Plural Ring Hetero Atoms In The Additional Hetero Ring Patents (Class 544/148)
  • Esters and amides of 3-aryl-1,4 benzodioxan-2-carboxylic acids
    Patent number: 4046762
    Abstract: 1,4-Benzodioxan derivatives of the formula: ##STR1## IN WHICH Ar is an aryl group and X is --OR, where R is hydroxyalkyl, aminoalkyl, or aminoalkoxyalkyl, or ##STR2## where R.sub.1 and R.sub.2 are hydrogen, hydroxyl, alkyl, aryl, or aralkyl or are joined together to form an alkylene group which may contain an oxygen, sulphur or nitrogen hetero atom, have interesting pharmacological properties.
    Type: Grant
    Filed: October 17, 1973
    Date of Patent: September 6, 1977
    Assignee: Instituto Luso Farmaco D'Italia S.r.l.
    Inventors: Elso Manghisi, Aldo Salimbeni