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).
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Patent number: 5486524Abstract: A compound of the structure ##STR1## where the substituents are defined in the specification.Type: GrantFiled: May 24, 1995Date of Patent: January 23, 1996Assignee: American Home Products CorporationInventors: Amedeo A. Failli, Oleg I. Bleyman, Wenling Kao, Magid A. Abou-Gharbia
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Patent number: 5486522Abstract: 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: GrantFiled: May 24, 1995Date of Patent: January 23, 1996Assignee: American Home Products CorporationInventors: Amedeo A. Failli, Oleg I. Bleyman, Wenling Kao, Magid A. Abou-Gharbia
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Patent number: 5484790Abstract: 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: GrantFiled: May 24, 1995Date of Patent: January 16, 1996Assignee: American Home Products CorporationInventors: Amedeo A. Failli, Oleg I. Bleyman, Wenling Kao, Magid A. Abou-Gharbia
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Patent number: 5484791Abstract: 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: GrantFiled: May 24, 1995Date of Patent: January 16, 1996Assignee: American Home Products CorporationInventors: Amedeo A. Failli, Oleg I. Bleyman, Wenling Kao, Magid A. Abou-Gharbia
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Patent number: 5480988Abstract: 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: GrantFiled: August 2, 1994Date of Patent: January 2, 1996Assignee: American Home Products CorporationInventors: Amedeo A. Failli, Oleg I. Bleyman, Wenling Kao, Magid A. Abou-Gharbia
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Patent number: 5480989Abstract: 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: GrantFiled: September 1, 1994Date of Patent: January 2, 1996Assignee: American Home Products CorporationInventors: Wenling Kao, Magid A. Abou-Gharbia, Robert L. Vogel
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Patent number: 5434260Abstract: 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: GrantFiled: June 14, 1994Date of Patent: July 18, 1995Assignee: American Home Products CorporationInventors: Jerauld S. Skotnicki, Yvette L. Palmer, Wenling Kao, Magid A. Abou-Gharbia
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Patent number: 5416086Abstract: 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: GrantFiled: April 22, 1994Date of Patent: May 16, 1995Assignee: American Home Products CorporationInventors: Wenling Kao, Robert L. Vogel
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Patent number: 5411967Abstract: 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: GrantFiled: April 8, 1994Date of Patent: May 2, 1995Assignee: American Home Products CorporationInventors: Wenling Kao, Jerauld S. Skotnicki, Magid A. Abou-Gharbia, Yvette L. Palmer
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Patent number: 5378836Abstract: 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: GrantFiled: October 8, 1993Date of Patent: January 3, 1995Assignee: American Home Products CorporationInventors: Wenling Kao, Robert L. Vogel, Magid A. Abou-Gharbia, Craig E. Caufield
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Patent number: 5349060Abstract: 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: GrantFiled: May 6, 1993Date of Patent: September 20, 1994Assignee: American Home Products CorporationInventors: Wenling Kao, Robert L. Vogel
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Patent number: 5346893Abstract: 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: GrantFiled: May 19, 1993Date of Patent: September 13, 1994Assignee: American Home Products CorporationInventors: Amedeo Failli, Wenling Kao, Robert J. Steffan, Robert L. Vogel
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Patent number: 5302584Abstract: 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: GrantFiled: April 23, 1993Date of Patent: April 12, 1994Assignee: American Home Products CorporationInventors: Wenling Kao, Magid A. Abou-Gharbia, Robert L. Vogel
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Patent number: 5262423Abstract: 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: GrantFiled: October 29, 1992Date of Patent: November 16, 1993Assignee: American Home Products CorporationInventor: Wenling Kao
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Patent number: 5262424Abstract: 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: GrantFiled: November 17, 1992Date of Patent: November 16, 1993Assignee: American Home Products CorporationInventor: Wenling Kao
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Patent number: 5260299Abstract: 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: GrantFiled: July 21, 1992Date of Patent: November 9, 1993Assignee: American Home Products CorporationInventors: Amedeo A. Failli, Wenling Kao, Robert J. Steffan, Robert L. Vogel
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Patent number: 5194447Abstract: 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: GrantFiled: February 18, 1992Date of Patent: March 16, 1993Assignee: American Home Products CorporationInventor: Wenling Kao
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Patent number: 5177203Abstract: 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: GrantFiled: March 5, 1992Date of Patent: January 5, 1993Assignee: American Home Products CorporationInventors: Amedeo A. Failli, Wenling Kao, Robert J. Steffan, Robert L. Vogel
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Patent number: 5120727Abstract: 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: GrantFiled: May 29, 1991Date of Patent: June 9, 1992Assignee: American Home Products CorporationInventors: Wenling Kao, Robert L. Vogel, John H. Musser
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Patent number: 5120725Abstract: 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: GrantFiled: May 29, 1991Date of Patent: June 9, 1992Assignee: American Home Products CorporationInventors: Wenling Kao, Robert L. Vogel, John H. Musser