5-[1-HYDROXY-2-SUBSTITUTED-AMINO)]ETHYL-8-HYDROXY-3,4-DIHYDROCARBOSTYRIL DERIVATIVES REPRESENTED BY THE FORMULA (I) ##SPC1## wherein R.sup.1 and R.sup.2, which may be the same or different, each represents a hydrogen atom, an alkyl group having 1 to 4 carbon atoms, an aralkyl group containing a straight or branched chain alkyl moiety having 1 to 4 carbon atoms or a cycloalkyl group having 4 to 6 carbon atoms, or R.sup.1 and R.sup.2 may, when taken together with the nitrogen atom to which they are attached, form a 5 or 6-membered substituted or unsubstituted heterocyclic ring containing 1 or 2 nitrogen, oxygen or sulfur atoms as hetero atoms, the pharmaceutically acceptable acid addition salts thereof, and a process for preparing the above compounds.
5-[1-羟基-2-(取代)
氨基]乙基-8-羟基-3,4-二氢-
香豆素衍
生物,其
化学式表示为(I):##
SPC1## 其中,R1和R2可以相同也可以不同,分别表示氢原子,1-4个碳原子的烷基,含有1-4个碳原子的直链或支链烷基的芳基烷基或含有4-6个碳原子的环烷基,或者当它们与它们连接的氮原子一起形成含有1或2个氮、氧或
硫原子作为杂原子的取代或未取代的5或6元杂环时,R1和R2可以结合,其药用酸盐也包括在内。同时还提供了一种制备上述化合物的方法。