This invention relates to catechol derivatives having the general formula ##STR1## wherein R represents various substituents, to a process for the preparation of the same comprising reacting S-(3,4-dihydroxyphenyl)-isothiourea, which has the formula II, with a tosylate of the general formula III ##STR2## and to therapeutical compositions wherein the active ingredient is one of these compounds.
本发明涉及具有一般式##STR1##的
邻苯二酚衍
生物,其中R代表不同的取代基,以及制备它们的过程,包括将具有式II的S-(3,4-二羟基苯基)-异
硫脲与一般式III的
对甲苯磺酸盐反应,以及其中活性成分为这些化合物的治疗组合物。