Amino Nitrogen Bonded Directly To The Carbon Patents (Class 564/321)
  • Patent number: 4948813
    Abstract: The invention relates to benzylketone phospholipase A.sub.2 inhibitors, pharmaceutical compositions containing them, and methods of treating phospholipase A.sub.2 -mediated conditions in mammals by administration of a therapeutically effective amount of such a benzylketone phospholipase A.sub.2 inhibitor. These compounds are also intermediates in the synthesis of other PLA.sub.2 inhibitors.
    Type: Grant
    Filed: July 28, 1989
    Date of Patent: August 14, 1990
    Assignee: E. I. Du Pont de Nemours and Company
    Inventor: Wendell W. Wilkerson
  • Patent number: 4725302
    Abstract: Phenylhydrazines of the formula I ##STR1## wherein R.sub.1 is --A--R--Z,A is oxygen, sulfur, ##STR2## R is C.sub.1 -C.sub.6 -alkylene, C.sub.1 -C.sub.6 -haloalkyl-C.sub.1 -C.sub.6 -alkylene, C.sub.1 -C.sub.6 -alkoxy-C.sub.1 -C.sub.6 -alkylene or C.sub.1 -C.sub.6 -alkylthio-C.sub.1 -C.sub.6 -alkylene,Z is halogen, C.sub.1 -C.sub.6 -haloalkyl, C.sub.1 -C.sub.6 -alkoxy, C.sub.1 -C.sub.6 -alkylthio, C.sub.1 -C.sub.6 -alkylsulfinyl or C.sub.1 -C.sub.6 -alkylsulfonyl, orR and Z together are ##STR3## R.sub.2 is hydrogen, halogen, C.sub.1 -C.sub.6 -alkyl, C.sub.1 -C.sub.6 -alkoxy, C.sub.1 -C.sub.6 -alkylthio or (C.sub.1 -C.sub.6 -alkyl).sub.2 amino,n is a number from 1-4, and R.sub.2 can be different when n is one of the numbers 2-4,R.sub.3 is halogen,R.sub.4 is hydrogen,R.sub.5 is --COOR.sub.6, orR.sub.3, R.sub.4 and R.sub.5 together form a bridge member of the formula ##STR4## and R.sub.6 is C.sub.1 -C.sub.6 -alkyl, C.sub.2 -C.sub.6 -alkenyl or C.sub.2 -C.sub.6 -alkynyl.
    Type: Grant
    Filed: November 20, 1985
    Date of Patent: February 16, 1988
    Assignee: Ciba-Geigy Corporation
    Inventor: Josef Ehrenfreund
  • Patent number: 4514573
    Abstract: This invention relates to new isoprenylamine derivatives and acid addition salts thereof, which are useful for controlling virus infection of vertebrate animals.
    Type: Grant
    Filed: May 12, 1982
    Date of Patent: April 30, 1985
    Assignee: Nisshin Flour Milling Co., Ltd.
    Inventors: Yoshiyuki Tahara, Yasuhiro Komatsu, Hiroyasu Koyama, Reiko Kubota, Teruhito Yamaguchi, Toshihiro Takahashi
  • Patent number: 4372956
    Abstract: A 5,10-dihydroimidazo[2,1-b]quinazoline in which at least one ring carbon atom, other than the carbon atom in the 2-position, bears a substituent, or a pharmaceutically acceptable acid addition salt thereof is a useful cardiotonic agent and vasodilator in heart insufficiency and a blood platelet aggregation inhibitor.
    Type: Grant
    Filed: November 18, 1980
    Date of Patent: February 8, 1983
    Assignee: Sandoz Ltd.
    Inventor: Hans Ott
  • Patent number: 4340756
    Abstract: Novel halophenyl and loweralkyl substituted halophenyl polyamines are useful antimicrobial agents, as well as algae inhibitors. They are especially useful because of their low toxicity, and as such are advantageously included as the active agent in surgical scrubs, antibacterial soaps, as preservatives in cosmetic preparations, and the like.
    Type: Grant
    Filed: February 4, 1981
    Date of Patent: July 20, 1982
    Assignee: Merck & Co., Inc.
    Inventors: Richard A. Dybas, Nathaniel Grier, Bruce E. Witzel
  • Patent number: 4315020
    Abstract: Certain phenyl amines have been prepared wherein the "methyl" carbon is substituted with a polyfluoroalkyl radical. The compounds form acid addition salts, exist in resolvable stereoisomeric forms, and are useful for treating hypertension. Formulations for human and veterinary medicine are described, as well as methods of use.
    Type: Grant
    Filed: October 15, 1980
    Date of Patent: February 9, 1982
    Assignee: Science Union et Cie
    Inventors: Charles E. Malen, Pierre Roger, Michel Laubie
  • Patent number: 4246424
    Abstract: A method for racemization of optically active amines which comprises contacting an optically active amine of the formula: ##STR1## wherein C* is an asymmetric carbon atom, R.sub.1 is alkyl, aralkyl or aryl and R.sub.2 is aryl or alkoxycarbonyl, the aryl or aralkyl moiety bearing optionally one or more alkyl or alkoxy groups on the aromatic ring, provided that R.sub.1 and R.sub.2 are always different from each other, with a catalyst comprising an alkali metal and a polycyclic aromatic hydrocarbon until a sufficient amount of the optically active amine is racemized.
    Type: Grant
    Filed: May 14, 1976
    Date of Patent: January 20, 1981
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Tsuneyuki Nagase, Gohu Suzukamo, Yoshio Suzuki