Patents by Inventor Wenling Kao

Wenling Kao 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: 5486524
    Abstract: A compound of the structure ##STR1## where the substituents are defined in the specification.
    Type: Grant
    Filed: May 24, 1995
    Date of Patent: January 23, 1996
    Assignee: American Home Products Corporation
    Inventors: Amedeo A. Failli, Oleg I. Bleyman, Wenling Kao, Magid A. Abou-Gharbia
  • Patent number: 5486522
    Abstract: A compound of the structure ##STR1## wherein R.sup.1 and R.sup.2 are each, independently, hydrogen, --CONR.sup.3 (CR.sup.4 R.sup.5).sub.m (CR.sup.6 R.sup.7).sub.n (CR.sup.8 R.sup.9).sub.p NR.sup.10 R.sup.11, or ##STR2## or --CONR.sup.3 R.sup.13 ; R.sup.3 is hydrogen, alkyl, or arylalkyl;R.sup.4, R.sup.5, R.sup.8, and R.sup.9 are each, independently, hydrogen, alkyl, --OH, --CF.sub.3, or --F;R.sup.6 is hydrogen or --OR.sup.13 ;R.sup.7 is hydrogen or alkyl;R.sup.10 is hydrogen, alkyl, or arylalkyl;R.sup.11, R.sup.12, and R.sup.13 are each, independently, --(CR.sup.15 R.sup.16).sub.r R.sup.17 ;R.sup.14 is hydrogen, alkyl of 1-6 carbon atoms, tri-(alkyl)silyl, tri-(alkyl)silylethyl, triphenylmethyl, benzyl, alkoxymethyl, tri-(alkyl)silylethoxymethyl, or tetrahydropyranyl;R.sup.15 and R.sup.16 are each, independently, hydrogen or alkyl;R.sup.17 is ##STR3## or --C.tbd.C--R.sup.21 ; R.sup.18, R.sup.19, R.sup.20, and R.sup.
    Type: Grant
    Filed: May 24, 1995
    Date of Patent: January 23, 1996
    Assignee: American Home Products Corporation
    Inventors: Amedeo A. Failli, Oleg I. Bleyman, Wenling Kao, Magid A. Abou-Gharbia
  • Patent number: 5484790
    Abstract: A compound of the structure ##STR1## wherein R.sup.1 and R.sup.2 are each, independently, hydrogen, or --CONH--O--(CR.sup.3 R.sup.4).sub.m Z;R.sup.3 and R.sup.4 are each, independently, hydrogen, alkyl, cycloalkyl, --CF.sub.3, or F;Z is hydrogen, alkyl, --OR.sup.5, --SR.sup.5, --NR.sup.5 R.sup.6, --CN, --CF.sub.3, --OAr, --Ar, or R.sup.7 ;R.sup.5 and R.sup.6 are each, independently, hydrogen, alkyl, arylalkyl, alkenyl, alkynyl, alkoxyalkyl, alkylthioalkyl, alkylaminoalkyl, dialkylaminoalkyl, cycloalkyl, or Ar;R.sup.7 is ##STR2## or --C.tbd.C--R.sup.11 ; R.sup.8, R.sup.9, R.sup.10, and R.sup.11 are each, independently, hydrogen, alkyl of 1-6 carbon atoms, halogen, or phenyl, wherein the phenyl group may be optionally mono-, di-, or tri-substituted;Ar is an aryl radical that may be optionally mono-, di-, or tri-substituted; andm=1-6;with the proviso that R.sup.1 and R.sup.
    Type: Grant
    Filed: May 24, 1995
    Date of Patent: January 16, 1996
    Assignee: American Home Products Corporation
    Inventors: Amedeo A. Failli, Oleg I. Bleyman, Wenling Kao, Magid A. Abou-Gharbia
  • Patent number: 5484791
    Abstract: A compound of the structure ##STR1## wherein R.sup.1 and R.sup.2 are each, independently, hydrogen, or --CONH--O--(CR.sup.3 R.sup.4).sub.m Z;R.sup.3 and R.sup.4 are each, independently, hydrogen, alkyl, cycloalkyl, --CF.sub.3, or F;Z is hydrogen, alkyl, --OR.sup.5, --SR.sup.5, --NR.sup.5 R.sup.6, --CN, --CF.sub.3, --OAr, --Ar, or R.sup.7 ;R.sup.5 and R.sup.6 are each, independently, hydrogen, alkyl, arylalkyl, alkenyl, alkynyl, alkoxyalkyl, alkylthioalkyl, alkylaminoalkyl, dialkylaminoalkyl, cycloalkyl, or Ar;R.sup.7 is ##STR2## or --C.tbd.C--R.sup.11 ; R.sup.8, R.sup.9, R.sup.10, and R.sup.11 are each, independently, hydrogen, alkyl of 1-6 carbon atoms, halogen, or phenyl, wherein the phenyl group may be optionally mono-, di-, or tri-substituted;Ar is an aryl radical that may be optionally mono-, di-, or tri-substituted; andm=1-6;with the proviso that R.sup.1 and R.sup.
    Type: Grant
    Filed: May 24, 1995
    Date of Patent: January 16, 1996
    Assignee: American Home Products Corporation
    Inventors: Amedeo A. Failli, Oleg I. Bleyman, Wenling Kao, Magid A. Abou-Gharbia
  • Patent number: 5480988
    Abstract: A compound of the structure ##STR1## wherein R.sup.1 and R.sup.2 are each, independently, hydrogen, --CONR.sup.3 (CR.sup.4 R.sup.5).sub.m (CR.sup.4 R.sup.5).sub.n (CR.sup.8 R.sup.9).sub.p NR.sup.10 R.sup.11, or ##STR2## --R.sup.12, or --CONR.sup.3 R.sup.13 ; R.sup.3 is hydrogen, alkyl, or arylalkyl;R.sup.4, R.sup.5, R.sup.8, and R.sup.9 are each, independently, hydrogen, alkyl, p--OH, --CF.sub.3, or --F;R.sup.6 is hydrogen or --OR.sup.13 ;R.sup.7 is hydrogen or alkyl;R.sup.10 is hydrogen, alkyl, or arylalkyl;R.sup.11, R.sup.12, and R.sup.13 are each independently, --(CR.sup.15 R.sup.16).sub.r R.sup.17 ;R.sup.14 is hydrogen, alkyl of 1-6 carbon atoms, tri-(alkyl)silyl, Tri-(alkyl)silyethyl, triphenylmethyl, benzyl, alkoxymethyl, tri-(alkyl)silylethoxymethyl, or tetrahydropyranyl;R.sup.15 and R.sup.16 are each independently, hydrogen or alkyl; ##STR3## R.sup.18, R.sup.19, R.sup.20, and R.sup.
    Type: Grant
    Filed: August 2, 1994
    Date of Patent: January 2, 1996
    Assignee: American Home Products Corporation
    Inventors: Amedeo A. Failli, Oleg I. Bleyman, Wenling Kao, Magid A. Abou-Gharbia
  • Patent number: 5480989
    Abstract: A compound of the structure ##STR1## wherein R.sup.1 and R.sup.2,R.sup.3, R.sup.4, R.sup.5, R.sup.6, B,R.sup.7 and R.sup.8,R.sup.9 and R.sup.10,are each defined in the specification or a pharmaceutically acceptable salt their, of which is useful as an immunosuppressive, antiinflammatory, antifungal, antiproliferative, and antitumor agent.
    Type: Grant
    Filed: September 1, 1994
    Date of Patent: January 2, 1996
    Assignee: American Home Products Corporation
    Inventors: Wenling Kao, Magid A. Abou-Gharbia, Robert L. Vogel
  • Patent number: 5434260
    Abstract: A compound of the structure ##STR1## wherein R and R.sup.1 are each, independently, hydrogen, ##STR2## R.sup.2 and R.sup.3 are each, independently, hydrogen, alkyl, alkenyl, alkynyl. --CO.sub.2 R.sup.5, --COR.sup.5, --CN, --NO.sub.2, --SO.sub.2 R.sup.5, --SO.sub.3 R.sup.5, --OR.sup.5, --SR.sup.5, or Ar;R.sup.4 is hydrogen, alkyl, alkenyl, alkynyl, --CF3, --NR.sup.5 R.sup.6, --CO.sub.2 R.sup.5, --COR.sup.5, CONR.sup.5 R.sup.6, --NO.sub.2, halogen, --OR.sup.5, --SR.sup.5, --CN, --SO.sub.2 R.sup.5, --SO.sub.3 R.sup.5, --SO.sub.2 NR.sup.5 R.sup.6, or Ar;R.sup.5 and R.sup.6 are each, independently, hydrogen, alkyl, alkenyl, alkynyl, or Ar; ##STR3## are each, independently, a 5-7 membered saturated, unsaturated, or partially unsaturated heterocyclic radical, that is optionally fused to a phenyl ring or a cycloalkane or cycloalkene ring, wherein the heterocyclic ring may optionally contain O, S, or NR.sup.8 in the heterocyclic ring, and may be optionally substituted by R.sup.7 ;R.sup.
    Type: Grant
    Filed: June 14, 1994
    Date of Patent: July 18, 1995
    Assignee: American Home Products Corporation
    Inventors: Jerauld S. Skotnicki, Yvette L. Palmer, Wenling Kao, Magid A. Abou-Gharbia
  • Patent number: 5416086
    Abstract: A derivative of rapamycin of general formula (1) and (2) ##STR1## wherein ##STR2## 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.sup.- =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: April 22, 1994
    Date of Patent: May 16, 1995
    Assignee: American Home Products Corporation
    Inventors: Wenling Kao, Robert L. Vogel
  • Patent number: 5411967
    Abstract: A compound of the structure ##STR1## where the substituents are defined in the main body of the specification which is useful as an immunosuppressive, antiinflammatory, antifungal, antiproliferative, and antitumor agent.
    Type: Grant
    Filed: April 8, 1994
    Date of Patent: May 2, 1995
    Assignee: American Home Products Corporation
    Inventors: Wenling Kao, Jerauld S. Skotnicki, Magid A. Abou-Gharbia, Yvette L. Palmer
  • Patent number: 5378836
    Abstract: A compound of the structure ##STR1## wherein R.sup.1 and R.sup.2 are each, independently, hydrogen, --CONH.sub.a --{{(CR.sup.3 R.sup.4).sub.m (--A--(CR.sup.5 R.sup.6).sub.n).sub.p }.sub.q --B}.sub.r ; --SO.sub.2 R.sup.7 ; --SO.sub.3 H; --CHR.sup.8 O(CH.sub.2).sub.t R.sup.9 ; or ##STR2## R.sup.3, R.sup.4, R.sup.5, R.sup.6, and B are each, independently, hydrogen, alkyl, alkenyl, alkynyl, hydroxyalkyl, alkoxyalkyl, alkylthioalkyl, alkylaminoalkyl, dialkylaminoalkyl, arylalkyl, cycloalkyl, --OR.sup.10, --SR.sup.10, halogen, --CN, --NO.sub.2, --CF.sub.3, --COR.sup.10, --CO.sub.2 R.sup.10, --CONHR.sup.10, --SO.sub.2 R.sup.10, --OSO.sub.3 R.sup.10, --NR.sup.10 R.sup.11, --NHCOR.sup.10, --NHSO.sub.2 R.sup.10, or Ar;X is .dbd.NOR.sup.12 or .dbd.NNR.sup.12 R.sup.13 ;Y is O, .dbd.NOR.sup.12, or .dbd.NNR.sup.12 R.sup.13 ;R.sup.7, R.sup.12, and R.sup.13 are each, independently, hydrogen, alkyl, alkenyl, alkynyl, arylalkyl;R.sup.8, R.sup.9, R.sup.10, and R.sup.
    Type: Grant
    Filed: October 8, 1993
    Date of Patent: January 3, 1995
    Assignee: American Home Products Corporation
    Inventors: Wenling Kao, Robert L. Vogel, Magid A. Abou-Gharbia, Craig E. Caufield
  • 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: 5346893
    Abstract: The invention concerns compounds of formula (I) ##STR1## where R.sup.1 is alkyl, haloalkyl, alkenyl, or alkynyl containing 1 to 6 carbon atoms; or an aromatic moiety selected from phenyl, naphthyl and 4-(phenylaza) phenyl wherein said aromatic group is optionally substituted by one or more substituents selected from C.sub.1 -C.sub.6 alkyl, C.sub.1 -C.sub.6 alkoxy, hydroxy, amino, mono- or di-(C.sub.1 -C.sub.6)alkylamino, carboxy, (C.sub.1 -C.sub.6 alkoxy)carbonyl, C.sub.2 -C.sub.7 alkanoyl, (C.sub.1 -C.sub.6) thioalkyl, halo, cyano, nitro, trifuluoromethyl, trifluoromethoxy or R.sup.1 is a heteroaromatic group of 5 to 10 ring atoms containing oxygen, nitrogen and/or sulfur as heteroatom(s) wherein said heteroaromatic group is optionally substituted by one or more substituents selected form C.sub.1 -C.sub.6 alkyl, C.sub.1 -C.sub.6 alkoxy, hydroxy, amino, mono- or di-(C.sub.1 -C.sub.6)alkylamino, carboxy, (C.sub.1 -C.sub.6 alkoxy)carbonyl, C.sub.2 -C.sub.7 alkanoyl, (C.sub.1 -C.sub.
    Type: Grant
    Filed: May 19, 1993
    Date of Patent: September 13, 1994
    Assignee: American Home Products Corporation
    Inventors: Amedeo Failli, Wenling Kao, Robert J. Steffan, Robert L. Vogel
  • Patent number: 5302584
    Abstract: A compound of the structure ##STR1## wherein R.sup.1 and R.sup.2 are each, independently, hydrogen, --CONH--[(CR.sup.3 R.sup.4).sub.m (--A--(CR.sup.5 R.sup.6).sub.n).sub.p ].sub.q --B; ##STR2## R.sup.3, R.sup.4, R.sup.5, R.sup.6, and B are each, independently, hydrogen, alkyl, alkenyl, alkynyl, hydroxyalkyl, alkoxyalkyl, alkylthioalkyl, alkylaminoalkyl, dialkylaminoalkyl, arylalkyl, cycloalkyl, --OR.sup.7, --SR.sup.7, halogen, --CN, --NO.sub.2, --CF.sub.3, --COR.sup.7, --CO.sub.2 R.sup.7, --CONHR.sup.7, --SO.sub.2 R.sup.7, --OSO.sub.3 R.sup.7, --NR.sup.7 R.sup.8, --NHCOR.sup.7, --NHSO.sub.2 R.sup.7, or Ar;R.sup.7 and R.sup.8 are each, independently, hydrogen, alkyl, arylalkyl, alkenyl, alkynyl, hydroxyalkyl, alkoxyalkyl, alkylthioalkyl, alkylaminoalkyl, dialkylaminoalkyl, cycloalkyl;R.sup.9 and R.sup.10 are each, independently, alkyl, alkenyl, alkynyl, hydroxyalkyl, alkoxyalkyl, alkylthioalkyl, alkylaminoalkyl, dialkylaminoalkyl, arylalkyl, --CF.sub.3, --COR.sup.7, --CO.sub.2 R.sup.7, --CONHR.sup.7, --SO.sub.
    Type: Grant
    Filed: April 23, 1993
    Date of Patent: April 12, 1994
    Assignee: American Home Products Corporation
    Inventors: Wenling Kao, Magid A. Abou-Gharbia, Robert L. Vogel
  • Patent number: 5262423
    Abstract: N-arylcarbonyl and N-alkylcarbonyl carbamates of rapamycin of the formula shown below wherein ##STR1## R.sup.1 and R.sup.2 are both ##STR2## and where A is lower alkoxy or aryl or heteroaryl, R.sup.3 is H or methyl and R.sup.4 is C.sub.1 -C.sub.6 alkyl, C.sub.2 -C.sub.6 alkenyl or C.sub.2 -C.sub.6 alkynyl possess immunosuppressive and/or antifungal and/or antitumor and/or antiinflammatory activity in vitro and/or inhibit thymocyte proliferation in vivo. These compounds are thus expected to be useful in the treatment of transplantation rejection, autoimmune diseases, fungal infections, cancer, and diseases of inflammation.
    Type: Grant
    Filed: October 29, 1992
    Date of Patent: November 16, 1993
    Assignee: American Home Products Corporation
    Inventor: Wenling Kao
  • Patent number: 5262424
    Abstract: A compound of the structure ##STR1## wherein R.sup.1 and R.sup.2 are each, independently, hydrogen or --CONHSO.sub.2 --Ar; andAr is phenyl, naphthyl, pyridyl, quinolyl, isoquinolyl, quinoxalyl, thienyl, thionaphthyl, furyl, benzofuryl, benzodioxyl, benzoxazolyl, benzoisoxazolyl, or benzodioxolyl; wherein the Ar group may be optionally mono-, di-, or tri-substituted; with the proviso that R.sup.1 and R.sup.2 are not both hydrogen;or a pharmaceutically acceptable salt thereof 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: November 17, 1992
    Date of Patent: November 16, 1993
    Assignee: American Home Products Corporation
    Inventor: Wenling Kao
  • 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: 5194447
    Abstract: A compound of the structure ##STR1## wherein R.sup.1 and R.sup.2 are each, independently, hydrogen or --CONHSO.sub.2 -Ar; andAr is phenyl, naphthyl, pyridyl, quinolyl, isoquinolyl, quinoxalyl, thienyl, thionaphthyl, furyl, benzofuryl, benzodioxyl, benzoxazolyl, benzoisoxazolyl, or benzodioxolyl; wherein the Ar group may be optionally mono-, di, or tri-substituted; with the provision that R.sup.1 and R.sup.2 are not hydrogen; oror a pharmaceutically acceptable salt thereof 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: February 18, 1992
    Date of Patent: March 16, 1993
    Assignee: American Home Products Corporation
    Inventor: Wenling Kao
  • Patent number: 5177203
    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: March 5, 1992
    Date of Patent: January 5, 1993
    Assignee: American Home Products Corporation
    Inventors: Amedeo A. Failli, Wenling Kao, Robert J. Steffan, Robert L. Vogel
  • Patent number: 5120727
    Abstract: A rapamycin dimer of general formula (1) ##STR1## wherein A is --(CH.sub.2).sub.n --, --(CH.sub.2)n--(CH.dbd.CH)--(CH.sub.2).sub.m --, --(CH.sub.2)n--(--C.tbd.C--)--(CH.sub.2).sub.m --, ##STR2## substituted alkyl, substituted alkenyl, substituted alkynyl, and substituted aromatic; n=1-10, m=1-10 and n=m or n .noteq.mor 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: May 29, 1991
    Date of Patent: June 9, 1992
    Assignee: American Home Products Corporation
    Inventors: Wenling Kao, Robert L. Vogel, John H. Musser
  • Patent number: 5120725
    Abstract: A bicyclic derivative of rapamycin of general formula (1) ##STR1## wherein ##STR2## n=2 to 10, m=2 to 10 andn=m or n.noteq.mor 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: May 29, 1991
    Date of Patent: June 9, 1992
    Assignee: American Home Products Corporation
    Inventors: Wenling Kao, Robert L. Vogel, John H. Musser