申请人:Otsuka Pharmaceutical Company Limited
公开号:US03975391A1
公开(公告)日:1976-08-17
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.
式(I)所表示的5-[1-羟基-2-取代氨基)]乙基-8-羟基-3,4-二氢-喜树碱衍生物,其中R1和R2,可以相同也可以不同,分别表示氢原子,具有1至4个碳原子的烷基基团,含有直链或支链烷基基团的芳基烷基基团,其具有1至4个碳原子,或者是具有4至6个碳原子的环烷基基团,或者当它们与它们所连接的氮原子一起形成一个含有1或2个氮、氧或硫原子作为杂原子的5或6元取代或未取代杂环,其制备方法以及其药物可接受的酸盐。