Patents Assigned to Boehringer Mannhein Italia, S.p.A.
  • Ethers and thioethers having therapeutical activity, their preparation and pharmaceutical compositions containing them
    Patent number: 4968706
    Abstract: Compounds of formula I ##STR1## wherein Ar is an optionally substituted phenyl ring; B is a single bond, a group --(CH.sub.2 OCH.sub.2).sub.n being n=1 or 2, a 2,4-disubstituted-1,3-dioxolane ring or a 2,4-disubstituted-1,3-thioxolane ring, R is a single bond, an optionally substituted methylene or ethylene group and T is 2-, 3- or 4-pyridyl, an optionally salified or esterified carboxy group or a carboxyamide group. Said compounds are useful in treatment of respiratory diseases.
    Type: Grant
    Filed: August 11, 1988
    Date of Patent: November 6, 1990
    Assignee: Boehringer Mannhein Italia, S.p.A.
    Inventors: Silvano Spinelli, Roberto Di Domenico, Ernesto Menta, Bruno Lumachi, Licia Gallico, Sergio Tognella