Preparing Directly By Halogenation Patents (Class 564/178)
  • Methine dyes having a pyridyl group and a pyridyl or a quinolinyl group
    Patent number: 4876347
    Abstract: Methine dyes (I) which conform in one of their tautomeric forms to the general formula ##STR1## where Y.sup.1 is in both or either case an electron-attracting group and the other Y.sup.1 is hydrogen,Y.sup.2 is in each case, independently of the others, hydrogen, --CN, halogen, C.sub.1 -C.sub.6 -alkyl, C.sub.5 -C.sub.7 -cycloalkyl, phenyl, pyridyl or together with a further Y.sup.2 a five- or six-membered ring which may have a fused-on benzene ring,R is hydrogen, C.sub.1 -C.sub.20 -alkyl, C.sub.7 -C.sub.10 -aralkyl or .beta.
    Type: Grant
    Filed: March 24, 1988
    Date of Patent: October 24, 1989
    Assignee: BASF Aktiengesellschaft
    Inventors: Ewald Daltrozzo, Werner Sulger
  • Anti-inflammatory 1-phenylethanolamine derivatives pharmaceutical compositions thereof and processes for their manufacture
    Patent number: 4355045
    Abstract: The invention relates to topically anti-inflammatory 1-phenylethanolamine derivatives of the general formula I: ##STR1## or acid-addition salts thereof, to pharmaceutical compositions thereof, and to analogy processes for their manufacture. A representative compound is 1-(4-amino-3,5-dichlorophenyl)-2-[1,1-dimethyl-2-(2-phenylacetamido)ethyla mino]ethanol. The derivatives are useful in particular for the treatment of inflammatory diseases or conditions of the skin.
    Type: Grant
    Filed: August 3, 1978
    Date of Patent: October 19, 1982
    Assignee: Imperial Chemical Industries Limited
    Inventors: John Preston, Austin J. Reeve