the invention discloses a novel compound of the benzofuroxan series used for cardiovascular disorders represented by the general formula and pharmaceutically acceptable salts thereof wherein : r is — o — n - x - r ′; n = 1 to 6 ; x is — nhc —, or oxygen ; r ′ is lower alkyl , aromatic , heteroaromatic , substituted or unsubstituted saturated heterocyclic ring with one or two hetero atoms such as nitrogen or oxygen wherein substitution is with lower alkyl ; or r is selected from wherein r ″ is hydrogen , nitro , lower alkyl or — c — r ′″ wherein r ′″ is hydrogen , lower alkyl or aryl . the invention also discloses process for the preparation of compounds of general formula i . the invention also discloses the use of the compounds of general formula i as defined above , as no donors and / or in coronary heart diseases , and pharmaceutical compositions containing compounds of general formula i as active ingredients . the invention also discloses a method of treatment of mammal , including man , of coronary heart disease by administration of an effective amount of a compound of formula i as defined above .