Patents by Inventor Anthony F. Kreft, III

Anthony F. Kreft, III 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).

  • Publication number: 20090181932
    Abstract: A synthetic compound characterized by having the structure of formula I or II or a pharmaceutically acceptable salt and/or hydrate thereof is provided. Formula I and formula II are defined as follows. wherein R1 is substituted aryl or substituted heteroaryl; R2 and R3 are independently selected from the group consisting of CF3, substituted phenyl, C1-C4 alkyl, substituted C1-C4 alkyl, (CF3)nC1-C4alkyl, (CF3)n(substituted C1-C4 alkyl), provided that when R2 or R3 is CF3, the other is not an unsubstituted alkyl; R4 and R4? are independently selected from the group consisting of M, C1-C4 alkyl, phenyl, and benzyl, wherein M is a metal ion is selected from the group consisting of sodium, lithium, calcium, magnesium and potassium, or R4 and R4? are taken together to form a cyclic structure. Methods of making such compounds and uses thereof are also provided.
    Type: Application
    Filed: January 7, 2009
    Publication date: July 16, 2009
    Applicant: Wyeth
    Inventors: David Zenan LI, Dane Springer, Sayed Elmarakby, Appavu Chandrasekaran, Anthony F. Kreft, III
  • Publication number: 20090023801
    Abstract: Novel sulfonamide compounds useful in the treatment of conditions related to the production of beta-amyloid are described, as are routes to their preparation. The sulfonamide compounds are of the following structure, wherein R1-R3 are defined herein. Also provided are pharmaceutical compositions containing these compounds and/or prodrugs of these compounds and a physiologically compatible carrier. These compounds are specifically useful for inhibiting beta amyloid production, and treating Alzheimer's Disease, amyloid angiopathy, cerebral amyloid angiopathy, systemic amyloidosis, hereditary cerebral hemorrhage with amyloidosis of the Dutch type, inclusion body myositis, mild cognitive impairment (MCI) and Down's syndrome.
    Type: Application
    Filed: July 14, 2008
    Publication date: January 22, 2009
    Applicant: Wyeth
    Inventors: Thomas J. Caggiano, Koi M. Morris, Boyd L. Harrison, Anthony F. Kreft, III, Dennis M. Kubrak, Dane M. Springer
  • Patent number: 5420289
    Abstract: This invention relates to substituted indole derivatives possessing lipoxygenase inhibitory, phospholipase A.sub.2 inhibitory and leukotriene antagonist activity, which are useful as anti-inflammatory, antiallergic and cytoprotective agents.
    Type: Grant
    Filed: March 10, 1993
    Date of Patent: May 30, 1995
    Assignee: American Home Products Corporation
    Inventors: John H. Musser, Anthony F. Kreft, III, Amedeo A. Failli, Christopher A. Demerson, Uresh S. Shah, James A. Nelson
  • Patent number: 5364944
    Abstract: There are disclosed substituted benzoylbenzene-, biphenyl- and 2-oxazole- alkanoic acid derivatives and the pharmacologically acceptable salts thereof as inhibitors of PLA.sub.2 and lipoxygenase, and their use in the treatment of inflammatory conditions, such as rheumatoid arthritis, ulcerative colitis, psoriasis and other immediate hypersensitivity reactions; in the treatment of leukotriene-mediated naso-bronchial obstructive air-passageway conditions, such as allergic rhinitis, allergic bronchial asthma and the like; and as gastric cytoprotective agents.
    Type: Grant
    Filed: January 6, 1993
    Date of Patent: November 15, 1994
    Assignee: American Home Products Corporation
    Inventors: Amedeo A. Failli, Anthony F. Kreft, III, John H. Musser, Annette L. Banker, James A. Nelson, Uresh S. Shah, Dennis M. Kubrak
  • Patent number: 5250693
    Abstract: There are disclosed compounds of the formula ##STR1## wherein R is hydrogen or lower alkyl;Y is ##STR2## or a pharmaceutically acceptable salt thereof, and its use in the treatment of leukotriene-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: December 13, 1991
    Date of Patent: October 5, 1993
    Assignee: American Home Products Corporation
    Inventors: Anthony F. Kreft, III, John H. Musser, James J. Bicksler, John W. Giberson, Dennis M. Kubrak, Annette L. Banker
  • Patent number: 5229516
    Abstract: There are disclosed compounds of the formulaA(CH.sub.2).sub.n O-BwhereinA is C.sub.4 -C.sub.8 alkyl, phenoxyethyl, phenoxyphenyl or a group having the formula ##STR1## wherein ##STR2## R.sup.1 is hydrogen, lower alkyl, phenyl or phenyl substituted with trifluoromethyl;R.sup.2 is hydrogen or lower alkyl; orR.sup.1 and R.sup.2 taken together form a benzene ring;R.sup.3 is hydrogen or lower alkyl;n is 1-2;B is ##STR3## wherein ##STR4## m is 0-3; R.sup.5 is ##STR5## or phenyl or phenyl substituted by halo, lower alkylthio, lower alkylsulfinyl or lower alkylsulfonyl;R.sup.6 is A(CH.sub.2).sub.n O-- or halo; with the proviso that when R.sup.6 is halo, R.sup.5 is ##STR6## R.sup.7 is lower alkyl; Y is --CH.sub.2 -- or --O--;R.sup.8 is lower alkyl or --(CH.sub.2).sub.m CO.sub.2 R.sup.3 ;R.sup.9 is ##STR7## or --CH.sub.2 R.sup.10 ; R.sup.10 is lower alkyl, phenyl, phenyl substituted with carboxy, halo, loweralkylthio or loweralkylsulfinyl, pyridyl, furanyl or quinolinyl;R.sup.
    Type: Grant
    Filed: July 10, 1992
    Date of Patent: July 20, 1993
    Assignee: American Home Products Corporation
    Inventors: John H. Musser, Anthony F. Kreft, III, Amedeo A. Failli, Christopher A. Demerson, Uresh S. Shah, James A. Nelson
  • Patent number: 5218124
    Abstract: There are disclosed compounds of the formulaA(CH.sub.2).sub.n O--BwhereinA is a group having the formula ##STR1## wherein X is --N-- or ##STR2## Z is ##STR3## R.sup.1 is hydrogen, lower alkyl or phenyl; R.sup.2 is hydrogen or lower alkyl; orR.sup.1 and R.sup.2 taken together form a benzene ring, with the proviso that when X is --N--, Z is other than ##STR4## R.sup.3 is hydrogen or lower alkyl; n is 1-2;B is ##STR5## wherein Y is OR.sup.5 or N(OH)R.sup.8 ;R.sup.4 and R.sup.5 are each, independently, hydrogen or lower alkyl;R.sup.6 is hydrogen, halo or nitro;R.sup.7 is ##STR6## R.sup.
    Type: Grant
    Filed: June 1, 1992
    Date of Patent: June 8, 1993
    Assignee: American Home Products Corporation
    Inventors: Amedeo A. Failli, Anthony F. Kreft, III, John H. Musser, Annette L. Banker, James A. Nelson, Uresh S. Shah, Dennis M. Kubrak
  • Patent number: 5208344
    Abstract: There are disclosed compounds of the formula ##STR1## wherein A is alkyl of 3-19 carbon atoms, diloweralkyl allyl, dihaloallyl, diphenylallyl, lower alkynyl, ##STR2## with the proviso that A is not quinolinyl; W is --CR.sub.2 O--, --CH.dbd.CH-- or --CH.dbd.CHCH.sub.2 O--;X is N or CR;Z is ##STR3## --S-- or --O--; R is hydrogen or lower alkyl;Y is ##STR4## R.sup.1 is hydrogen, lower alkyl or phenyl; R.sup.2 is hydrogen or lower alkyl; orR.sup.1 and R.sup.2 taken together form a benzene ring, optionally substituted by halo;R.sup.3 is --OR, ##STR5## or --NHSO.sub.2 R.sup.4 ; R.sup.4 is phenyl or loweralkyl substituted phenyl;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, in psoriasis, ulcerative colitis, rheumatoid arthritis as well as in other immediate hypersensitivity reactions.
    Type: Grant
    Filed: December 13, 1991
    Date of Patent: May 4, 1993
    Assignee: American Home Products Corporation
    Inventors: Anthony F. Kreft, III, John H. Musser, James J. Bicksler, John W. Giberson, Dennis M. Kubrak, Annette L. Banker
  • Patent number: 5159085
    Abstract: There are disclosed compounds of the formula ##STR1## wherein R is hydroxy, lower alkoxy or lower alkoxyamino;R.sup.1 is hydrogen or A(CH.sub.2).sub.n O--;R.sup.2 is hydrogen or A(CH.sub.2).sub.n O--, with the proviso that one of R.sup.1 and R.sup.2 is hydrogen;n is 1-2;A is phenoxyethyl, phenoxyphenyl or a group having the formula ##STR2## R.sup.3 is hydrogen, lower alkyl or phenyl; R.sup.4 is hydrogen or lower alkyl; orR.sup.3 and R.sup.4 taken together form a benzene ring;R.sup.5 is hydrogen or lower alkyl;R.sup.6 is hydrogen, halo or lower alkyl;and the pharmacologically acceptable salts thereof, and their use in the treatment of inflammatory conditions, such as rheumatoid arthritis, ulcerative colitis, psoriasis and other immediate hypersensitivity reactions; in the treatment of leukotriene-mediated naso-bronchial obstructive air-passageway conditions, such as allergic rhinitis, allergic bronchial asthma and the like; and as gastic cytoprotective agents.
    Type: Grant
    Filed: April 4, 1991
    Date of Patent: October 27, 1992
    Assignee: American Home Products Corporation
    Inventors: Amedeo A. Failli, Anthony F. Kreft, III, John H. Musser
  • Patent number: 5103014
    Abstract: There are disclosed compounds of the formula ##STR1## wherein X is ##STR2## Y is ##STR3## Z is --(CH.sub.2).sub.n O--, --(CH.sub.2).sub.n S--, ##STR4## R.sup.1 is ##STR5## n is 0-5; R.sup.2 is hydrogen, loweralkyl, loweralkoxy, lower alkoxycarbonyl, trifluoromethyl, nitro, cyano or halo;R.sup.3 is ##STR6## W represents a bond or --O--, --S-- or ##STR7## m is 1-15; R.sup.4 is hydrogen or loweralkyl;R.sup.5 is lower alkyl, monofluoroloweralkyl, difluroloweralkyl, polyfluroloweralkyl, perfluoroloweralkyl or ##STR8## R.sup.6 is hydrogen lower alkyl, --COOR.sup.4 or ##STR9## R.sup.7 is OR.sup.4 or N(R.sup.4).sub.2 ; R.sup.8 is OR.sup.4 or N(R.sup.4).sub.2 ;and the pharmaceutically acceptable salts thereof, and their use in the treatment of leukotriene-mediated naso-bronchial obstruction airpassageway conditions, such as allergic rhinitis, allergic bronchial asthma and the like, as antiinflammatory agents.
    Type: Grant
    Filed: May 18, 1990
    Date of Patent: April 7, 1992
    Assignee: American Home Products Corporation
    Inventors: John H. Musser, Reinhold H. W. Bender, Anthony F. Kreft, III, James A. Nelson
  • Patent number: 5084575
    Abstract: There are disclosed compounds of the formula ##STR1## wherein a is alkyl 3-19 carbon atoms, diloweralkyl allyl, diahaloallyl, diphenylallyl, lower alkynyl, ##STR2## W is --CR.sub.2 O--, --CH.dbd.CH-- or --CH.dbd.CHCH.sub.2 O-- X is N or CR;Z is ##STR3## R is hydrogen or lower alkyl; Y is ##STR4## R.sup.1 is hydrogen, lower alkyl or phenyl; R.sup.2 is hydrogen or lower alkyl; orR.sup.1 and R.sup.2 taken together form a benzene ring, optionally substituted by halo;R.sup.3 is --OR, ##STR5## -- NHSO.sub.2 R.sup.4 ; R.sup.4 is phenyl or loweralkyl substituted phenyl;R.sup.5 is halo;and the pharmaceutically acceptable salts thereof, and their use in the treatment of leukotriene-mediated naso-bronchial obstructive airpassageway conditions, such as alelrgic rhinitis, allergic bronchial asthma and the like, in psoriasis, ulcerative colitis, rheumatoid arthritis as well as in other immediate hypersensitivity reactions.
    Type: Grant
    Filed: September 6, 1990
    Date of Patent: January 28, 1992
    Assignee: American Home Products Corporation
    Inventors: Anthony F. Kreft, III., John H. Musser, James J. Bicksler, John W. Giberson, Dennis M. Kubrak, Annette L. Banker
  • Patent number: 5071988
    Abstract: There are disclosed compounds of the formulaA(CH.sub.2).sub.n O--BwhereinA is ##STR1## n is 1-2; B is ##STR2## wherein R.sup.4 and R.sup.5 are each, independently, hydrogen or lower alkyl;R.sup.6 is hydrogen, halo or nitro; ##STR3## R.sup.8 is lower alkyl; m is 0-3;and the pharmacologically acceptable salts thereof, and their use in the treatment of inflammatory conditions, such as rheumatoid arthritis, ulcerative colitis, psoriasis and other immediate hypersensitivity reactions; in the treatment of leukotriene-mediated nasobronchial obstructive air-passageway conditions, such as allergic rhinitis, allergic bronchial asthma and the like; and as gastric cytoprotective agents.
    Type: Grant
    Filed: February 27, 1991
    Date of Patent: December 10, 1991
    Assignee: American Home Products Corporation
    Inventors: Amedeo A. Failli, Anthony F. Kreft, III, John H. Musser, Annette L. Banker, James A. Nelson, Uresh S. Shah
  • Patent number: 5021576
    Abstract: There are disclosed compounds of the formula ##STR1## wherein R is hydroxy, lower alkoxy or lower alkoxyamino;R.sup.1 is hydrogen or A(CH.sub.2).sub.n O--;R.sup.2 is hydrogen or A(CH.sub.2).sub.n O--, with the proviso that one of R.sup.1 and R.sup.2 is A(CH.sub.2).sub.n O-- and the other is hydrogen;n is 1-2;A is phenoxyethyl, phenoxyphenyl or a group having the formula ##STR2## X is --N-- or ##STR3## Z is ##STR4## R.sup.3 is hydrogen, lower alkyl or phenyl; R.sup.4 is hydrogen or lower alkyl; orR.sup.3 and R.sup.4 taken together form a benzene ring;R.sup.5 is hydrogen or lower alkyl;R.sup.
    Type: Grant
    Filed: October 27, 1989
    Date of Patent: June 4, 1991
    Assignee: American Home Products Corporation
    Inventors: Amedeo A. Failli, Anthony F. Kreft, III, John H. Musser
  • Patent number: 4960892
    Abstract: There are disclosed compounds of the formula ##STR1## wherein A is alkyl of 3-19 carbon atoms, diloweralkyl allyl, dihaloallyl, diphenylallyl, lower alkynyl, ##STR2## X is N or CR; Z is ##STR3## R is hydrogen or lower alkyl; R.sup.1 is hydrogen, lower alkyl or phenyl;R.sup.2 is hydrogen or loweralkyl; orR.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, in psoriasis, ulcerative colitis, rheumatoid arthritis as well as in other immediate hypersensitivity reactions.
    Type: Grant
    Filed: May 12, 1989
    Date of Patent: October 2, 1990
    Assignee: American Home Products Corporation
    Inventors: Anthony F. Kreft, III, John H. Musser, James J. Bicksler, John W. Giberson, Dennis M. Kubrak
  • Patent number: 4942236
    Abstract: There are disclosed compounds of the formula ##STR1## n is 0-5; R.sup.2 is, independently, hydrogen, loweralkyl, loweralkoxy, trifluoromethyl or halo; ##STR2## W represents a bond or ##STR3## m is 1-15; R.sup.4 is hydrogen or loweralkyl;R.sup.5 is lower alkyl, monofluoroloweralkyl, difluoroloweralkyl, polyfluoroloweralkyl, perfluoroloweralkyl or ##STR4## or a pharmaceutically acceptable salt 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 as antiinflammatory agents.
    Type: Grant
    Filed: February 15, 1989
    Date of Patent: July 17, 1990
    Assignee: American Home Products Corporation
    Inventors: John H. Musser, Reinhold H. W. Bender, Anthony F. Kreft, III
  • Patent number: 4904786
    Abstract: There are disclosed compounds of the formula ##STR1## wherein R.sup.1 is ##STR2## n is 0-5; R.sup.2 is hydrogen, loweralkyl, loweralkoxy, lower alkoxycarbonyl, trifluoromethyl, nitro, cyano or halo;R.sup.3 is hydrogen or loweralkyl;R.sup.4 hydrogen, lower alkyl, --COOR.sup.3 or ##STR3## R.sup.5 is lower alkyl, monofluoroloweralkyl, difluoroloweralkyl, polyfluoroloweralkyl, perfluoroloweralkyl or ##STR4## 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 as antiinflammatory agents.
    Type: Grant
    Filed: August 11, 1988
    Date of Patent: February 27, 1990
    Assignee: American Home Products Corporation
    Inventors: John H. Musser, Dennis M. Kubrak, Anthony F. Kreft, III, Reinhold H. W. Bender
  • Patent number: 4895953
    Abstract: There are disclosed compounds of the formula ##STR1## wherein ##STR2## n is 0-5; R.sup.2 is hydrogen, loweralkyl, loweralkoxy, lower alkoxycarbonyl, trifluoromethyl, nitro, cyano or halo;R.sup.3 ##STR3## W represents a bond or --O--, --S-- or ##STR4## m is 1-15; R.sup.4 is hydrogen or loweralkyl;R.sup.5 is lower alkyl, monofluoroloweralkyl, difluoroloweralkyl, polyfluoroloweralkyl, perfluoroloweralkyl or ##STR5## R.sup.6 is hydrogen, lower alkyl, --COOR.sup.4 or ##STR6## 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 as antiinflammatory agents.
    Type: Grant
    Filed: February 15, 1989
    Date of Patent: January 23, 1990
    Assignee: American Home Products Corporation
    Inventors: John H. Musser, Reinhold H. W. Bender, Anthony F. Kreft, III
  • Patent number: 4876346
    Abstract: There are disclosed compounds of the formula ##STR1## wherein X is N or CR.sup.1Y is O, S, NR.sup.1, CHR.sup.1 or C(R.sup.1).sub.2 when n=O, or N or CR.sup.1 when n=1;p is 0-3;R.sup.1 is hydrogen or lower alkyl;R.sup.2 is H, ##STR2## --SO.sub.2 R.sup.3 or --SO.sub.2 N(R.sup.3).sub.2, lower alkyl, lower alkenyl, lower alkynyl or lower alkyl carbonyl prolinate;R.sup.3 is H, lower alkyl or perfluoro lower alkyl;R.sup.4 is lower alkyl, phenyl, pyridyl or thienyl;R.sup.5 is hydrogen, lower alkyl, phenyl or pyridyl;A is O or NR.sup.1 ;B is OR.sup.1 or N(R.sup.5).sub.2 ;m is 0-2;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 15, 1986
    Date of Patent: October 24, 1989
    Assignee: American Home Products Corporation
    Inventors: John H. Musser, Anthony F. Kreft, III, Reinhold H. W. Bender
  • Patent number: 4826990
    Abstract: There are disclosed compounds of the formula ##STR1## wherein X is ##STR2## Y is ##STR3## Z is ##STR4## R.sup.1 is ##STR5## n is 0-5; R.sup.2 is hydrogen, loweralkyl, loweralkoxy, lower alkoxycarbonyl, trifluoromethyl, nitro, cyano or halo;R.sup.3 is ##STR6## W represents a bond or ##STR7## m is 1-15; R.sup.4 is hydrogen or loweralkyl;R.sup.5 is lower alkyl, monofluoroloweralkyl, difluoroloweralkyl, polyfluoroloweralkyl, perfluoroloweralkyl or ##STR8## R.sup.6 is hydrogen, lower alkyl, ##STR9## 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 as antiinflammatory agents.
    Type: Grant
    Filed: September 30, 1987
    Date of Patent: May 2, 1989
    Assignee: American Home Products Corporation
    Inventors: John H. Musser, Reinhold H. W. Bender, Anthony F. Kreft, III
  • Patent number: 4772703
    Abstract: There are disclosed compounds of the formula ##STR1## wherein ##STR2## R.sup.2 is hydrogen, loweralkyl, loweralkoxy, lower alkoxycarbonyl, trifluoromethyl, nitro, cyano or halo;R.sup.3 is hydrogen or loweralkyl;R.sup.4 is hydrogen, lower alkyl, --COOR.sup.3 or ##STR3## R.sup.5 is lower alkyl, monofluoroloweralkyl, difluoroloweralkyl, polyfluoroloweralkyl, perfluoroloweralkyl or ##STR4## 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 as antiinflammatory agents.
    Type: Grant
    Filed: May 15, 1987
    Date of Patent: September 20, 1988
    Assignee: American Home Products Corporation
    Inventors: John H. Musser, Dennis M. Kubrak, Anthony F. Kreft, III, Reinhold H. W. Bender