Aci-reductone compounds belonging to the 6,7-disubstituted-3,4-dihydro benzopyan-2H-one class having antiaggregatory properties

摘要: The present invention relates to novel benzopyranone aci-reductone compounds of the formula I wherein X and Y are selected from group comprising H (except that not both H, unless otherwise indicated) Cl or other halogen, OH, a straight branched C 1 -C 6 alkyl alkoxy phenyl phenyloxy groups, such as, for example tertiary butyl group. also provides general X, Y=OCH 2 O. ##STR1## useful in treatment prevention thromboembolic disorders.