alkyl, aralkyl, ##STR2## and CO.sub.2 R.sub.4 where R.sub.1 is aryl and alkyl; R.sub.2 and R.sub.3 are the same or differnt and are hydrogen and alkyl or R.sub.2 and R.sub.3 are fused together to form a pyrrolidino or a piperidino ring substituent; and m is an integer of 1 or 2; n is an integer of 2 or 3; and a pharmaceutically acceptable acid addition salt thereof.
    Type: Grant
    Filed: August 9, 1984
    Date of Patent: November 5, 1985
    Assignee: Hoechst-Roussel Pharmaceuticals Incorporated
    Inventors: Richard C. Effland, Larry Davis, Joseph T. Klein
  • Patent number: 4544753
    Abstract: This invention relates to substituted 8-phenylisoxazolo[4,3-e][1,4]diazepin-5-ones of the formula ##STR1## wherein R is lower alkyl; R.sub.1 is hydrogen, amino alkyl, propargyl and lower alkyl; X is oxygen and sulfur; and Y is halogen, trifluoromethyl, lower alkyl, lower alkoxy and hydrogen. The compounds of this invention display useful anxiolytic and anticonvulsant activities.
    Type: Grant
    Filed: January 14, 1985
    Date of Patent: October 1, 1985
    Assignee: Hoechst-Roussel Pharmaceuticals Incorporated
    Inventors: John J. Tegeler, Craig J. Diamond
  • Patent number: 4521537
    Abstract: Spiro[2H-1,4-benzodioxepin-3(5H)4'-piperidine and -3'-pyrrolidine] compounds of the formula ##STR1## where the substituents are as defined herein, are useful in the treatment of hypertension in mammals. Such compounds, their use as antihypertensive agents, pharmaceutical compositions containing the compounds, intermediates and processes for preparing the compounds are provided.
    Type: Grant
    Filed: April 2, 1984
    Date of Patent: June 4, 1985
    Assignee: Hoechst-Roussel Pharmaceuticals Incorporated
    Inventors: Raymond W. Kosley, Jr., Robert J. Cherill
  • Patent number: 4472580
    Abstract: Spiro[2H-1,4-benzodioxepin-3(5H)4'-piperidine and -3-pyrrolidine] compounds of the formula ##STR1## where the substituents are as defined herein, are useful in the treatment of hypertension in mammals. Such compounds, their use as antihypertensive agents, pharmaceutical compositions containing the compounds, intermediates and processes for preparing the compounds are provided.
    Type: Grant
    Filed: July 25, 1983
    Date of Patent: September 18, 1984
    Assignee: Hoechst-Roussel Pharmaceuticals Incorporated
    Inventors: Raymond W. Kosley, Jr., Robert J. Cherill
  • Patent number: 4472414
    Abstract: There are described spiro[indolo[1,7-ab][1,5]benzodiazepine-2,4'-piperidines]of the formula ##STR1## wherein p is 1 or 0, R.sub.1 is hydrogen or methyl and R is hydrogen or --CO(CH.sub.2).sub.n NR.sub.2 R.sub.3, R.sub.2 and R.sub.3 being each hydrogen or methyl but at least one of the two being methyl, and n being 1 or 2, which are useful as analgesic agents; intermediate compounds therefor; and methods for synthesizing the foregoing compounds.
    Type: Grant
    Filed: May 18, 1983
    Date of Patent: September 18, 1984
    Assignee: Hoechst-Roussel Pharmaceuticals Incorporated
    Inventors: Edward J. Glamkowski, James M. Fortunato, Richard C. Allen
  • Patent number: 4469889
    Abstract: Novel 4-phenyl-1,3-benzodiazepines, novel intermediates thereof, and methods of preparing same are described. These benzodiazepines are useful as antidepressants, analgetics and anticonvulsants.
    Type: Grant
    Filed: October 12, 1983
    Date of Patent: September 4, 1984
    Assignee: Hoechst-Roussel Pharmaceuticals, Incorporated
    Inventors: Lawrence L. Martin, Manfred Worm, Charles A. Crichlow
  • Patent number: 4462933
    Abstract: Novel 4-phenyl-1,3-benzodiazepines, novel intermediates thereof, and methods of preparing same are described. These benzodiazepines are useful as antidepressants, analgetics and anticonvulsants.
    Type: Grant
    Filed: September 8, 1981
    Date of Patent: July 31, 1984
    Assignee: Hoechst-Roussel Pharmaceuticals, Incorporated
    Inventors: Lawrence L. Martin, Manfred Worm, Charles A. Crichlow
  • Patent number: 4459230
    Abstract: Novel 4-phenyl-1,3-benzodiazepines, novel intermediates thereof, and methods of preparing same are described. These benzodiazepines are useful as antidepressants, analgetics and anticonvulsants.
    Type: Grant
    Filed: September 8, 1981
    Date of Patent: July 10, 1984
    Assignee: Hoechst-Roussel Pharmaceuticals, Incorporated
    Inventors: Lawrence L. Martin, Manfred Worm, Charles A. Crichlow
  • Patent number: 4459231
    Abstract: Novel 4-phenyl-1,3-benzodiazepines, novel intermediates thereof, and methods of preparing same are described. These benzodiazepines are useful as antidepressants, analgetics and anticonvulsants.
    Type: Grant
    Filed: September 8, 1981
    Date of Patent: July 10, 1984
    Assignee: Hoechst-Roussel Pharmaceuticals, Incorporated
    Inventors: Lawrence L. Martin, Manfred Worm, Charles A. Crichlow
  • Patent number: 4452802
    Abstract: There are described antihypertensive spiro[benzofuran-azalkanes] of the formula ##STR1## where X is hydrogen or halogen (F, Cl, Br, or I); m and n are each 0, 1 or 2 but m plus n is 1 or 2; and R is ##STR2## k being 2 or 3 and Y being hydrogen or halogen, which are useful as antihypertensive agents and methods for synthesizing the same.
    Type: Grant
    Filed: August 25, 1983
    Date of Patent: June 5, 1984
    Assignee: Hoechst-Roussel Pharmaceuticals Incorporated
    Inventors: Raymond W. Kosley, Jr., Robert J. Cherill
  • Patent number: 4327103
    Abstract: A neuroleptic agent is disclosed. The agent is 3-{3-[4-(4-fluorobenzoyl)piperidyl]propyl}-2-methylindole or an acid addition salt thereof prepared from a pharmaceutically acceptable acid.
    Type: Grant
    Filed: July 7, 1980
    Date of Patent: April 27, 1982
    Assignee: Hoechst-Roussel Pharmaceuticals Incorporated
    Inventors: Grover C. Helsley, Joseph T. Strupczewski, Beth A. Gardner
  • Patent number: 4312876
    Abstract: Novel 4-aryloxy- and 4-arylthio-3-phenylpiperidines and related compounds, physiologically acceptable salts thereof and intermediates therefor possessing analgesic, antidepressant properties, and a process for the preparation of such compounds, derivatives and intermediates are described.
    Type: Grant
    Filed: February 19, 1980
    Date of Patent: January 26, 1982
    Assignee: Hoechst-Roussel Pharmaceuticals Incorporated
    Inventors: Solomon S. Klioze, Frederick J. Ehrgott
  • Patent number: 4309424
    Abstract: Novel 4-phenyl-1,3-benzodiazepines, novel intermediates thereof, and methods of preparing same are described. These benzodiazepines are useful as antidepressants, analgetics and anticonvulsants.
    Type: Grant
    Filed: November 5, 1979
    Date of Patent: January 5, 1982
    Assignee: Hoechst-Roussel Pharmaceuticals Incorporated
    Inventors: Lawrence L. Martin, Manfred Worm, Charles A. Crichlow
  • Patent number: 4301292
    Abstract: 1-[2-(4,5-dihydro-4,4-dialkyl-2-oxazolyl)phenyl]-4-(dialkylamino)cyclohexan ol as an intermedate for Spiro cyclohexane-1,1'(3'H)-isobenzofuran)s, which in turn are useful as antidepressants, tranquilizers, analgesics, and anticonvulsants.
    Type: Grant
    Filed: November 28, 1980
    Date of Patent: November 17, 1981
    Assignee: Hoechst-Roussel Pharmaceuticals, Incorporated
    Inventors: Lawrence L. Martin, Manfred Worm