Patents Represented by Attorney, Agent or Law Firm Arnold S. Milowsky
  • Patent number: 5488054
    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, alkoxykyl, 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 radio that may be optionally mono-, di-, or tri-substituted; and m=1-6;with the proviso that R.sup.1 and R.sup.
    Type: Grant
    Filed: May 24, 1995
    Date of Patent: January 30, 1996
    Assignee: American Home Products Corporation
    Inventors: Amedeo A. Failli, Oleg J. Bleyman, Wenling Kao, Magid A. Abou-Charbia
  • 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: 5486523
    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.ident.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: 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: 5484806
    Abstract: There are disclosed compounds of the formula: ##STR1## wherein R.sup.1 is hydrogen, alkyl, cycloalkyl, arylalkyl, --(CH.sub.2).sub.r CH.dbd.CH.sub.2, --(CH.sub.2).sub.s OY, --(CH.sub.2).sub.t CH(OZ)CH.sub.3, or Ar;X is O, S, or NR.sup.2 ;Y and Z are each, independently, hydrogen, alkyl, or --COR.sup.3 ;R.sup.2 and R.sup.3 are each, independently, hydrogen, alkyl, or arylalkyl;Ar is an aryl radical that may be optionally substituted;m=1-5;n=0-1;p=1-9;r=0-6;s=2-6; andt=0-6or a pharmaceutically acceptable salt thereof which are useful as antiinflammatory agents.
    Type: Grant
    Filed: May 8, 1995
    Date of Patent: January 16, 1996
    Assignee: American Home Products Corporation
    Inventor: Dominic Mobilio
  • 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: 5463048
    Abstract: A compound of the structure ##STR1## wherein R and R.sup.1 are each, independently, hydrogen, or ##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, --CF.sub.3, --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;Ar is phenyl, naphthyl, or hetaryl, wherein the foregoing may be optionally substituted; with the proviso that R and R.sup.1 are both not hydrogen, or a pharmaceutically acceptable salt thereof which is useful as an immunosuppressive, antiinflammatory, antifungal, antiproliferative, and antitumor agent.
    Type: Grant
    Filed: June 14, 1994
    Date of Patent: October 31, 1995
    Assignee: American Home Products Corporation
    Inventors: Jerauld S. Skotnicki, Yvette L. Palmer
  • Patent number: 5455249
    Abstract: Background of the structure ##STR1## wherein R.sup.1 and R.sup.2 are each, independently, hydrogen, or ##STR2## R.sup.3 and R.sup.4 are each, independently, hydrogen, Ar, or --(CR.sup.6 R.sup.7).sub.a Y(CR.sup.8 R.sup.9).sub.b Z, or R.sup.3 and R.sup.4 may be taken together to form a 5-7 membered ring;R.sup.5 is hydrogen, alkyl, alkenyl, alkynyl, alkoxyalkyl, arylalkyl, cycloalkyl, or Ar;R.sup.6, R.sup.7, R.sup.8, and R.sup.9, 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, --SO.sub.3 R.sup.10, --OSO.sub.3 R.sup.10, --NR.sup.10 R.sup.11, --NHCOR.sup.10, --NHCO.sub.2 R.sup.10, --NHSO.sub.2 R.sup.10, --NHSO.sub.3 R.sup.10, or Ar;X is O or NOR.sup.12 ;Y is --O--, --CH.sub.2 --, --NR.sup.13 --, --S--, --S(O)--, --S(O).sub.2 --, or --C(O)--;R.sup.10, R.sup.11, R.sup.
    Type: Grant
    Filed: October 21, 1994
    Date of Patent: October 3, 1995
    Inventors: Jerauld S. Skotnicki, Andri L. Smith
  • Patent number: 5446048
    Abstract: A compound of the structure ##STR1## wherein R.sup.1 is ##STR2## R.sup.2 is hydrogen, alkyl, alkenyl, alkynyl, trifluoromethyl, arylalkyl, or Ar;R.sup.3 is hydrogen, alkyl, alkenyl, alkynyl, trifluoromethyl, arylalkyl, or --CO.sub.2 R.sup.8 ;R.sup.4 is alkyl, alkenyl, alkynyl, trifluoromethyl, arylalkyl, Ar, aminoalkyl, thioalkyl, alkylthioalkyl, hydroxyalkyl, or --CO.sub.2 R.sup.8 ;R.sup.5 is hydrogen, alkyl, alkenyl, alkynyl, trifluoromethyl, arylalkyl, Ar, or --CO.sub.2 R.sup.8 ;R.sup.6 is hydrogen, alkyl, alkenyl, alkynyl, trifluoromethyl, arylalkyl, or Ar;R.sup.7 is alkyl, alkenyl, alkynyl, trifluoromethyl, arylalkyl, or Ar;R.sup.8 is hydrogen, alkyl, alkenyl, alkynyl, trifluoromethyl, arylalkyl, fluorenylmethyl, or Ar;Y is O or S;X is .dbd.N--O--(CH.sub.2).sub.f --Z or .dbd.N--O--Ar;Z is hydrogen, alkenyl, alkynyl, alkoxy, cyano, fluoro, trifluoromethyl, --NR.sup.5 R.sup.
    Type: Grant
    Filed: September 21, 1994
    Date of Patent: August 29, 1995
    Assignee: American Home Products Corporation
    Inventors: Amedeo A. Failli, Robert J. Steffan, Craig E. Caufield, David C. Hu, Alexander A. Grinfeld
  • Patent number: 5441977
    Abstract: A compound which is 21-norrapamycin or a pharmaceutically acceptable salt thereof, which is useful as an immunosuppressive, anti-inflammatory, antifungal, antitumor, and antiproliferative agent. 21-Norrapamycin has the following structure.
    Type: Grant
    Filed: March 1, 1994
    Date of Patent: August 15, 1995
    Assignee: American Home Products Corporation
    Inventors: Ralph J. Russo, Stanley R. Howell, Surendra N. Sehgal
  • 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: 5428058
    Abstract: There are disclosed compounds of the formula: ##STR1## wherein R.sup.1 is hydrogen, alkyl, cycloalkyl, arylalkyl, --(CH.sub.2).sub.r CH.dbd.CH.sub.2, --(CH.sub.2).sub.s OY, --(CH.sub.2).sub.t CH(OZ)CH.sub.3, or Ar;X is O, S, or NR.sup.2 ;Y and Z are each, independently, hydrogen, alkyl, or --COR.sup.3 ;R.sup.2 and R.sup.3 are each, independently, hydrogen, alkyl, or arylalkyl;Ar is an aryl radical that may be optionally substituted;m=1-5;n=0-1;p=1-9;r=0-6;s=2-6; andt=0-6or a pharmaceutically acceptable salt thereof which are useful as antiinflammatory agents.
    Type: Grant
    Filed: September 28, 1994
    Date of Patent: June 27, 1995
    Assignee: American Home Products Corporation
    Inventor: Dominic R. Mobilio
  • Patent number: 5395831
    Abstract: This invention relates to 8.alpha.-3-hydroxyestra- 1,3,5( 10),9( 11 )tetraen-17-one (.DELTA.9( 11 )-dehydro-8-isoestrone) (VI), ##STR1## to the process for its preparation, to pharmaceutical compositions containing said 8.alpha.-3-hydroxyestra- 1,3,5(10), 9(11)tetraen-17-one (.DELTA.9(11)-dehydro-8-isoestrone) (VI) and to the use of said 8.alpha.-3-hydroxyestra-1,3,5(10),9(11 )tetraen-17-one (A9( 11 )-dehydro-8-isoestrone) (VI) for modifying the balance between bone production and bone resorption, and as an antioxidant in a host animal, including man.
    Type: Grant
    Filed: April 8, 1994
    Date of Patent: March 7, 1995
    Assignee: American Home Products Corporation
    Inventors: Frederick O. Gemmill, Jr., Chester E. Orzech, Steven J. Adelman
  • Patent number: 5391730
    Abstract: A compound of the structure ##STR1## wherein R.sup.1 and R.sup.2 are each, independently, hydrogen, or ##STR2## R.sup.3 and R.sup.4 are each, independently, hydrogen, Ar, or --(CR.sup.6 R.sup.7).sub.a Y(CR.sup.8 R.sup.9).sub.b Z, or R.sup.3 and R.sup.4 may be taken together to form a 5-7 membered ring;R.sup.5 is hydrogen, alkyl, alkenyl, alkynyl, alkoxyalkyl, arylalkyl, cycloalkyl, or Ar;R.sup.6, R.sup.7, R.sup.8, and R.sup.9, 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, --SO.sub.3 R.sup.10, --OSO.sub.3 R.sup.10, --NR.sup.10 R.sup.11, --NHCOR.sup.10, --NHCO.sub.2 R.sup.10, --NHSO.sub.2 R.sup.10, --NHSO.sub.3 R.sup.10, or Ar;X is 0 or NOR.sup.12 ;Y is --O--, --CH.sub.2 --, --NR.sup.13 --, --S--, --S(O)--, --S(O).sub.2 --, or --C(O)--;R.sup.10, R.sup.11, R.sup.
    Type: Grant
    Filed: October 8, 1993
    Date of Patent: February 21, 1995
    Assignee: American Home Products Corporation
    Inventors: Jerauld S. Skotnicki, Andri L. Smith
  • Patent number: 5389639
    Abstract: This invention provides a compound of the structure ##STR1## wherein R.sup.1 and R.sup.2 are each, independently, hydrogen or ##STR2## R.sup.3 is --(CH.sub.2).sub.q CO.sub.2 R.sup.6 ;R.sup.4 is hydrogen, alkyl, or arylalkyl;R.sup.5 is hydrogen or COOR.sup.7 ;R.sup.6 is hydrogen, alkyl, alkenyl, arylalkyl, fluorenylmethyl, or phenyl which is optionally substituted;R.sup.7 is alkyl, alkenyl, arylalkyl, fluorenylmethyl, or phenyl which is optionally substituted;m is 0-4;n is 0-4;p is 1-2;q is 0-4;wherein R.sup.3, R.sup.4, m, and n are independent in each of the ##STR3## subunits when p=2; with the proviso that R.sup.1 and R.sup.2 are not both hydrogen; and further provided that if R.sup.5 is CO.sub.2 R.sup.7, then R.sup.6 is hydrogen; and still further provided that if R.sup.6 is not hydrogen, then R.sup.5 is hydrogen;or a pharmaceutically acceptable salt thereof which is useful as an immunosuppressive, antiinflammatory, antifungal, antiproliferative, and antitumor agent.
    Type: Grant
    Filed: December 29, 1993
    Date of Patent: February 14, 1995
    Assignee: American Home Products Company
    Inventors: Amedeo A. Failli, Robert J. Steffan
  • Patent number: 5385908
    Abstract: A compound of the structure ##STR1## wherein R and R.sup.1 are each, independently, ##STR2## or hydrogen; R.sup.2 and R.sup.3 are each, independently, alkyl, arylalkyl, or R.sup.2 and R.sup.3 may be taken together to form a cycloalkyl ring;R.sup.4 is a heterocyclic radical which may be optionally substituted;R.sup.5 is alkyl or arylalkyl;R.sup.6 and R.sup.7 are taken together to form a saturated heterocyclic ring which may be optionally substituted;k=0-1,m=0-1;n=1-6;with the proviso that R and R.sup.1 are not both hydrogen, or a pharmaceutically acceptable salt thereof, which is useful as an immunosuppressive, antiinflammatory, antifungal, antiproliferative, and antitumor agent.
    Type: Grant
    Filed: November 22, 1993
    Date of Patent: January 31, 1995
    Assignee: American Home Products Corporation
    Inventors: Frances C. Nelson, Guy A. Schiehser
  • Patent number: 5385910
    Abstract: Compounds of the structure ##STR1## R and R.sup.1 are each, independently, hydrogen, or ##STR2## R.sup.2 and R.sup.3 are each, independently, alkyl, arylalkyl, or may be taken together to form a cycloalkyl ring;R.sup.4 and R.sup.5 are each, independently, hydrogen, alkyl, arylalkyl, or may be taken together to form a saturated heterocycle wherein the heterocyclic ring may be optionally mono-, di-, or tri-substituted;m=0-1; andn=0-6;with the proviso that R and R.sup.1 are not both hydrogen, or a pharmaceutically acceptable salt thereof, and ##STR3## R.sup.1 is ##STR4## R.sup.2 and R.sup.3 are each, independently, hydrogen, alkyl, arylalkyl, or may be taken together to form a cycloalkyl ring;R.sup.4 and R.sup.
    Type: Grant
    Filed: November 22, 1993
    Date of Patent: January 31, 1995
    Assignee: American Home Products Corporation
    Inventors: Timothy D. Ocain, Guy A. Schiehser