Patents by Inventor Guy A. Schiehser

Guy A. Schiehser 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: 5100883
    Abstract: A compound of the structure ##STR1## wherein R.sup.1 and R.sup.2 are each, independently, hydrogen or ##STR2## R.sup.3 is a mono-, di-, poly-, or per-fluorinated alkyl group with the proviso that R.sup.1 and R.sup.2 are both not hydrogen, which by virtue of its immunosuppressive activity is useful in treating transplantation rejection, host vs. graft disease, autoimmune diseases and diseases of inflammation; by virtue of its antitumor activity is useful in treating solid tumors; and by virtue of its antifungal activity is useful in treating fungal infections.
    Type: Grant
    Filed: April 8, 1991
    Date of Patent: March 31, 1992
    Assignee: American Home Products Corporation
    Inventor: Guy A. Schiehser
  • Patent number: 5070207
    Abstract: There is disclosed a method for the treatment of immunoinflammatory conditions, such as allergy, anaphylaxis, asthma, psoriasis, inflammatory bowel disease and inflammation in mammals which comprises administering to a mammal so afflicted an effective amount of a compound having the formula: ##STR1## wherein Z is a group having the formula ##STR2## R.sup.1 and R.sup.2 are each, independently, hydrogen or lower alkyl; R.sup.3 and R.sup.4 are each, independently, hydrogen, alkyl of 1-20 carbon atoms, halo, halo lower alkyl, halo lower alkoxy, lower alkoxy, halo lower alkylsulfonyl, nitro or trifluoromethyl, where at least one of R.sup.3 and R.sup.4 is other than hydrogen;R.sup.5 is hydrogen, lower alkyl or halo;A is --CH.sub.2 --, --O-- or --S--;m is 0-10;n is 1-8;X is hydrogen, fluoro, lower alkyl or aralkyl of 7-12 carbon atoms;or a pharmacologically acceptable salt thereof.
    Type: Grant
    Filed: April 26, 1990
    Date of Patent: December 3, 1991
    Assignee: American Home Products Corporation
    Inventors: Guy A. Schiehser, Gregory F. Von Burg
  • Patent number: 5053508
    Abstract: There are disclosed compounds of the formula ##STR1## wherein R.sup.1 and R.sup.2 taken together represent ##STR2## R.sup.3 and R.sup.4 are hydrogen; R.sup.5 is 2-pyridinyl, 2-pyrazinyl, 2-pyrimidinyl, 3-pyridazinyl or any of the foregoing R.sup.5 moieties substituted by lower alkyl, lower alkoxy, halo lower alkyl, cyano, nitro or halo;X, Y and Z are, independently, N, S, O, NR.sup.6, SO, SO.sub.2, CR.sup.6 or CH.sub.2 ;A is lower alkylene, O or S;R.sup.6 is hydrogen, lower alkyl, aryl, aralkyl;m is 3-7;and the pharmaceutically acceptable salts thereof, and their use as antipsychotic/-anxiolytic agents having a low liability for extrapyramidal side effects.
    Type: Grant
    Filed: March 9, 1990
    Date of Patent: October 1, 1991
    Assignee: American Home Products Corporation
    Inventors: Guy A. Schiehser, Magid A. Abou-Gharbia, Charles Lin
  • Patent number: 4942234
    Abstract: There are disclosed compounds of the formula ##STR1## wherein R.sup.1 and R.sup.2 are each, independently, hydrogen, lower alkyl, aryl or halo, or R.sup.1 and R.sup.2 taken together represent ##STR2## where the dotted lines represent optional double bonds; R.sup.3, R.sup.4 and R.sup.5 are each, independently, hydrogen, lower alkyl, aryl or halo;R.sup.6 is 2-pyridinyl, 2-pyrazinyl, 2-quinolyl, 2-quinoxalinyl or any of the foregoing R.sup.6 moieties substituted by lower alkyl, lower alkoxy, trifluoromethyl, cyano, nitro or halo; or ##STR3## wherein R.sup.7 is phenyl, 2-pyridinyl, 2-pyrimidinyl, 3-pyridazinyl or 2-pyrazinyl or any of the foregoing R.sup.7 moieties substituted by lower alkyl, lower alkoxy, halo, cyano, trifluoromethyl or nitro;Z is ##STR4## X is lower alkylene, vinylene, O or NH; m is 1-5;n is 0-4;p is 1-4;q is 1-2;and the pharmaceutically acceptable salts thereof, and their use as antipsychotic/anxiolytic agents having a low liability for extrapyramidal side effects.
    Type: Grant
    Filed: February 28, 1989
    Date of Patent: July 17, 1990
    Assignee: American Home Products Corporation
    Inventors: Magid A. Abou-Gharbia, Guy A. Schiehser, Usha R. Patel
  • Patent number: 4933365
    Abstract: There is disclosed a method for the treatment of immunoinflammatory conditions, such as allergy, anaphylaxis, asthma and inflammation in mammals which comprises administering to a mammal so afflicated an effective amount of a compound having the formula: ##STR1## wherein R.sup.1 and R.sup.2 are each, independently, hydrogen, hydroxy, lower alkyl, lower alkoxy, haloloweralkyl, haloloweralkyl sulfonyl, halo or nitro;R.sup.3 is hydrogen, lower alkyl, or aryl of 7-12 carbon atoms;X is ##STR2## A is --CH.sub.2 --, --O-- or --S--; m is 0-8;n is 0-7, with the proviso that m+n.ltoreq.8;or a pharmacologically acceptable salt thereof.
    Type: Grant
    Filed: January 25, 1989
    Date of Patent: June 12, 1990
    Assignee: American Home Products Corporation
    Inventors: Lisa A. Marshall, Kurt E. Steiner, Guy A. Schiehser
  • Patent number: 4833249
    Abstract: There are disclosed compounds of the formula ##STR1## wherein R.sup.1 and R.sup.2 are each, independently, hydrogen, lower alkyl, aryl or halo, or R.sup.1 and R.sup.2 taken together represent ##STR2## where the dotted lines represent optional double bonds; R.sup.3, R.sup.4 and R.sup.5 are each, independently, hydrogen, lower alkyl, aryl or halo;R.sup.6 is 2-pyridinyl, 2-pyrazinyl, 2-quinolyl, 2-quinoxalinyl or any of the foregoing R.sup.6 moieties substituted by lower alkyl, lower alkoxy, trifluoromethyl, cyano, nitro or halo; orR.sup.6 is ##STR3## wherein R.sup.7 is phenyl, 2-pyridinyl, 2-pyrimidinyl, 3-pyridazinyl or 2-pyrazinyl or any of the foregoing R.sup.7 moieties substituted by lower alkyl, lower alkoxy, halo, cyano, trifluoromethyl or nitro;Z is --(CH.sub.2).sub.
    Type: Grant
    Filed: March 5, 1987
    Date of Patent: May 23, 1989
    Assignee: American Home Products Corporation
    Inventors: Magid A. Abou-Gharbia, Guy A. Schiehser, Usha R. Patel
  • Patent number: 4788306
    Abstract: There are disclosed compounds of the formula ##STR1## wherein R.sup.1 and R.sup.2 are each, independently, hydrogen, hydroxy, lower alkyl, lower alkoxy, haloloweralkyl, haloloweralkyl sulfonyl, halo or nitro;R.sup.3 is hydrogen, lower alkyl, or aryl of 7-12 carbon atoms; ##STR2## A is --CH.sub.2 --, --O-- or --S--; m is 1-8;n is 0-7, with the proviso that m+n.ltoreq.8;or a pharmacologically acceptable salt thereof, and their use as fatty acid oxidation inhibitors possessing a significantly reduced potential for impairment of normal cardiac function, and having particular utility in the treatment of glucose and fatty acid metabolism disorders, such as diabetes.
    Type: Grant
    Filed: August 21, 1987
    Date of Patent: November 29, 1988
    Assignee: American Home Products Corporation
    Inventors: Guy A. Schiehser, Donald P. Strike
  • Patent number: 4788304
    Abstract: There is disclosed a method for the treatment of immunoinflammatory conditions, such as allergy, anaphylaxis, asthma and inflammation in mammals which comprises administering to a mammal so afflicted an effective amount of a compound having the formula: ##STR1## wherein R.sup.1 and R.sup.2 are each, independently, hydrogen, hydroxy, lower alkyl, lower alkoxy, haloloweralkyl, haloloweralkyl sulfony., halo or nitro;R.sup.3 is hydrogen, lower alkyl, or aryl of 7-12 carbon atoms;X is ##STR2## A is --CH.sub.2 --,--O-- or --S--; m is 0-8;n is 0-7, with the proviso that m+n.ltoreq.
    Type: Grant
    Filed: December 7, 1987
    Date of Patent: November 29, 1988
    Assignee: American Home Products Corporation
    Inventors: Lisa A. Marshall, Kurt E. Steiner, Guy A. Schiehser
  • Patent number: 4743692
    Abstract: A compound of the formula: ##STR1## in which A is a 3,4-; 3,2-; or 2,3-fused thieno- moiety or a benzo- moiety;X is alkylene of 2 to 5 carbon atoms;R.sup.1 is hydrogen, bromo or methyl;R.sup.2 is methoxy when R.sup.1 is hydrogen, methyl when R.sup.1 is bromo, and bromo when R.sup.1 is methyl;R.sup.3 is hydrogen or alkyl of 1 to 6 carbon atoms;R.sup.4 is hydrogen or alkyl of 1 to 6 carbon atoms;R.sup.3 and R.sup.4, taken together, are ethylene when X is ethylene;R.sup.5 is hydrogen when A is thieno, and when A is benzo, R.sup.5 is hydrogen, alkyl of 1 to 6 carbon atoms, halo or alkoxy of 1 to 6 carbon atoms;R.sup.6 is hydrogen when A is thieno, and when A is benzo, R.sup.
    Type: Grant
    Filed: September 30, 1986
    Date of Patent: May 10, 1988
    Assignee: American Home Products Corporation
    Inventors: Daniel M. Teller, Donald P. Strike, Arthur A. Santilli, Guy A. Schiehser
  • 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: 4732984
    Abstract: There are disclosed compounds of the formula ##STR1## wherein R.sup.1 and R.sup.2 are each, independently, hydrogen, lower alkyl, aryl or halo, or R.sup.1 and R.sup.2 taken together represent --CH.sub.2 --, --CH.sub.2 CH.sub.2 --, --O--, --NH--, ##STR2## where the dotted lines represent optional double bonds; R.sup.3, R.sup.4, R.sup.5 and R.sup.6 are each, independently, hydrogen, lower alkyl, aryl or halo;R.sup.7 is 2-pyridinyl, 2-pyrimidinyl, 2-pyrazinyl, 3-pyridazinyl or phenyl or any of the foregoing R.sup.7 moieties substituted by lower alkyl, trifluoromethyl, cyano, nitro or halo, with the proviso that when R.sup.1 and R.sup.2 taken together represent ##STR3## then R.sup.7 is other than 2-pyridinyl, 2-pyrimidinyl or substituted pyrimidin-2-yl;Z is --(CH.sub.2).sub.
    Type: Grant
    Filed: August 5, 1986
    Date of Patent: March 22, 1988
    Assignee: American Home Products Corporation
    Inventors: Magid A. Abou-Gharbia, Guy A. Schiehser, Scott J. Childress
  • Patent number: 4709027
    Abstract: There are disclosed compounds of the formula ##STR1## wherein R.sup.1 and R.sup.2 are each, independently, hydrogen or lower alkyl, or R.sup.1 and R.sup.2 taken together represent ##STR2## A is O or NR.sup.3 ; B is --(CH.sub.2).sub.n --, ##STR3## R.sup.3 is hydrogen or lower alkyl; R.sup.4 is hydrogen, lower alkyl, aryl of 6-12 carbon atoms or halo;R.sup.5 is unsubstituted or substituted phenyl, 2-pyridinyl, 2-pyrimidinyl, 2-pyrazinyl or 3-pyridazinyl, where the substituents are selected from the group lower alkyl, lower alkoxy, halo, cyano, nitro and trifluoromethyl;Z is --(CH.sub.2).sub.n -- or vinylene;X is lower alkylene, vinylene or O;m is 2-5;n is 1-3;o is 1-5;and the pharmaceutically acceptable salts thereof and their use as antipsychotic/anxiolytic agents having a low liability for extrapyramidal side effects.
    Type: Grant
    Filed: June 25, 1986
    Date of Patent: November 24, 1987
    Assignee: American Home Products Corporation
    Inventors: Magid A. Abou-Gharbia, Guy A. Schiehser
  • Patent number: 4622402
    Abstract: A process for preparing certain thieno-fused heterocyclic compounds having H.sub.2 -receptor antagonist and antisecretory activity, which involves the reaction of a mercaptan, obtained by reduction of a thienoisothiazole amino alkyl disulfide, with a 5-substituted-2-furanylmethanol; and said thienoisothiazole amino alkyl disulfide intermediates.
    Type: Grant
    Filed: August 20, 1985
    Date of Patent: November 11, 1986
    Assignee: American Home Products Corporation
    Inventors: Guy A. Schiehser, Donald P. Strike
  • Patent number: 4595757
    Abstract: Compounds of the formula ##STR1## wherein R.sup.1 is ##STR2## wherein B is a moiety having the formula ##STR3## R is H, mono- or dihalo, amino, nitro, cyano, hydroxy, trifuoromethyl, mercapto, lower alkyl, lower alkoxy, alkanoyl, lowercycloalkyl, carboxy, alkoxycarbonyl, mono- or di-lower alkyl substituted amino, alkanoylamino, lower alkyl thio, loweralkylsulfonyl, sulfamoyl, lower alkyl substituted sulfamoyl, phenyl or phenyl substituted with halo, lower alkyl, lower alkoxy, trifluoromethyl, hydroxy, amino, cyano or nitro;X is SO.sub.2, SO, S or C.dbd.O; andR.sup.2 is phenyl or 1,3-benzodioxol-5-yl;and the pharmacologically acceptable salts thereof, which are (H.sup.+ +K.sup.+)ATPase inhibitors exhibiting a cytoprotective action, are useful in the treatment of conditions where there is hypersecretion of gastric acid, such as gastric and peptic ulceration, as well as in conditions such as stress ulceration.
    Type: Grant
    Filed: December 13, 1984
    Date of Patent: June 17, 1986
    Assignee: American Home Products Corporation
    Inventors: Guy A. Schiehser, Susan T. Nielsen, Donald P. Strike
  • Patent number: 4587345
    Abstract: A process for preparing certain thieno-fused heterocyclic compounds having H.sub.2 -receptor antagonist and antisecretory activity, which comprises reacting a suitable thienoisothiazole derivative with an appropriate (furanylmethylthio)ethanamine derivative to yield an intermediate, which is subjected to cyclization to yield the desired final product.
    Type: Grant
    Filed: September 28, 1984
    Date of Patent: May 6, 1986
    Assignee: American Home Products Corporation
    Inventors: Guy A. Schiehser, Donald P. Strike
  • Patent number: 4490527
    Abstract: Compounds of the formula: ##STR1## wherein B is a moiety having the formula: ##STR2## R is mono- or dihalo, amino, nitro, cyano, hydroxy, trifluoromethyl, mercapto, lower alkyl, lower alkoxy, alkanoyl, cycloalkyl of 4-7 carbon atoms, carboxy, alkoxycarbonyl, mono- or di-lower alkyl substituted amino, alkanoylamino, lower alkyl thio, lower alkylsulfonyl, sulfamoyl, lower alkyl substituted sulfamoyl, phenyl or phenyl substituted with halo, lower alkyl, lower alkoxy, trifluoromethyl, hydroxy, amino, cyano or nitro.X is SO.sub.2, SO, S or C.dbd.O; andA is amine selected from the group ##STR3## , wherein R.sup.1 is hydrogen or R.sup.2 CH.sub.2 wherein R.sup.2 is mono- or diloweralkylamino, mono- or di-N-lower alkylaminoloweralkyl, (2-furyl)methylamino, benzylamino, lowercycloalkylamino, 1-pyrrolidinyl, 1-piperidinyl, 1-hexahydroazepinyl, 1-octahydroazocinyl, 3-thiazolidinyl, 4-morpholinyl or 4-thiomorpholinyl; R.sup.3 is hydrogen or (1-piperidinyl)methyl with the proviso that when R.sup.
    Type: Grant
    Filed: February 22, 1983
    Date of Patent: December 25, 1984
    Assignee: American Home Products Corporation
    Inventors: Guy A. Schiehser, Donald P. Strike
  • Patent number: 4461901
    Abstract: Compounds of the formula: ##STR1## wherein X is SO.sub.2, SO or S; andA is an amine selected from the group: ##STR2## wherein R is hydrogen, (lower)alkyl, (lower)alkoxy or halo; n is 2-4; andthe pharmacologically acceptable salts thereof are disclosed.
    Type: Grant
    Filed: March 4, 1983
    Date of Patent: July 24, 1984
    Assignee: American Home Products Corporation
    Inventors: John R. Potoski, Guy A. Schiehser, Donald P. Strike