Patents Represented by Attorney Mary-Ellen M. Timbers
  • Patent number: 4454336
    Abstract: This disclosure describes a novel process for the synthesis of 5-mercapto-1,2,3-thiadiazoles which are useful as intermediates in the preparation of antibacterial agents.
    Type: Grant
    Filed: September 27, 1982
    Date of Patent: June 12, 1984
    Assignee: American Cyanamid Company
    Inventors: William V. Curran, Martin L. Sassiver, James H. Boothe
  • Patent number: 4435329
    Abstract: Novel compounds are described having the formula ##STR1## wherein Z is ##STR2## R.sub.1 is hydrogen or a C.sub.1 -C.sub.4 lower alkyl; R.sub.2 is hydrogen, a C.sub.1 -C.sub.4 lower alkyl, hydroxy-R.sub.8 -, lower alkyl-R.sub.8 -, mercapto-R.sub.8 -, cyclohexyl, cyclopentyl, phenyl, phenyl-R.sub.8 -, indolyl-R.sub.8 -, carboxy-R.sub.8 -, amino-R.sub.8 - or carbamoyl-R.sub.8 -, wherein R.sub.8 - is a divalent C.sub.1 -C.sub.6 straight chain parafinic moiety; R.sub.3 is hydrogen or C.sub.1 -C.sub.4 lower alkyl; R.sub.4 is hydrogen, lower alkanoyl, benzoyl or phenyl-substituted-lower alkanoyl; R.sub.5 is hydrogen or a C.sub.1 -C.sub.4 lower alkyl; R.sub.1, R.sub.2 and R.sub.5 excluding tertiary butyl; ARYL is 1-naphthyl, 2-naphthyl, 4-chloro-1-naphthyl, 4-methoxy-1-naphthyl, 5,6,7,8-tetrahydro-1-naphthyl, 5,6,7,8-tetrahydro-2-naphthyl, 4-biphenylyl, 5-indanyl, 4-indanyl, phenyl, or substituted phenyl moieties having the formula ##STR3## wherein R.sub.
    Type: Grant
    Filed: October 16, 1981
    Date of Patent: March 6, 1984
    Assignee: American Cyanamid Company
    Inventors: Francis J. McEvoy, Jay D. Albright
  • Patent number: 4431661
    Abstract: Novel compounds are disclosed having the formula ##STR1## wherein R.sub.1, R.sub.2 and R.sub.3 are each individually selected from the class consisting essentially of hydrogen, hydroxy, chloro, bromo, an alkyl radical having up to 3 carbon atoms, an alkoxy radical having up to 3 carbon atoms, and trifluoromethyl, and any two or more of R.sub.1, R.sub.2 and R.sub.3 may be the same; R.sub.4 is selected from the class consisting essentially of hydrogen, an alkyl radical having up to 3 carbon atoms, an allyl radical having up to 4 carbon atoms, the cyclopropylmethyl radical or the phenethyl radical; and W and W' each represent a monovalent alkyl moiety having up to 3 carbon atoms or W-W' jointly represent a divalent moiety of the formula ##STR2## where n is an integer of 2 or 3, including individual optically active isomers, racemic mixtures thereof, and non-toxic pharmacologically-acceptable acid-addition salts thereof. Such compounds are useful as analgesics in mammals.
    Type: Grant
    Filed: August 20, 1981
    Date of Patent: February 14, 1984
    Assignee: American Cyanamid Company
    Inventors: Thomas C. McKenzie, Joseph W. Epstein, William J. Fanshawe
  • Patent number: 4431833
    Abstract: Degradation of E-type prostaglandin compounds is retarded by dissolving or suspending such compounds in formulations containing hydroxylated derivatives of fatty acids having the formula: ##STR1## wherein R.sub.1 is C.sub.2 -C.sub.24 alkyl, R.sub.2 is C.sub.2 -C.sub.24 alkyl and n is an integer from 1-6, denoting from 1 to 6 hydroxyl groups which may be substituted in R.sub.1 or R.sub.2.
    Type: Grant
    Filed: December 27, 1982
    Date of Patent: February 14, 1984
    Assignee: American Cyanamid Company
    Inventors: Shahid A. Lodhi, Bernard Sims
  • Patent number: 4404374
    Abstract: 7-acetamidocephalosporins are disclosed herein which are substituted at position 3 of the cephalosporin nucleus with the group ##STR1## wherein R.sub.2 is selected from the group hydrogen, amino, C.sub.1 to C.sub.6 alkylamino and di-C.sub.1 to C.sub.6 alkylamino and R.sub.3, R.sub.4 and R.sub.5 are the same or different and are selected from the group hydrogen, hydroxy, C.sub.1 to C.sub.6 alkyl, C.sub.1 to C.sub.6 alkoxy, trifluoromethyl, phenyl, substituted phenyl, heterocyclic aryl, and R.sub.3 and R.sub.4 or R.sub.4 and R.sub.5 taken together are the moiety --CH.sub.2 (CH.sub.2).sub.2 CH.sub.2 --.
    Type: Grant
    Filed: April 12, 1982
    Date of Patent: September 13, 1983
    Assignee: American Cyanamid Company
    Inventors: James H. Boothe, Adma S. Ross
  • Patent number: 4404375
    Abstract: 7-acetamidocephalosporins are disclosed herein which are substituted at position 3 of the cephalosporin nucleus with the group ##STR1## wherein R.sub.2 is selected from the group hydrogen, amino, C.sub.1 to C.sub.6 alkylamino and di-C.sub.1 to C.sub.6 alkylamino and R.sub.3, R.sub.4 and R.sub.5 are the same or different and are selected from the group hydrogen, hydroxy, C.sub.1 to C.sub.6 alkyl, C.sub.1 to C.sub.6 alkoxy, trifluoromethyl, phenyl, substituted phenyl, heterocyclic aryl, and R.sub.3 and R.sub.4 or R.sub.4 and R.sub.5 taken together are the moiety --CH.sub.2 (CH.sub.2).sub.2 CH.sub.2 --.
    Type: Grant
    Filed: April 12, 1982
    Date of Patent: September 13, 1983
    Assignee: American Cyanamid Company
    Inventors: James H. Boothe, Adma S. Ross
  • Patent number: 4404376
    Abstract: 7-acetamidocephalosporins are disclosed herein which are substituted at position 3 of the cephalosporin nucleus with the group ##STR1## wherein R.sub.2 is selected from the group hydrogen, amino, C.sub.1 to C.sub.6 alkylamino and di-C.sub.1 to C.sub.6 alkylamino and R.sub.3, R.sub.4 and R.sub.5 are the same or different and are selected from the group hydrogen, hydroxy, C.sub.1 to C.sub.6 alkyl, C.sub.1 to C.sub.6 alkoxy, trifluoromethyl, phenyl, substituted phenyl, heterocyclic aryl, and R.sub.3 and R.sub.4 or R.sub.4 and R.sub.5 taken together are the moiety --CH.sub.2 (CH.sub.2).sub.2 CH.sub.2 --.
    Type: Grant
    Filed: April 12, 1982
    Date of Patent: September 13, 1983
    Assignee: American Cyanamid Company
    Inventors: James H. Boothe, Adma S. Ross
  • Patent number: 4402958
    Abstract: This disclosure describes novel 5-,6- and 8-(phenyl and substituted phenyl)-1,2,4-triazolo[4,3-a]pyrazines which posses utility as anxiolytic agents.
    Type: Grant
    Filed: November 19, 1981
    Date of Patent: September 6, 1983
    Assignee: American Cyanamid Company
    Inventors: Patrick T. Izzo, Robert A. Hardy, Jr.
  • Patent number: 4399132
    Abstract: 7-Beta-[alpha-syn-methoxyimino-alpha-(2-aminothiazol-4-yl)acetamido]-3-[(1, 2,3-thiadiazol-5-ylthio)methyl]-3-cephem-4-carboxylic acid and C.sub.1 -C.sub.6 alkyl derivatives thereof, useful as antibacterial agents.
    Type: Grant
    Filed: July 8, 1981
    Date of Patent: August 16, 1983
    Assignee: American Cyanamid Company
    Inventors: William V. Curran, Adma S. Ross
  • Patent number: 4389399
    Abstract: Novel 1,4-di(substituted amino)-5,8-dihydroxyanthraquinones wherein the substituents are alkyl-oxazolidin-2-thion-3-yl or alkyl tetrahydro-2H-1,3-oxazine-2-thione-3-yl groups as antitumor agents and as chelating agents are described.
    Type: Grant
    Filed: February 4, 1982
    Date of Patent: June 21, 1983
    Assignee: American Cyanamid Company
    Inventor: Keith C. Murdock
  • Patent number: 4375469
    Abstract: Novel 1,4-di(substituted amino)-5,8-dihydroxyanthraquinones wherein the substituents are alkylamino alcohol and/or alkyl cyclicamide and their pharmacologically acceptable acid-addition salts useful as antitumor and chelating agents are described.
    Type: Grant
    Filed: February 4, 1982
    Date of Patent: March 1, 1983
    Assignee: American Cyanamid Company
    Inventor: Keith C. Murdock
  • Patent number: 4374988
    Abstract: Novel pyrimidine compounds are disclosed of the class represented by the formula: ##STR1## wherein R.sub.1 is selected from the class consisting essentially of hydrogen, chloro, bromo, cyano (--CN), carbamoyl (--CO--NH.sub.2), carboxyl (--COOH), and lower alkoxycarbonyl (--CO--O--R.sub.3, where R.sub.3 is a lower alkyl radical having 1-4 carbon atoms), and wherein R.sub.2 is a monovalent radical selected from the class consisting essentially of furyl, thienyl, 3-pyridyl and 3-pyridyl-N-oxide, either of said pyridyl radicals optionally being substituted with an alkyl radical having from 1 to 4 carbon atoms. Processes of preparing such compounds are disclosed.The novel compounds are useful as anxiolytic agents in ameliorating anxiety in a mammal.
    Type: Grant
    Filed: November 5, 1981
    Date of Patent: February 22, 1983
    Assignee: American Cyanamid Company
    Inventors: John P. Dusza, Jay D. Albright