The Nitrogen Is Double Or Triple Bonded Directly To Carbon Patents (Class 548/505)
  • Chiral amino-alcohol complexes
    Patent number: 4383112
    Abstract: Chiral Schiff bases according to the general formula: ##STR1## and transition metal complexes thereof, wherein C.sup.* is an asymmetric carbon atom, R.sup.1 and R.sup.2, which may be the same or different are alkyl, aralkyl, aryl or alkaryl, R.sup.3 is hydrogen, alkyl, aralkyl, aryl or alkaryl, R.sup.4 and R.sup.5, which may be the same or different, are hydrogen or lower alkyl or, where n is 1, may with the cyclic ring to which CR.sup.4 R.sup.
    Type: Grant
    Filed: July 8, 1980
    Date of Patent: May 10, 1983
    Assignee: Imperial Chemical Industries Limited
    Inventors: Dale A. Laidler, David J. Milner
  • 3-Aminopropoxyaryl derivatives, their preparation and pharmaceutical compositions containing them
    Patent number: 4361562
    Abstract: The compounds of formula I ##STR1## where R.sub.1, R.sub.2 and R have various significances, and physiologically acceptable hydrolyzable derivatives thereof having the hydroxy group in the 2 position of the 3-aminopropoxy side chain in esterified form, are useful as cardiotonic, anti-arrhythmic, .alpha.- and .beta.-adrenoceptor blocking agents.
    Type: Grant
    Filed: August 4, 1980
    Date of Patent: November 30, 1982
    Assignee: Sandoz Ltd.
    Inventor: Richard Berthold