Patents Assigned to Hoechst Marion Roussel, Inc.
  • Patent number: 5677457
    Abstract: The present invention relates to a novel process for the preparation of physostigmine carbamate derivatives and to pharmaceutically acceptable salts thereof. The present invention further relates to a novel process for the preparation of eseroline derivatives and to pharmaceutically acceptable salts thereof.
    Type: Grant
    Filed: December 19, 1996
    Date of Patent: October 14, 1997
    Assignee: Hoechst Marion Roussel, Inc.
    Inventors: Thomas B. K. Lee, Zhongli Gao, Barbara S. Rauckman
  • Patent number: 5677291
    Abstract: A method of lowering plasma cholesterol level in a patient with hypercholesterolemia, by administration of a compound of formula (1) ##STR1## wherein: R.sub.1, R.sub.2, R.sub.3 and R.sub.4 are each independently a C.sub.1 -C.sub.6 alkyl group;Z is a thio, oxy or methylene group;A is a C.sub.1 -C.sub.4 alkylene group; andR.sub.5 is a C.sub.1 -C.sub.6 alkyl or --(CH.sub.2).sub.n --(Ar)wherein n is an integer 0, 1, 2 or 3; and Ar is phenyl or napthyl unsubstituted or substituted with one to three substituents selected from the group consisting of hydroxy, methoxy, ethoxy, chloro, fluoro or C.sub.1 -C.sub.6 alkyl.
    Type: Grant
    Filed: January 2, 1996
    Date of Patent: October 14, 1997
    Assignee: Hoechst Marion Roussel, Inc.
    Inventors: Simon J. T. Mao, Mark T. Yates, Roger A. Parker
  • Patent number: 5672724
    Abstract: The present invention relates to a novel method for preparing ranitidine and pharmaceutically acceptable salts thereof.
    Type: Grant
    Filed: November 16, 1995
    Date of Patent: September 30, 1997
    Assignee: Hoechst Marion Roussel, Inc.
    Inventor: Robert M. Strom
  • Patent number: 5672602
    Abstract: The present invention relates to substituted piperazine derivatives (herein referred to as compounds or compounds of formula (1)) or stereoisomers, or pharmaceutically acceptable salts thereof and their use as tachykinin receptor antagonists. Such antagonists are useful in the treatment of tachykinin-mediated diseases and conditions disclosed herein including: asthma, cough, and bronchitis.
    Type: Grant
    Filed: April 30, 1996
    Date of Patent: September 30, 1997
    Assignee: Hoechst Marion Roussel, Inc.
    Inventors: Timothy P. Burkholder, Tieu-Binh Le, Elizabeth M. Kudlacz
  • Patent number: 5668154
    Abstract: Novel pyridiniminyl-1,2-benzisoxazoles and -benzisothiazoles, intermediates and processes for the preparation thereof, and methods of relieving memory dysfunction and treating depression utilizing the 1,2-benzisoxazoles and -benzisothiazoles and intermediates, or compositions thereof are disclosed.
    Type: Grant
    Filed: May 2, 1996
    Date of Patent: September 16, 1997
    Assignee: Hoechst Marion Roussel Inc.
    Inventors: David M. Fink, Barbara E. Kurys, Gregory M. Shutske, John D. Tomer, IV
  • Patent number: 5665880
    Abstract: This invention relates to a process for the preparation of a product of the formula ##STR1## wherein R is loweralkyl; R.sub.1, is hydrogen, loweralkyl, lowercycloalkyl, lowercycloalkylloweralkyl, lowerbicycloalkyl, aryl or arylloweralyl; R.sub.2 is lower alkyl, lowercycloalkyl, lowercycloalkylloweralkyl, lowerbicycloalkyl, aryl or arylloweralkyl; or R.sub.1 and R.sub.2 taken together with the nitrogen atom to which they are attached form a group of the formula (Ia) ##STR2## wherein Y is hydrogen or loweralkyl and Z is hydrogen, loweralkyl, halogen, loweralkoxy or hydroxy; X is loweralkyl, loweralkoxy, halogen or trifluoromethyl; and m is 0, 1 or 2; or a pharmaceutically acceptable salt thereof; which process comprises(a) contacting a compound of formula (II) as defined herein with fortified hydrogen bromide to afford a compound of formula (III) as defined herein; contacting the reaction mixture containing a compound of formula (III) with either (1) an isocyanate of formula R.sub.
    Type: Grant
    Filed: October 31, 1996
    Date of Patent: September 9, 1997
    Assignee: Hoechst Marion Roussel, Inc.
    Inventors: Thomas B. K. Lee, Zhongli Gao
  • Patent number: 5665756
    Abstract: Novel aminoalkyloximes of the formula ##STR1## wherein: a. X is hydrogen, loweralkyl, loweralkoxy, halogen, trifluoromethyl, or a group of the formula ##STR2## wherein Y is hydrogen or loweralkyl, and p is 1 or 2; b. A is a group of the formula ##STR3## c. R.sup.1 and R.sup.2 are independently hydrogen or lowerakyl; and d. m is 2 to 6 and n is 0, or 2 to 6, inclusive, serotonin reuptake inhibitors, useful for treating depression and obsessive compulsive disorders are described. Also described are precursors of and processes for the preparation of such aminoakyloximes.
    Type: Grant
    Filed: August 3, 1994
    Date of Patent: September 9, 1997
    Assignee: Hoechst Marion Roussel, Inc.
    Inventors: Gregory M. Shutske, Brian S. Freed, John D. Tomer, IV, R. Richard L. Hamer
  • Patent number: 5663190
    Abstract: There are described compounds of the formula ##STR1## where (a) X is O or S;(b) R is H, loweralkyl, ##STR2## where Y is O or S; R.sub.2 is alkyl, cycloalkyl, bicycloalkyl, cycloalkenyl, aryl, arylloweralkyl, heteroaryl or heteroarylloweralkyl, R.sub.3 is H or alkyl, or the group --NR.sub.2 R.sub.3 taken as a whole is 1-pyrrolidinyl, 1-piperldinyl, 4-morpholinyl, 4-thiomorpholinyl, 1-piperazinyl, 4-methyl-1-piperazinyl or 2-(2,6-dichlorophenylimino)-1-imidazolidinyl) and R.sub.4 is hydrogen, loweralkyl, arylloweralkyl, diarylloweralkyl, aryl or heteroaryl,(c) m is 1 or 2;(d) each Z is independently H, loweralkyl, halogen, nitro, --NH.sub.2, loweralkylcarbonylamino, arylcarbonylamino, loweralkoxycarbonylamino or loweralkylamino, and(e) R.sub.1 is H, loweralkyl, arylloweralkyl, heteroarylloweralkyl, cycloalkylmethyl or loweralkenylmethyl,with the proviso that when X is O, m is 1, Z is H and R.sub.1 is methyl, R is not --CONHCH.sub.3, --CONHC.sub.6 H.sub.
    Type: Grant
    Filed: October 16, 1992
    Date of Patent: September 2, 1997
    Assignee: Hoechst Marion Roussel, Inc.
    Inventors: Richard L. Hamer, Grover C. Helsley, Edward J. Glamkowski, Yulin Chiang
  • Patent number: 5663449
    Abstract: Heteroarylpiperidines, pyrrolidines, and piperazines are useful as antipsychotic and analgesic agents. the compounds are especially useful for treating psychoses by administering to a mammal a psychoses-treating effective amount of one of the compounds. Depot derivatives of the compounds are useful for providing long acting effects of the compounds. The compounds are also useful as analgesics by administering a pain-relieving effective amount of one of the compounds to a mammal.
    Type: Grant
    Filed: June 6, 1995
    Date of Patent: September 2, 1997
    Assignee: Hoechst Marion Roussel, Inc.
    Inventor: Joseph T. Strupczewski
  • Patent number: 5658911
    Abstract: Heteroarylpiperidines, pyrrolidines, and piperazines are useful as antipsychotic and analgesic agents. The compounds are especially useful for treating psychoses by administering to a mammal a psychoses-treating effective amount of one of the compounds. The compounds are also useful as analgesics by administering a pain-relieving effective amount of one of the compounds to a mammal.
    Type: Grant
    Filed: September 20, 1994
    Date of Patent: August 19, 1997
    Assignee: Hoechst Marion Roussel, Inc.
    Inventors: Joseph T. Strupczewski, Kenneth J. Bordeau, Edward J. Glamkowski, Yulin Chiang, Grover C. Helsley
  • Patent number: 5654319
    Abstract: Heteroarylpiperidines, pyrrolidines, and piperazines are useful as antipsychotic and analgesic agents. the compounds are especially useful for treating psychoses by administering to a mammal a psychoses-treating effective amount of one of the compounds. Depot derivatives of the compounds are useful for providing long acting effects of the compounds. The compounds are also useful as analgesics by administering a pain-relieving effective amount of one of the compounds to a mammal.
    Type: Grant
    Filed: June 6, 1995
    Date of Patent: August 5, 1997
    Assignee: Hoechst Marion Roussel, Inc.
    Inventors: Edward J. Glamkowski, Yulin Chiang
  • Patent number: 5652241
    Abstract: Heteroarylpiperidines, pyrrolidines, and piperazines are useful as antipsychotic and analgesic agents. the compounds are especially useful for treating psychoses by administering to a mammal a psychoses-treating effective amount of one of the compounds. Depot derivatives of the compounds are useful for providing long acting effects of the compounds. The compounds are also useful as analgesics by administering a pain-relieving effective amount of one of the compounds to a mammal.
    Type: Grant
    Filed: June 6, 1995
    Date of Patent: July 29, 1997
    Assignee: Hoechst Marion Roussel, Inc.
    Inventors: Edward J. Glamkowski, Yulin Chiang
  • Patent number: 5648363
    Abstract: Heteroarylpiperidines, pyrrolidines, and piperazines are useful as antipsychotic and analgesic agents, the compounds are especially useful for treating psychoses by administering to a mammal a psychoses-treating effective amount of one of the compounds. Depot derivatives of the compounds are useful for providing long acting effects of the compounds. The compounds are also useful as analgesics by administering a pain-relieving effective amount of one of the compounds to a mammal.
    Type: Grant
    Filed: June 6, 1995
    Date of Patent: July 15, 1997
    Assignee: Hoechst Marion Roussel, Inc.
    Inventors: Edward J. Glamkowski, Yulin Chiang
  • Patent number: 5648367
    Abstract: Novel aminoalkyloximes, precursors and processes for the preparation thereof, and methods of treating depression and obsessive compulsive disorders are described.
    Type: Grant
    Filed: June 1, 1995
    Date of Patent: July 15, 1997
    Assignee: Hoechst Marion Roussel, Inc.
    Inventors: Gregory M. Shutske, Brian S. Freed, John D. Tomer, IV, R. Richard L. Hamer
  • Patent number: 5646161
    Abstract: Heteroarylpiperidines, pyrrolidines, and piperazines are useful as antipsychotic and analgesic agents. The compounds are especially useful for treating psychoses by administering to a mammal a psychoses-treating effective amount of one of the compounds. Depot derivatives of the compounds are useful for providing long acting effects of the compounds. The compounds are also useful as analgesics by administering a pain-relieving effective amount of one of the compounds to a mammal.
    Type: Grant
    Filed: June 6, 1995
    Date of Patent: July 8, 1997
    Assignee: Hoechst-Marion-Roussel, Inc.
    Inventors: Edward J. Glamkowski, Yulin Chiang
  • Patent number: 5646175
    Abstract: Novel carbamoyloxylabdanes, intermediates and processes for the preparation thereof, and methods for reducing intraocular pressure and treating cardiac failure utilizing compounds and compositions thereof are disclosed.
    Type: Grant
    Filed: June 1, 1995
    Date of Patent: July 8, 1997
    Assignee: Hoechst Marion Roussel, Inc.
    Inventors: Raymond W. Kosley, Jr., Robert Joseph Cherill, Gerard O'Malley
  • Patent number: 5646300
    Abstract: There are disclosed neuroprotective compounds having the formula ##STR1## wherein the moieties are defined in the specification, and processes for making them.
    Type: Grant
    Filed: June 1, 1995
    Date of Patent: July 8, 1997
    Assignee: Hoechst Marion Roussel, Inc.
    Inventors: Raymond W. Kosley, Jr., Denise M. Flanagan, Lawrence L. Martin, Peter A. Nemoto
  • Patent number: 5643903
    Abstract: Novel 2-(4-piperidinyl)-1H-pyrido[4,3-b]indol-1-ones and related compounds, intermediates and processes for the preparation thereof, and methods of treating psychoses employing compounds and compositions thereof are disclosed.
    Type: Grant
    Filed: June 1, 1995
    Date of Patent: July 1, 1997
    Assignee: Hoechst Marion Roussel, Inc.
    Inventors: Lawrence L. Martin, Denise M. Flanagan, Joseph F. Payack
  • Patent number: 5641880
    Abstract: The present invention relates to novel processes for preparing intermediates of the formula I ##STR1## and to novel intermediates thereof which are useful in the preparation of inhibitors of enkephalinase and angiotensin converting enzyme.
    Type: Grant
    Filed: October 24, 1995
    Date of Patent: June 24, 1997
    Assignee: Hoechst Marion Roussel, Inc.
    Inventors: Gary A. Flynn, Thomas D. Bannister
  • Patent number: 5639764
    Abstract: Heteroarylpiperidines, pyrrolidines, and piperazines are useful as antipsychotic and analgesic agents, the compounds are especially useful for treating psychoses by administering to a mammal a psychoses-treating effective amount of one of the compounds. Depot derivatives of the compounds are useful for providing long acting effects of the compounds. The compounds are also useful as analgesics by administering a pain-relieving effective amount of one of the compounds to a mammal.
    Type: Grant
    Filed: June 6, 1995
    Date of Patent: June 17, 1997
    Assignee: Hoechst-Marion-Roussel, Inc.
    Inventors: Edward J. Glamkowski, Yulin Chiang