Patents by Inventor Gary P. Stack

Gary P. Stack 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: 5212170
    Abstract: The compounds ##STR1## in which Z is ##STR2## where R.sup.4 is --H or alkyl; q is one of the integers 0, 1 or 2; Y is H.sub.2 or O; or Z, taken with R.sup.1 forms ##STR3## R.sup.1 is hydrogen or alkyl or combined with Z as described above; R.sup.2 and R.sup.3 are, independently, hydrogen, alkyl, alkoxy, aralkoxy, alkanoyloxy, hydroxy, halo, amino, mono- or dialkylamino, carbamoyl or sulfonamido or R.sup.2 and R.sup.3, taken together are methylenedioxy, ethylenedioxy or propylenedioxy; m is one of the integers 1, 2 or 3; n is one of the integers 0 or 1; or a pharmaceutically acceptable salt thereof are antipsychotic, antidepressant and anxiolytic agents useful in relieving the symptoms of these disease states.
    Type: Grant
    Filed: May 13, 1992
    Date of Patent: May 18, 1993
    Assignee: American Home Products Corporation
    Inventor: Gary P. Stack
  • Patent number: 5189171
    Abstract: A compound of the formula: ##STR1## wherein the dotted line represents optional unsaturation; R.sup.1 and R.sup.2 are, independently, hydrogen, alkyl, alkoxy, aralkoxy, alkanoyloxy, hydroxy, halo, amino, mono- or dialkylamino, alkanamido or sulfonamido or R.sup.1 and R.sup.2 together are methylenedioxy, ethylenedioxy or propylenedioxy; R.sup.3 is hydrogen or alkyl; n is one of the integers 2, 3 or 4; X is O or NR.sup.4, in which R.sup.4 is hydrogen or alkyl; or a pharmaceutically acceptable salt thereof, are antipsychotic agents.
    Type: Grant
    Filed: January 17, 1992
    Date of Patent: February 23, 1993
    Assignee: American Home Products Corporation
    Inventors: Gary P. Stack, Terrance H. Andree, Noreen T. Scherer
  • Patent number: 5182292
    Abstract: The compounds ##STR1## in which Z is ##STR2## where R.sup.4 is --H or alkyl; q is one of the integers 0, 1 or 2; Y is H.sub.2 or O; or Z, taken with R.sup.1 forms ##STR3## R.sup.1 is hydrogen or alkyl or combined with Z as described above; R.sup.2 and R.sup.3 are, independently, hydrogen, alkyl, alkoxy, aralkoxy, alkanoyloxy, hydroxy, halo, amino, mono- or dialkylamino, carbamoyl or sulfonamido or R.sup.2 and R.sup.3, taken together are methylenedioxy, ethylenedioxy or propylenedioxy; m is one of the integers 1, 2 or 3; n is one of the integers 0 or 1; or a pharmaceutically acceptable salt thereof are antipsychotic, antidepressant and anxiolytic agents useful in relieving the symptoms of these disease states.
    Type: Grant
    Filed: June 21, 1991
    Date of Patent: January 26, 1993
    Assignee: American Home Products Corporation
    Inventor: Gary P. Stack
  • Patent number: 5166367
    Abstract: A compound of the formula: ##STR1## wherein the dotted line represents optional unsaturation; R.sup.1 and R.sup.2 are, independently, hydrogen, alkyl, alkoxy, aralkoxy, alkanoyloxy, hydroxy, halo, amino, mono- or dialkylamino, alkanamido or sulfonamido or R.sup.1 and R.sup.2 together are methylenedioxy, ethylenedioxy or propylenedioxy; R.sup.3 is hydrogen or alkyl; n is one of the integers 2,3 or 4; X is O or NR.sup.4, in which R.sup.4 is hydrogen or alkyl; or a pharmaceutically acceptable salt thereof, are antipsychotic agents.
    Type: Grant
    Filed: June 21, 1991
    Date of Patent: November 24, 1992
    Assignee: American Home Products Corporation
    Inventors: Gary P. Stack, Terrance H. Andree, Noreen T. Scherer
  • Patent number: 5134140
    Abstract: The antipsychotic, antidepressant, anxiolytic compounds of the formula: ##STR1## wherein Z is phenyl or phenyl substituted with alkyl, alkoxy, hydroxy, halogen or methylenedioxy or Z is one of the structures ##STR2## in which m is one of the integers 0, 1 or 2; R.sup.6 is hydrogen or alkyl; Y is H.sub.2 or O; or Z, taken with R.sup.1, forms one of the structures ##STR3## R.sup.1 is hydrogen or alkyl; R.sup.2 is hydrogen alkyl or phenyl; R.sup.3 is hydrogen or alkyl; R.sup.4 and R.sup.5 are independently hydrogen, alkyl, alkoxy, aralkoxy, alkanoyloxy, hydroxy, halo, amino, mono- or dialkylamino, alkanamido of 2 to 6 carbon atoms or sulfonamido, or R.sup.4 and R.sup.5 together form methylenedioxy, ethylenedioxy, or propylenedioxy; n is one of the integers 2, 3 or 4; or a pharmaceutically acceptable salt thereof.
    Type: Grant
    Filed: June 21, 1991
    Date of Patent: July 28, 1992
    Assignee: American Home Products Corporation
    Inventor: Gary P. Stack
  • Patent number: 5134141
    Abstract: A method for relieving depression with decahydro-3-[4-[4-(2-pyrimidinyl)-1-piperazinyl]butyl]-1,5-methano-6,7,9-m etheno-2H-pentaleno[1,2-d]azepine-2,4(3H)-dione, or a pharmaceutically acceptable salt thereof.
    Type: Grant
    Filed: September 6, 1991
    Date of Patent: July 28, 1992
    Assignee: American Home Products Corporation
    Inventors: John A. Moyer, Gary P. Stack
  • Patent number: 5126367
    Abstract: A compound of the formula: ##STR1## wherein the dotted line represents optional unsaturation; R.sup.1 is hydrogen, alkyl, alkoxy, alkanoyloxy, hydroxy, halo, nitro, amino, alkylamino, dialkylamino and alkanoylamino; X is O, S or CH.sub.2 ; n is an integer 2, 3 or 4; R.sup.2 is hydrogen or lower alkyl; R.sup.3 is hydrogen, lower alkyl, phenyl or benzyl; R.sup.4 is one of the structures ##STR2## in which m is one of the integers 0, 1 or 2; R.sup.5 is H or CH.sub.3 ; Z is H.sub.2 or O; Y is OCO, NHCO, NHCONH, CONH, and in addition, when R.sup.4 is II, Y may be NHSO.sub.2 CH.sub.2 ; or a pharmaceutically acceptable salt thereof are useful as antipsychotic/anxiolytic agents.
    Type: Grant
    Filed: June 21, 1991
    Date of Patent: June 30, 1992
    Assignee: American Home Products Corporation
    Inventors: Gary P. Stack, Magid A. Abou-Gharbia, Wayne E. Childers, Jr.
  • Patent number: 5126366
    Abstract: The compounds: ##STR1## wherein R.sup.1 and R.sup.2 are, independently, hydrogen, alkyl, alkoxy, aralkoxy, alkanoyloxy, hydroxy, halo, amino, mono- or dialkylamino, alkanamido, or sulfonamido, or R.sup.1 and R.sup.2 together form methylenedioxy, ethylenedioxy, or propylenedioxy; R.sup.3 is hydrogen or alkyl; n is one of the integers 2, 3 or 4; R.sup.4 and R.sup.5 are, independently, hydrogen, alkyl, cycloalkyl, alkanoyl, aroyl, alkylsulfonyl or arylsulfonyl, or R.sup.4 and R.sup.5 together form a 3-7 membered polymethylene ring; or a pharmaceutically acceptable salt thereof, are antipsychotic, antidepressant and anxiolytic agents useful in the treatment of multi-CNS disease states.
    Type: Grant
    Filed: June 21, 1991
    Date of Patent: June 30, 1992
    Assignee: American Home Products Corporation
    Inventors: Gary P. Stack, Magid A. Abou-Gharbia, Terrance H. Andree, Noreen T. Scherer
  • Patent number: 4968792
    Abstract: Disclosed herein are novel benzisothiazole derivatives having pharmacological activity, to a process for preparing them, to pharmaceutical compositions containing them, and to their use in the treatment of a variety of central nervous system disorders.
    Type: Grant
    Filed: September 25, 1989
    Date of Patent: November 6, 1990
    Assignee: American Home Products Corporation
    Inventors: Gary P. Stack, Magid A. Abou-Gharbia, Thomas D. Golobish
  • Patent number: 4957913
    Abstract: Hypertension in the mammal is controlable by administration of a compound of the formula: ##STR1## wherein R is ##STR2## in which X is methylene, ethylene or ethylidene and Q is alkylene, alkylidene, or Q is a ##STR3## in which the dotted line represents optional unsaturation; n is one of the integers 2,3 or 4;Ar is phenyl or phenyl substituted with halo. trifluoromethyl or alkoxy, or Ar is 2-pyrimidinyl or halopyrimidin-2-yl, 2-pyrazinyl or halo-pyrazin-2-yl, 2-pyridinyl, cyanopyridin-2-yl or halopyridin-2-yl;or a pharmaceutically acceptable salt thereof.
    Type: Grant
    Filed: November 22, 1989
    Date of Patent: September 18, 1990
    Assignee: American Home Products Corp.
    Inventors: Magid A. Abou-Gharbia, Gary P. Stack, Rodney W. Lappe
  • Patent number: 4910302
    Abstract: Compounds of the formula: ##STR1## in which Z is ##STR2## wherein X is alkylene, ethanylene or alkylidene; Q is alkylene, alkylidene, ##STR3## or Q, taken together with the carbon atoms to which it is attached forms a benzene ring or a substituted benzene ring, in which said substituents are --OH, --OCH.sub.3, alkyl, halo, --CF.sub.3, --NH.sub.2, monoalkylamino, dialkylamino or alkanoylamino; R.sup.1 is hydrogen or alkyl; R.sup.2 and R.sup.3 are, independently, hydrogen or alkyl or taken together with the carbon atoms to which they are attached, they form a cycloalkane or cycloalkene ring; m is one of the integers 2-5; R.sup.4 is hydrogen, hydroxy, cyano, alkyl, alkoxy, halo, amino, alkylamino, phenylamino, tolylamino, xylylamino, mesitylamino, methoxyphenylamino, or halophenylamino; and the dotted lines represent optional unsaturation; or a pharmaceutically acceptable salt thereof.
    Type: Grant
    Filed: December 19, 1988
    Date of Patent: March 20, 1990
    Assignee: American Home Products Corporation
    Inventors: Magid A. Abou-Gharbia, Gary P. Stack
  • Patent number: 4845221
    Abstract: The compounds ##STR1## in which R.sub.1 is hydroxy, alkoxy of 1 to 6 carbon atoms, amino, alkylamino of 1 to 6 carbon atoms, dialkylamino where each alkyl substituent contains 1 to 6 carbon atoms, or alkanoylamino of 2 to 6 carbon atoms;R.sub.2 is 3-trifluoromethylphenyl, 3-halophenyl, 2-pyrimidinyl, halopyrimidin-2-yl, 2-pyrazinyl or halopyrazin-2-yl; andn is one of the integers 1 or 2;or a pharmaceutically acceptable salt thereof, are selective serotonergic agents useful in the treatment of depression and/or anxiety, as well as related sexual dysfunctions and appetite disorders.
    Type: Grant
    Filed: April 15, 1988
    Date of Patent: July 4, 1989
    Assignee: American Home Products Corporation
    Inventors: Gary P. Stack, Edward J. Podlesny
  • Patent number: 4826844
    Abstract: Compounds of the formula: ##STR1## in which m is one of the integers 1, 2 or 3; n is one of the integers 0, 1 or 2; o is one of the integers 0, 1 or 2; R.sub.1 and R.sub.2 are, independently, hydrogen, hydroxyl, alkyl, alkoxy, alkanoyloxy, trifluoromethyl, halo, or, when taken together, 3,4-methylenedioxy; R.sub.3 is alkyl, ##STR2## where R.sub.4 and R.sub.5 are, independently, hydrogen, hydroxyl, alkyl, alkoxy, alkanoyloxy, halo or trifluoromethyl; and R.sub.6 is hydrogen or halo; or a pharmaceutically acceptable salt thereof.
    Type: Grant
    Filed: September 30, 1987
    Date of Patent: May 2, 1989
    Assignee: American Home Products Corporation
    Inventors: G. E. M. Husbands, Gary P. Stack
  • Patent number: 4824999
    Abstract: The compound which is 2,3,3a,3b,4,5,6,6a,7,7a-decahydro-4,6,7-metheno-1H-cyclopenta[a]pentalene- 1,3-dicarboxylic acid is useful as an intermediate for production of the corresponding anhydride from which several of the disclosed antipsychotic/anxiolytic agents are prepared.
    Type: Grant
    Filed: September 23, 1988
    Date of Patent: April 25, 1989
    Assignee: American Home Products Corporation
    Inventor: Gary P. Stack
  • Patent number: 4797488
    Abstract: Substituted imides of the following formula are antipsychotic, anxiolytic agents with very little extrapyramidal side effects: ##STR1## in which X is --O--, --S--, --SO--, --SO.sub.2 --, --CR.sub.3 R.sub.4 -- where R.sub.3 and R.sub.4, independently, are hydrogen, alkyl of 1 to 4 carbon atoms or, taken together with the carbon atom to which they are attached, R.sub.3 and R.sub.4 form a cycloalkyl group of of 3 to 5 carbon atoms; n is one of the integers 2, 3, 4 or 5; R is phenyl, halophenyl, trifluoromethylphenyl, alkoxyphenyl in which the alkoxy substituent contains 1 to 3 carbon atoms, 2-pyrimidinyl, halopyrimidin-2-yl, 2-pyrazinyl, halopyrazin-2-yl, 2-pyridinyl, cyanopyridin-2-yl, halopyridin-2-yl, quinolyl, or haloquinolyl; R.sub.1 and R.sub.2, taken together, are alkylene of 3 to 5 carbon atoms or alkenylene of 3 to 5 carbon atoms, or taken with the carbon atoms to which they are attached, R.sub.1 and R.sub.2 complete a benzene ring, or a group of the formula: ##STR2## where Y is --CH.sub.2 --, --CH.sub.
    Type: Grant
    Filed: April 3, 1987
    Date of Patent: January 10, 1989
    Assignee: American Home Products Corporation
    Inventors: Gary P. Stack, Thomas D. Golobish, Magid A. Abou-Gharbia
  • Patent number: 4797489
    Abstract: The compounds ##STR1## wherein R.sup.1 is 1-adamantyl, 3-methyl-1-adamantyl, 9-fluorenyl or 1-fluorenyl;n is 0 or 1;m is 1, 2, 3, 4 or 5; andX is ##STR2## where R.sup.2 is phenyl, benzyl, pyridinyl, pyrimidinyl, pyrazinyl or substituted phenyl or benzyl in which the substituent is alkyl of 1 to 6 carbon atoms, alkoxy of 1 to 6 carbon atoms, halo, cyano, nitro or trifluoromethyl, ##STR3## where R.sup.3 is hydrogen, alkyl of 1 to 6 carbon atoms, alkoxy of 1 to 6 carbon atoms, halo, cyano or nitro;or pharmaceutically acceptable salts thereof are useful antidepressant and/or anxiolytic agents.
    Type: Grant
    Filed: December 2, 1987
    Date of Patent: January 10, 1989
    Assignee: American Home Products Corp.
    Inventors: Magid A. Abou-Gharbia, Gary P. Stack, John P. Yardley
  • Patent number: 4788290
    Abstract: The compounds ##STR1## in which X and Y are, independently, --O-- or --S--;R.sup.1 and R.sup.2 are, independently, halo, trifluoromethyl, cyano, hydroxy, amino, alkylamino, dialkylamino, alkoxy, alkyl or alkanoylamino; andn is 1 to 4;or a pharmaceutically acceptable salt thereof, are selective serotonergic agents useful in the treatment of depression and/or anxiety, as well as related sexual dysfunctions and appetite disorders.
    Type: Grant
    Filed: December 11, 1987
    Date of Patent: November 29, 1988
    Assignee: American Home Products Corporation
    Inventor: Gary P. Stack
  • Patent number: 4748240
    Abstract: Substituted imides of the following formula are antipsychotic, anxiolytic agents with very little extrapyramidal side effects: ##STR1## in which X is --O--, --S--, --SO--, --SO.sub.2 --, --CR.sub.3 R.sub.4 --where R.sub.3 and R.sub.4, independently, are hydrogen, alkyl of 1 to 4 carbon atoms or, taken together with the carbon atom to which they are attached, R.sub.3 and R.sub.4 form a cycloalkyl group of 3 to 5 carbon atoms; Y is alkylene of 1 to 3 carbon atoms or alkenylene of 2 to 3 carbon atoms; n is one of the integers 0 to 1; m is one of the integers 2, 3, 4 or 5; R is phenyl, halophenyl, trifluoromethylphenyl, alkoxyphenyl in which the alkoxy substituent contains 1 to 3 carbon atoms, 2-pyrimidinyl, halopyrimidin-2-yl, 2-pyrazinyl, halopyrazin-2-yl, 2-pyridinyl, cyanopyridin-2-yl, halopyridin-2-yl, quinolyl, or haloquinolyl; or a pharmaceutically acceptable salt thereof.
    Type: Grant
    Filed: April 3, 1987
    Date of Patent: May 31, 1988
    Assignee: American Home Products Corporation
    Inventors: Gary P. Stack, Magid A. Abou-Gharbia, Edward J. Podlesny
  • Patent number: 4732983
    Abstract: Substituted imides of the following formulae are antipsychotic, anxiolytic agents with very little extrapyramidal side effects: ##STR1## in which n is one of the integers 2, 3, 4 or 5; R is phenyl, halophenyl, trifluoromethylphenyl, alkoxyphenyl in which the alkoxy substituent contains 1 to 3 carbon atoms, 2-pyrimidinyl halopyrimidin-2-yl, 2-pyrazinyl, halopyrazin-2-yl, 2-pyridinyl, halopyridin-2-yl, cyanopyridin-2-yl, quinolyl, or haloquinolyl; and the dotted lines represent optional unsaturation; or a pharmaceutically acceptable salt thereof.
    Type: Grant
    Filed: April 3, 1987
    Date of Patent: March 22, 1988
    Assignee: American Home Products Corporation
    Inventors: Gary P. Stack, Guy A. Schiehser, Magid A. Abou-Gharbia
  • Patent number: 4675403
    Abstract: There are disclosed compounds of the formula ##STR1## wherein Y represents ##STR2## R and R.sup.1 are each, independently, hydrogen, lower alkyl, phenyl or naphthyl, with that proviso that when R and R.sup.1 are both phenyl, R.sup.2 is other than phenyl;Z is ##STR3## R.sup.2 is 2-pyrimidinyl, halopyrimidin-2-yl, 2-pyridinyl, halopyridin-2-yl, cyanopyridin-2-yl, phenyl or phenyl substituted with lower alkyl, halo or trifluoromethyl;R.sup.3 is phenyl or phenyl substituted with halo or trifluoromethyl;m is 2-7;n is 2-5; andand the pharmaceutically acceptable salts thereof and their use as antipsychotic/anxiolytic agents having a low liability for extrapyramidal side effects.
    Type: Grant
    Filed: October 16, 1985
    Date of Patent: June 23, 1987
    Assignee: American Home Products Corporation
    Inventors: Magid A. Abou-Gharbia, Gary P. Stack