Patents Represented by Attorney Walter Patton
  • Patent number: 5349060
    Abstract: A derivative of rapamycin of general formula (1) and (2) ##STR1## wherein ##STR2## or hydrogen; R.sup.2 =hydrogen, or lower alkyl having 1 to 6 carbon atoms; ##STR3## wherein X=hydrogen, lower alkyl having 1 to 6 carbon atoms, --CF.sub.3, --NO.sub.2, --OR.sup.2, NR.sup.2, SR.sup.2, or halogen; R.sup.4 =lower alkyl, alkenyl or alkynyl having 1 to 6 carbon atoms or an aromatic or heterocyclic moiety selected from the group consisting of phenyl, naphthyl, thiophenyl and quinolinyl;Y-=halide, methanesulfonate, toluene sulfonate or maleate; andZ=oxygen or OH and H.which by virtue of its immunosuppressive activity is useful in treating transplantation rejection, host versus graft disease, autoimmune diseases, and diseases of inflammation.
    Type: Grant
    Filed: May 6, 1993
    Date of Patent: September 20, 1994
    Assignee: American Home Products Corporation
    Inventors: Wenling Kao, Robert L. Vogel
  • Patent number: 5336677
    Abstract: This invention relates to substituted 4-aminopyrimidines, which by virtue of their ability to antagonize angiotensin II are useful for the treatment of hypertension, congestive heart failure, and restenosis. The compounds are also useful for reducing lipid levels in the blood plasma and are thus useful for treating hyperlipidemia and hypercholesterolemia. Also disclosed are processes for the production of said compounds and pharmaceutical compositions containing said compounds.
    Type: Grant
    Filed: June 18, 1992
    Date of Patent: August 9, 1994
    Assignee: American Home Products Corporation
    Inventors: Dimitri Sarantakis, James J. Bicksler, John W. Ellingboe, Madelene Nikaido
  • Patent number: 5330989
    Abstract: Biphenyl derivatives of cyclobutene-1,2-dione of formula 1 are angiotensin II antagonists and are useful for the treatment of hypertension and congestive heart failure ##STR1## wherein: Y is O, NR.sup.7, NCOR.sup.7 ; or R.sup.5 and Y taken together represent a linking chain of N.dbd.CR.sup.8 N; or R.sup.5 and Y taken together represent a linking chain of (CR.sup.9 R.sup.10).sub.n CON where n=1,2,3,4, or 5;X is N, CR.sup.7 ;Z is N, CR.sup.7 ;R.sup.1 is H, alkyl, benzyl, alkoxyalkyl, phenyl;R.sup.2 is H, alkyl, benzyl, alkoxyalkyl, phenyl, alkoxy, alkyl-OH, perfluoroalkyl, F, Cl, Br, I, NR.sup.7 R.sup.8 ;R.sup.3 is H, alkyl, benzyl, alkoxyalkyl, phenyl, alkoxy, alkyl-OH, perfluoroalkyl, F, Cl, Br, I, NR.sup.7 R.sup.8 ;R.sup.4 is H, NR.sup.7 R.sup.8, OR.sup.1, CN, F, Cl, I, Br, perfluoroalkyl, alkyl, phenyl, alkoxy, alkyl-OH, alkoxyalkyl, --(CH.sub.2).sub.n CO.sub.2 R.sup.1, --(CH.sub.2).sub.n CONR.sup.7 R.sup.8 where n=1, 2, 3, 4, or 5;R.sup.5, R.sup.
    Type: Grant
    Filed: September 11, 1992
    Date of Patent: July 19, 1994
    Assignee: American Home Products Corporation
    Inventors: Richard M. Soll, William A. Kinney
  • Patent number: 5314913
    Abstract: The present invention relates to novel 4- or 5-(substituted sulfonyl)methyl-3(2H)-furanones having the formula (I) ##STR1## wherein R.sup.1 and R.sup.2 are independently alkyl containing 1 to 6 branched or straight chain carbon atoms, phenyl, or halogen substituted phenyl; or R.sup.1 and R.sup.2 are joined by 5 to 7 carbon atoms;R.sup.3 and R.sup.4 are independently hydrogen, alkyl containing 1 to 6 branched or straight chain carbon atoms or R.sup.3 and R.sup.4 are joined by 4 to 6 carbon atoms;R.sup.
    Type: Grant
    Filed: December 8, 1992
    Date of Patent: May 24, 1994
    Assignee: American Home Products Corporation
    Inventors: Steven W. Felman, Ivo L. Jirkovsky, Kevin A. Memoli
  • Patent number: 5288871
    Abstract: This invention relates to 2-substituted-imidazo[4,5 -c]pyridines, to the process for their preparation, to pharmaceutical compositions containing said 2-substituted-imidazo]4,5-c]pyridines and to the use of said 2-substituted-imidazo[4,5-c]pyridines for modifying the balance between bone production and bone resorption in a host animal, including man.
    Type: Grant
    Filed: August 2, 1993
    Date of Patent: February 22, 1994
    Assignee: American Home Products Corporation
    Inventors: Arthur A. Santilli, Susan M. Andrews, Donald P. Strike
  • Patent number: 5283242
    Abstract: There are disclosed compounds of the formula ##STR1## wherein R.sup.1 is ##STR2## R.sup.2 is ##STR3## wherein X is ##STR4## wherein R.sup.5 is hydrogen, alkyl of 1-6 carbon atoms, benzyl, triphenylmethyl, or Sn(alkyl of 1-6 carbon atoms).sub.3 ;n is 1 to 3;Y is ##STR5## wherein R.sup.3 is hydrogen, perfluoro alkyl of 1-6 carbon atoms, trifluoromethylalkyl of 1-6 carbon atoms, or alkyl of 1-6 carbon atoms; and R.sup.4 is hydrogen or alkyl of 1-6 carbon atoms;with the proviso that when R.sup.1 is ##STR6## then R.sup.2 cannot be ##STR7## wherein X is as defined above; and the pharmaceutically acceptable salts thereof, which by virtue of their ability to antagonize angiotensin II are useful for the treatment of hypertension and congestive heart-failure.
    Type: Grant
    Filed: November 12, 1992
    Date of Patent: February 1, 1994
    Assignee: American Home Products Corporation
    Inventor: John W. Ellingboe
  • Patent number: 5278160
    Abstract: There are disclosed the use of the compounds of the formula (I) ##STR1## wherein R.sup.1 is 1-adamantyl, 3-methyl-1-adamantyl, 3-noradamantyl, unsubstituted or substituted-2-indolyl, 3-indolyl, 2-benzofuranyl or 3-benzofuranyl wherein the substituents are selected from lower alkyl, lower alkoxy and halo; R.sup.2 is unsubstituted or substituted phenyl, benzyl, or pyrimidinyl wherein the substituents are selected from lower alkyl, lower alkoxy, trifluoromethyl and halo; R.sup.3 is H or lower alkyl of 1 to 3 carbon atoms; n is the integer 0 or 1; and m is the integer from 2 to 5 and the pharmaceutically acceptable salts thereof.
    Type: Grant
    Filed: March 10, 1992
    Date of Patent: January 11, 1994
    Assignee: American Home Products Corporation
    Inventors: Magid A. Abou-Gharbia, John P. Yardley, Wayne E. Childers, Jr., John A. Moyer
  • Patent number: 5260299
    Abstract: A derivative of rapamycin of general formula (I) ##STR1## where R.sup.1 is alkyl, alkenyl, or alkynyl containing 1 to 6 carbon atoms; or an aromatic moiety selected from the group consisting of phenyl and naphthyl or a heterocyclic moiety selected from the group consisting of thiophenyl and quinolinyl or NHCO.sub.2 R.sup.2 wherein R.sup.2 is lower alkyl containing 1 to 6 carbon atoms or a pharmaceutically acceptable salt thereof, which by virtue of its immunosuppressive activity is useful in treating transplantation rejection, host versus graft disease, autoimmune diseases, and diseases of inflammation.
    Type: Grant
    Filed: July 21, 1992
    Date of Patent: November 9, 1993
    Assignee: American Home Products Corporation
    Inventors: Amedeo A. Failli, Wenling Kao, Robert J. Steffan, Robert L. Vogel
  • Patent number: 5256781
    Abstract: There are disclosed compounds of the general formula I: ##STR1## wherein A is O, S, NR.sup.6, --CR.sup.7 .dbd.CR.sup.8 --;Z is O, S, NR.sup.6, --CR.sup.7 .dbd.CR.sup.8 --;X is H, NR.sup.9 R.sup.10, OR.sup.11, CN, F, Cl, I, Br, perfluoroalkyl, alkyl, alkoxy, alkyl-OH, alkoxyalkyl, --(CH.sub.2).sub.n CO.sub.2 R.sup.11, --(CH.sub.2).sub.n CONR.sup.9 R.sup.10 ;when Z=--CR.sup.7 .dbd.CR.sup.8 -- then Y is NR.sup.13, NR.sup.13 CR.sup.12 R.sup.14 ; CR.sup.12 R.sup.14 NR.sup.13 ;when Z.dbd.O, S, NR.sup.6 then Y is NR.sup.13 CR.sup.12 R.sup.14 ;R.sup.1 is 5-tetrazolyl, CO.sub.2 R.sup.11, SO.sub.3 H, NHSO.sub.2 CH.sub.3, NHSO.sub.2 CF.sub.3 ;R.sup.2, R.sup.3, R.sup.4, R.sup.7, R.sup.8 is H, alkyl, alkoxy, alkoxyalkyl, alkyl-OH, perfluoroalkyl, aralkyl, CN, NO.sub.2, SO.sub.2 R.sup.13, --(CH.sub.2).sub.n CO.sub.2 R.sup.11, --(CH.sub.2).sub.n CONR.sup.9 R.sup.10, OR.sup.11, F, Cl, Br, I, NR.sup.9 R.sup.10 ;R.sup.5 is alkyl, alkoxy, alkoxyalkyl, alkyl-OH, perfluoroalkyl, aralkyl, H, --CN, NO.sub.2, SO.sub.2 R.sup.
    Type: Grant
    Filed: March 22, 1993
    Date of Patent: October 26, 1993
    Assignee: American Home Products Corporation
    Inventors: John L. Primeau, Lloyd M. Garrick
  • Patent number: 5256654
    Abstract: This invention relates to pyrrolo-, pyrido-, azepino-, and azocinopyrimidines of the general formula I ##STR1## wherein R.sup.1, R.sup.2, R.sup.3, and R.sup.4 are independently H, lower alkyl containing 1 to 6 carbon atoms, or perfluoroalkyl containing 1 to 6 carbon atoms; R.sup.5 is H or when n is 1 R.sup.5 taken together with R.sup.3 comprises a double bond; n is 0 to 1; p is 0 to 2; m is 0 to 3; Ar.sup.1 is ##STR2## wherein W is H, lower alkyl containing 1 to 6 carbon atoms, halogen, hydroxy, or lower alkoxy containing 1 to 6 carbon atoms; Ar.sup.2 is ##STR3## wherein X is ##STR4## wherein R.sup.6 is H, tert-butyl, tri-n-butylstannyl, or triphenylmethyl; and the pharmaceutically acceptable salts thereof which by virtue of their ability to antagonize angiotensin II are useful for the treatment of hypertension, congestive heart failure, and restenosis. The compounds are also useful for reducing lipid levels in the blood plasma and are thus useful for treating hyperlipidemia and hypercholesterolemia.
    Type: Grant
    Filed: June 25, 1992
    Date of Patent: October 26, 1993
    Assignee: American Home Products Corporation
    Inventors: John W. Ellingboe, Madelene Nikaido, Jehan Bagli
  • Patent number: 5254552
    Abstract: There are disclosed compounds of the formula (I) ##STR1## wherein R.sup.1 is 1-adamantyl, 3-methyl-1-adamantyl, 3-noradamantyl, unsubstituted or substituted-2-indolyl, 3-indolyl, 2-benzofuranyl and 3-benzofuranyl wherein the substituents are selected from lower alkyl, lower alkoxy and halo; R.sup.2 is unsubstituted or substituted phenyl, benzyl, pyridinyl, pyrimidinyl or pyrazinyl, wherein the substituents are selected from lower alkyl, lower alkoxy, trifluoromethyl and halo; R.sup.3 is H or lower alkyl of 1 to 3 carbon atoms; n is the integer 0 or 1; m is the integer from 2 to 5; and the pharmaceutically acceptable salts thereof.The compounds of this invention which demonstrate selectivity at the 5-HT.sub.1A and 5-HT.sub.2 versus D.sub.2 receptor binding sites are useful as potential anxiolytic-antidepressant agents.Compounds of this invention with equal high affinity for the 5-HT.sub.1A and D.sub.2 -receptor binding sites are useful as mixed antipsychotic-anxiolytic agents.
    Type: Grant
    Filed: March 16, 1992
    Date of Patent: October 19, 1993
    Assignee: American Home Products Corporation
    Inventors: Magid A. Abou-Gharbia, John P. Yardley, Wayne E. Childers, Jr.
  • Patent number: 5252597
    Abstract: Disclosed herein are novel benzopyrans represented by formula (I) ##STR1## wherein R.sup.1 is trifluoromethoxy or .beta.,.beta.,.beta.-trifluoroethoxy; R.sup.2, and R.sup.3 are independently selected from the group consisting of hydrogen, lower alkyl containing 1 to 5 carbon atoms, cyclo lower alkyl containing 5 to 8 carbon atoms, ##STR2## or R.sup.2 and R.sup.3 are joined to form (--CH.sub.2 --).sub.n wherein n is 4 to 7; or R.sup.2 and R.sup.3 are joined together to form (--CH.sub.2 --).sub.m CO-- wherein m is 3 to 6; or R.sup.2 and R.sup.3 are joined together to form ##STR3## wherein R.sup.
    Type: Grant
    Filed: August 26, 1992
    Date of Patent: October 12, 1993
    Assignee: American Home Products Corporation
    Inventor: Dominick A. Quagliato
  • Patent number: 5236925
    Abstract: There are disclosed compounds of the general formula I: ##STR1## wherein A is O, S, NR.sup.6 ;Z is O, S, NR.sup.6 ;X is H, NR.sup.9 R.sup.10, OR.sup.11, CN, F, Cl, I, Br, perfluoroalkyl, alkyl, alkyl-OH, alkoxyalkyl, --(CH.sub.2).sub.n CO.sub.2 R.sup.11, --(CH.sub.2).sub.n CONR.sup.9 R.sup.10 ;Y is NR.sup.13 CR.sup.12 R.sup.14 ;R.sup.1 is 5-tetrazolyl, CO.sub.2 R.sup.11, SO.sub.3 H, NHSO.sub.2 CH.sub.3, NHSO.sub.2 CF.sub.3 ;R.sup.2, R.sup.3, R.sup.4, R.sup.7, R.sup.8 is H, alkyl, alkoxyalkyl, alkyl-OH, perfluoroalkyl, aralkyl, CN, NO.sub.2, SO.sub.2 R.sup.13, --(CH.sub.2).sub.n CO.sub.2 R.sup.11, --(CH.sub.2).sub.n CONR.sup.9 R.sup.10, OR.sup.11, F, Cl, Br, I, NR.sup.9 R.sup.10 ;R.sup.5 is alkyl, alkoxyalkyl, alkyl-OH, perfluoroalkyl, aralkyl, H, --CN, NO.sub.2, SO.sub.2 R.sup.13, --(CH.sub.2).sub.n CO.sub.2 R.sup.11, --(CH.sub.2).sub.n CONR.sup.9 R.sup.10 ;R.sup.6 is H, alkyl, aralkyl;R.sup.9, R.sup.10 is H, alkyl, alkoxyalkyl, alkyl-OH, perfluoroalkyl, aralkyl;R.sup.11 is H, alkyl, aralkyl, alkoxyalkyl;R.
    Type: Grant
    Filed: August 6, 1992
    Date of Patent: August 17, 1993
    Assignee: American Home Products Corporation
    Inventors: John L. Primeau, Lloyd M. Garrick
  • Patent number: 5234936
    Abstract: There are disclosed compounds of the general formula I: ##STR1## wherein X is H, NR.sup.12 R.sup.13, OR.sup.14, CN, F, Cl, I, Br, perfluoroalkyl, alkyl, alkoxy, alkyl-OH, alkoxyalkyl, --(CH.sub.2).sub.n CO.sub.2 R.sup.14, --(CH.sub.2).sub.n CONR.sup.12 R.sup.13 ;Y is NR.sup.15, NR.sup.18 CR.sup.16 R.sup.17, CR.sup.16 R.sup.17 NR.sup.15 ;R.sup.1 is 5-tetrazolyl, CO.sub.2 R.sup.14, SO.sub.3 H, NHSO.sub.2 CH.sub.3, NHSO.sub.2 CF.sub.3 ;R.sup.2, R.sup.3 is H, alkyl, alkoxy, alkoxyalkyl, alkyl-OH perfluoroalkyl, aralkyl, CN, NO.sub.2, SO.sub.2 R.sup.19, --(CH.sub.2).sub.n CO.sub.2 R.sup.14, --(CH.sub.2).sub.n CONR.sup.12 R.sup.13, OR.sup.14, F, Cl, Br, I, NR.sup.12 R.sup.13 ;R.sup.4 -R.sup.11 is H, F, alkyl, alkoxy, alkoxyalkyl, --OCOR.sup.14, alkyl-OH, perfluoroalkyl, aralkyl, aryl, CN, NO.sub.2, SO.sub.2 R.sup.19, --(CH.sub.2).sub.n CO.sub.2 R.sup.14, --(CH.sub.2).sub.n CONR.sup.12 R.sup.13, OH, OR.sup.14, --NR.sup.12 R.sup.13, any two geminal groups can be O or CH.sub.2 ;R.sup.12, R.sup.
    Type: Grant
    Filed: October 24, 1991
    Date of Patent: August 10, 1993
    Assignee: American Home Products Corporation
    Inventors: John L. Primeau, Lloyd M. Garrick, Timothy D. Ocain, Richard M. Soll, Paul J. Dollings
  • Patent number: 5221686
    Abstract: This invention relates to novel spiro[1,2-benzisothiazole-3(2H),5'-oxazolidine]-2',4'-dione 1,1-dioxides characterized by the general formula (I), ##STR1## wherein R is lower alkyl containing 1 to 6 carbon atoms, cycloalkyl containing 5 to 6 carbon atoms, allyl, benzyl, halogen substituted benzyl, aralkyl containing 7 to 10 carbon atoms, halogen substituted aralkyl containing 7 to 10 carbon atoms; 3-phenyl-2-propynyl and halogen substituted 3-phenyl-2-propynyl and the pharmaceutically acceptable salts thereof, to the processes for their preparation, to methods for using the compounds, and to pharmaceutical compositions thereof. The compounds have pharmaceutical properties which render them beneficial for the treatment of diabetes mellitus and associated diabetic complications.
    Type: Grant
    Filed: August 4, 1992
    Date of Patent: June 22, 1993
    Assignee: American Home Products Corporation
    Inventors: Jay E. Wrobel, Arlene Dietrich
  • Patent number: 5221740
    Abstract: A derivative of rapamycin of general formula (I) ##STR1## wherein R.sup.1 and R.sup.2 are selected from the group consisting of hydrogen, acyl, sulfonyl or alkyl or a pharmaceutically acceptable salt thereof, which is by virtue of its immunosuppressive activity is useful in treating transplantation rejection host vs. graft disease, autoimmune diseases, and diseases of inflammation.
    Type: Grant
    Filed: January 16, 1992
    Date of Patent: June 22, 1993
    Assignee: American Home Products Corporation
    Inventor: Philip F. Hughes
  • Patent number: 5212182
    Abstract: This invention relates to novel quinolinyl- and naphthalenylbenzamides or benylamines and related disclosed compounds of the formula ##STR1## wherein X is nitrogen, NO or CR.sup.1 ; Y is C(R.sup.1)(R.sup.2)O, OC(R.sup.1)(R.sup.2), C(R.sup.1)(R.sup.2)N(R.sup.3), N(R.sup.3)C(R.sup.1)(R.sup.2) or C(R.sup.1).dbd.C(R.sup.2); wherein R.sup.1, R.sup.2, and R.sup.3 are independently hydrogen or lower alkyl containing 1 to 10 carbon atoms; Z is oxygen or (R.sup.1)(R.sup.2); R.sup.4 is R.sup.1, benzyl, benzyl ring substituted with R.sup.5, benzyl alpha monosubstituted with R.sup.1, benzyl ring substituted with R.sup.5 and alpha monosubstituted with R.sup.1, phenyl, phenylalkyl containing 2 to 10 carbon atoms in the alkyl group or phenylalkyl ring substituted with R.sup.5 and containing 2 to 10 carbon atoms in the alkyl group; wherein R.sup.5 is R.sup.1, lower alkoxy containing 1 to 10 carbon atoms, halogen, trihalomethyl, NO.sub.2, N(R.sup.1)(R.sup.2) or C(O)N(R.sup.1)(R.sup.2); R.sup.6 is R.sup.1 or R.sup.6 is C(O)(R.
    Type: Grant
    Filed: October 3, 1990
    Date of Patent: May 18, 1993
    Assignee: American Home Products Corpooration
    Inventors: John H. Musser, Albert J. Molinari, Dominick Mobilio
  • Patent number: 5198449
    Abstract: Novel compounds of the formula below wherein W is azetidine, pyrrolidine or piperidine, Q is a straight chain hydrocarbon radical of 1-4 carbons and may contain a double bond, and ##STR1## Ar is phenyl, pyridinyl or pyrimidinyl, a process for their preparation, and novel intermediates are disclosed. The novel compounds and the pharmaceutical compositions of this invention are useful in the treatment of hypertension, arrhythmias and angina.
    Type: Grant
    Filed: April 27, 1990
    Date of Patent: March 30, 1993
    Assignee: A. H. Robins Company Incorporated
    Inventor: James R. Shanklin, Jr.
  • Patent number: 5189167
    Abstract: This invention relates to alkylidene analogs of 1'-amino-2-[(benzothiazolyl)-methyl]spiro[isoquinoline-4(1H),3'-pyrrolidon e]-1,2',3,5'(2H)-tetrones represented by formula (I): ##STR1## wherein: R.sup.1, R.sup.2 and R.sup.3 are independently hydrogen, alkyl containing 1 to 6 carbon atoms, halogen, lower alkoxy containing 1 to 6 carbon atoms, trifluoromethyl or nitro;R.sup.4 and R.sup.5 are independently hydrogen, alkyl containing 1 to 6 carbon atoms, aryl, aryl (lower alkyl) wherein aryl contains 6 to 10 carbon atoms and lower alkyl contains 1 to 6 carbon atoms, or R.sup.4 and R.sup.5 are joined to form alicyclic or heterocyclic rings selected from the group consisting of ##STR2## wherein n=1-10; ##STR3## wherein X=O, S, SO, SO.sub.2 ; ##STR4## wherein X=O, S; and ##STR5## wherein R.sup.
    Type: Grant
    Filed: November 25, 1991
    Date of Patent: February 23, 1993
    Assignee: American Home Products Corporation
    Inventor: Michael S. Malamas
  • Patent number: 5189168
    Abstract: This invention relates to 1'-amino-2-[(benzothiazolyl)methyl]spiro[isoquinoline-4(1H),3'-pyrrolidine ]-1,2',3,5'(2H)-tetrones represented by formula (I): ##STR1## wherein: R.sup.1, R.sup.2 and R.sup.3 are independently hydrogen, alkyl containing 1 to 6 carbon atoms, halogen, lower alkoxy containing 1 to 6 carbon atoms, trifluoromethyl or nitro;R.sup.4 and R.sup.5 are independently hydrogen, alkyl containing 1 to 6 carbon atoms, aryl, aryl (lower alkyl) wherein aryl contains 6 to 10 carbon atoms and lower alkyl contains 1 to 6 carbon atoms, alkanoyl of 2 to 5 carbon atoms, carboalkoxy, alkylsulfoxy, arylsulfoxy, alkylsulfonyl, arylsulfonyl wherein aryl contains 6 to 10 carbon atoms and alkoxy and alkyl contain 1 to 6 carbon atoms, or R.sup.4 and R.sup.5 together with the nitrogen atoms to which they are bonded represent a heterocyclic ring of 5 to 7 ring atoms and the pharmaceutically acceptable salts thereof when R.sup.4 and R.sup.5 are hydrogen, alkyl or aryl.
    Type: Grant
    Filed: November 25, 1991
    Date of Patent: February 23, 1993
    Assignee: American Home Products Corporation
    Inventor: Michael S. Malamas