Patents Represented by Attorney George Tarnowski
  • Patent number: 4684657
    Abstract: Compounds having the formula ##STR1## wherein X.sub.1 and X.sub.2 are independently hydrogen, halogen, trifluoromethyl, lower alkyl or lower alkoxy; X.sub.3 is halogen or trifluoromethyl; one of A and E is CH and the other is CH or N and their pharmaceutically acceptable acid addition salts are useful as pharmaceuticals, in particular as anti-hypertensive agents. Novel 1-[4-(amino or nitro)benzenesulphonyl]-4-benzoylpiperazines are also disclosed as intermediate compounds.
    Type: Grant
    Filed: September 30, 1985
    Date of Patent: August 4, 1987
    Assignee: John Wyeth & Brother Limited
    Inventor: John T. A. Boyle
  • Patent number: 4681940
    Abstract: There are disclosed compounds of the formula ##STR1## wherein X is N or CR.sup.2Y is O, S, NR.sup.2, CHR.sup.2 or C(R.sup.2).sub.2 when n=0, or N or CR.sup.2 when n=1;p is 0-3;R.sup.1 is ##STR2## R.sup.2 is hydrogen or lower alkyl; R.sup.3 is hydrogen, lower alkyl, phenyl, thienyl, furyl, pyridyl, ##STR3## --C(R.sup.4).sub.3 or --(CH.sub.2).sub.p COOR.sup.2 ; R.sup.4 is halo;Z is O or S;and the pharmaceutically acceptable salts thereof, and their use in the treatment of luekotriene-mediated naso-bronchial obstructive airpassageway conditions, such as allergic rhinitis, allergic bronchial asthma and the like, in psoriasis, ulcerative colitis, rheumatoid arthritis as well as in other immediate hypersensitivity reactions.
    Type: Grant
    Filed: November 19, 1985
    Date of Patent: July 21, 1987
    Assignee: American Home Products Corporation
    Inventors: John H. Musser, Reinhold H. W. Bender
  • Patent number: 4678794
    Abstract: Compounds having the formula I ##STR1## and their pharamaceutically acceptable acid addition salts, wherein R.sub.1 is hydrogen or lower alkyl, A is a direct bond or lower alkylene and R.sub.2 is pyridinyl or pyridinyl monosubstituted by lower alkyl, are useful as anti-ulcer agents and, in the case where A is a direct bond, as anti-secretory agents.
    Type: Grant
    Filed: November 5, 1985
    Date of Patent: July 7, 1987
    Assignee: John Wyeth & Brother Limited
    Inventor: Roger Crossley
  • Patent number: 4675405
    Abstract: There are disclosed compounds of the formula ##STR1## wherein X is ##STR2## W is --O--, --S--, ##STR3## when n=0, or W is ##STR4## when n=1, and the dotted line represents an optional double bond; Y is --CH.sub.2 O--, --OCH.sub.2 --, --CH.sub.2 S--, --SCH.sub.2 --, ##STR5## n is 0-1; R.sup.1 is hydrogen, loweralkyl, loweralkoxy, lower alkanoyl, halo, trifluoromethyl, cyano or nitro;R.sup.2 is hydrogen or loweralkyl;R.sup.3 is loweralkyl, perfluoroloweralkyl or perfluorophenyl, with the proviso that when X=N, W=O or S and n=0, R.sup.3 is other than loweralkyl;and the pharmaceutically acceptable salts thereof, and their use in the treatment of leukotriene-mediated naso-bronchial obstructive airpassageway conditions, such as allergic rhinitis, allergic bronchial asthma and the like, and in antithrombotic therapy.
    Type: Grant
    Filed: January 27, 1986
    Date of Patent: June 23, 1987
    Assignee: American Home Products Corporation
    Inventors: John H. Musser, Dennis M. Kubrak, Anthony F. Kreft, III
  • 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
  • Patent number: 4666900
    Abstract: This invention relates to compounds of formula ##STR1## or a pharmaceutically acceptable salt thereof wherein R.sup.1, R.sup.2, R.sup.3, R.sup.4 independently represent hydrogen or a substituent selected from lower alkyl, lower alkoxy, halogen, alkanoyl of 2 to 7 carbon atoms, lower alkoxycarbonyl, halolower alkyl, hydroxy, cyano, amino, mono- or diloweralkyl amino, C.sub.2 -C.sub.7 alkanoylamino, carboxy, carboxylower alkyl, hydroxyloweralkyl, carbamoyl, carbamoyloxy, lower alkyl- or aryl-carbonyl, (lower alkoxy)-lower alkoxy, phenyl or a phenyl group itself optionally substituted by a substituent as hereinbefore defined excepting phenyl, or an adjacent pair of R.sup.1-4 together with the carbon atoms to which they are attached complete a six membered unsaturated carbocyclic or nitrogen containing heterocyclic ring, optionally substituted by one or more of the substituents listed above for R.sup.1 ; m represents 0 or 1; and R.sup.5, R.sup.6, R.sup.7 and R.sup.
    Type: Grant
    Filed: March 12, 1986
    Date of Patent: May 19, 1987
    Assignee: John Wyeth & Brother Ltd.
    Inventors: Roger Crossley, Peter J. Meade
  • Patent number: 4661596
    Abstract: There are disclosed compounds of the formula ##STR1## wherein X is --Ch.sub.2 CH.sub.2 --, --CH=CH--, ##STR2## Z is CR or N, when n=1; or Z is O, S, or NR, when n=0; R is hydrogen or loweralkyl;n is 0 or 1;R.sup.1 is hydroxy, amino, loweralkyl sulfonamido, perfluoro loweralkyl sulfonamido or OR;R.sup.2 is hydrogen or loweralkyl;R.sup.3 is hydrogen or loweralkyl; orR.sup.2 and R.sup.3 taken together form a benzene ring; andthe dotted line represents an optional double bond;and the pharmaceutically acceptable salts thereof, and their use in the treatment of leukotriene-mediated naso-bronchial obstructive airpassageway conditions, such as allergic rhinitis, allergic bronchial asthma and the like.
    Type: Grant
    Filed: October 3, 1985
    Date of Patent: April 28, 1987
    Assignee: American Home Products Corporation
    Inventors: Anthony F. Kreft, III, John H. Musser, Thomas W. Pattison, John P. Yardley
  • Patent number: 4642347
    Abstract: There are disclosed compounds of the formula ##STR1## wherein Z is CR or N, when n=1; or Z is O, S, or NR, when n=0; n is 0 or 1; p is 1-10; R.sup.1 is hydrogen, loweralkyl, loweralkoxy or halo; R.sup.2 is hydrogen, loweralkyl, loweralkoxy or halo; or R.sup.1 and R.sup.2 taken together form a benzene ring; and the pharmaceutically acceptable salts thereof, and their use in the treatment of leukotriene-mediated naso-bronchial obstructive airpassageway conditions, such as allergic rhinitis, allergic bronchial asthma and the like.
    Type: Grant
    Filed: May 21, 1985
    Date of Patent: February 10, 1987
    Assignee: American Home Products Corporation
    Inventors: Anthony F. Kreft, III, Thomas W. Pattison, John H. Musser
  • Patent number: 4640924
    Abstract: The invention concerns thienoquinolizines of general formula (I) ##STR1## and their pharmaceutically acceptable acid addition salts. In the formula R.sup.1 is hydrogen or lower alkyl and R.sup.2 is lower alkyl, halo(lower)alkyl, --A--NR.sup.3 R.sup.4 [where A represents a direct bond between the S and N atoms or a lower alkylene group having 1 to 3 carbon atoms in the chain between the S and N atoms and R.sup.3 and R.sup.4 each independently represent hydrogen, lower alkyl, aryl or aryl(lower)alkyl or together with the nitrogen atom to which they are attached represent a five or six membered heterocyclic ring], aryl or a heterocyclic radical or R.sup.1 is --A.sup.1 NR.sup.5.SO.sub.2 R.sup.6 [where A.sup.1 is a lower alkylene group having 1 to 3 carbon atoms in the chain between the two N atoms, R.sup.5 is hydrogen or lower alkyl and R.sup.6 is lower alkyl, halo(lower)alkyl or aryl] and R.sup.2 is lower alkyl, halo(lower)alkyl or aryl. The compounds possess .alpha..sub.
    Type: Grant
    Filed: August 12, 1985
    Date of Patent: February 3, 1987
    Assignee: John Wyeth & Brother Limited
    Inventors: Alan C. White, Robin G. Shepherd, Barry J. Langham
  • Patent number: 4640920
    Abstract: Novel quinazoline and cinnoline derivatives having the formula ##STR1## (wherein one of A and B is CH and the other one of A and B is N; X.sub.1 is halogen or CF.sub.3 and X.sub.3 is one of the groups II, III, IV or V ##STR2## where Q is lower alkylene; R.sub.1 is hydrogen or lower alkyl; R.sub.2 and R.sub.3 are independently lower alkyl or R.sub.2 and R.sub.3 are a divalent radical such that HNR.sub.2 R.sub.3 is a secondary cyclic amine with 5 to 7 ring atoms; R.sub.4 is lower alkyl; n is 0 or 1; the rings shown in formulae III and IV are piperidine or pyrrolidine optionally substituted by lower alkyl; and the ring shown in formula V is piperazine optionally substituted by lower alkyl) and their pharmaceutically acceptable salts are useful as pharmaceuticals particularly as anti-hypertensives. Novel intermediates are also described including the corresponding sulphonic acids of formula I (where A, B and X.sub.1 are defined above and X.sub.3 is OH).
    Type: Grant
    Filed: June 13, 1985
    Date of Patent: February 3, 1987
    Assignee: John Wyeth & Brother Limited
    Inventors: John T. A. Boyle, Richard S. Todd
  • 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: 4621142
    Abstract: A process for preparing certain benzo- and thieno-fused heterocyclic compounds having H.sub.2 -receptor antagonist and antisecretory activity, which comprises the amide reduction of N-substituted carbamoyl-containing benzo- or thieno-fused heterocyclic intermediates; and said N-substituted carbamoyl-containing benzo- or thieno-fused heterocyclic intermediates.
    Type: Grant
    Filed: July 30, 1985
    Date of Patent: November 4, 1986
    Assignee: American Home Products Corporation
    Inventors: Anthony C. Scotese, Arthur A. Santilli, Donald P. Strike
  • Patent number: 4609655
    Abstract: The invention provides a compound of formula I ##STR1## wherein A is a C.sub.1 -C.sub.4 straight or branched alkylene chain which may be saturated or unsaturated,B is a C.sub.2 -C.sub.4 straight or branched alkylene chain which may be saturated or unsaturated,Ar is a phenyl or naphthyl group which may be substituted or unsubstituted,R.sup.1 and R.sup.2 are the same or different and are hydrogen, alkyl, alkoxy, alkoxyalkyl, hydroxyalkyl, hydroxy, halogen, nitro, carboxy, a carboxylic alkyl ester, carbamoyl, carbamoyloxy, cyano, acyl, acylamino or trifluoromethyl, or an acid addition salt thereof.The compounds are useful for the treatment of ulcers or hypersecretion in mammals. Pharmaceutical compositions containing the novel compounds and processes for their preparation are described.
    Type: Grant
    Filed: September 6, 1985
    Date of Patent: September 2, 1986
    Assignee: John Wyeth & Brother, Ltd.
    Inventor: Roger Crossley
  • Patent number: 4609667
    Abstract: A method of inhibiting mammalian elastase and collagenase by using [benzothiazolylthio]phenylacetyl-L-cysteines and the pharmaceutically acceptable salts thereof.
    Type: Grant
    Filed: March 21, 1985
    Date of Patent: September 2, 1986
    Assignee: American Home Products Corporation
    Inventors: Donald E. Clark, Norman H. Grant
  • Patent number: 4608379
    Abstract: Compounds containing a cation of formula Ia ##STR1## and a pharmaceutically acceptable anion are anti-fungal agents. In formula Ia and Ib R.sub.1 is alkyl of at least 3 carbon atoms or aralkyl; R.sub.2 and R.sub.5 are hydrogen, lower alkyl, lower alkoxy, halogen or nitro; R.sub.6 and R.sub.7, when separate, are lower alkyl or aryl(lower)alkyl or, when joined together, are --(CH.sub.2).sub.2 --A--(CH.sub.2).sub.2 -- (where A is --(CH.sub.2).sub.n --, O, S or NR.sub.8 where n is O, 1 or 2 and R.sub.8 is lower alkyl) or a mono- or di-(lower alkyl) substitution product thereof.
    Type: Grant
    Filed: September 5, 1984
    Date of Patent: August 26, 1986
    Assignee: John Wyeth & Brother Limited
    Inventor: John T. A. Boyle
  • Patent number: 4604398
    Abstract: The invention concerns benzoquinolizines of general formula ##STR1## or their pharmaceutically acceptable acid addition salts. In the formula R.sup.1 and R.sup.2 which may be the same or different each represent hydrogen, lower alkyl, lower alkoxy or halogen, R.sup.3 represents lower alkyl and R.sup.4 is lower alkoxy or lower alkoxy carbonyl. The compounds possess .alpha..sub.2 -adrenoceptor antagonistic activity in warm blooded animals.
    Type: Grant
    Filed: June 13, 1985
    Date of Patent: August 5, 1986
    Assignee: John Wyeth & Brother Limited
    Inventor: Terence J. Ward
  • 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: 4594425
    Abstract: There are disclosed compounds of the formula ##STR1## n is 0-6; A is O or S;B is OR.sup.2, SR.sup.2 or N(R.sup.2).sub.2 ;R.sup.1 is hydrogen, loweralkyl, loweralkoxy or halo;R.sup.2 is hydrogen or loweralkyl;and the pharmaceutically acceptable salts thereof, and their use in the treatment of leukotriene-mediated naso-bronchial obstructive airpassageway conditions, such as allergic rhinitis, allergic bronchial asthma and the like.
    Type: Grant
    Filed: February 9, 1984
    Date of Patent: June 10, 1986
    Assignee: American Home Products Corporation
    Inventors: John H. Musser, Dennis M. Kubrak
  • 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: 4581457
    Abstract: There are disclosed compounds of the formula ##STR1## wherein X is ##STR2## W is ##STR3## Y is ##STR4## n is 0-8; R.sup.1 is hydrogen, loweralkyl, loweralkoxy, lower alkanoyl, halo, trifluoromethyl, cyano or nitro;R.sup.2 is hydrogen or loweralkyl;and the pharmaceutically acceptable salts thereof, and their use in the treatment of leukotriene-mediated naso-bronchial obstructive airpassageway conditions, such as allergic rhinitis, allergic bronchial asthma and the like, and in antithrombotic therapy.
    Type: Grant
    Filed: September 21, 1984
    Date of Patent: April 8, 1986
    Assignee: American Home Products Corporation
    Inventors: John H. Musser, Dennis M. Kubrak