Patents Assigned to Laboratorios Delagrange
  • Calcium antagonist
    Patent number: 4722931
    Abstract: The invention concerns a compound of the formula ##STR1## and salts thereof resulting from addition with pharmaceutically acceptable mineral or organic acid, wherein R is an alkylenedioxy group substituted at the 2',3'-position, and R.sub.1 and R.sub.2 are selected from the group consisting of a linear or branched alkyl having 1-4 carbon atoms, a methoxyethyl, or a 2-pyridyl methyl group. The compounds of the present invention are useful in relaxing cardiac or smooth muscle.
    Type: Grant
    Filed: June 17, 1986
    Date of Patent: February 2, 1988
    Assignee: Laboratorios Delagrange
    Inventors: Maria J. Verde Casanova, Joaquin A. Galiano Ramos