申请人:Otsuka Pharmaceutical Company Limited
公开号:US04022776A1
公开(公告)日:1977-05-10
5-[Hydroxy-2-(substituted-amino)]ethyl-8-hydroxy-carbostyril derivatives represented by the formula (I) ##STR1## 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.
由以下公式(I)表示的5-[羟基-2-(取代基氨基)]乙基-8-羟基-卡波斯蒽衍生物,其中R.sup.1和R.sup.2,可能相同也可能不同,每个代表氢原子,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,其碳原子数为1至4个,或者具有4至6个碳原子的环烷基基团,或者R.sup.1和R.sup.2,当与它们连接的氮原子一起形成含有1个或2个氮、氧或硫原子作为杂原子的5或6成员取代或未取代杂环的环,其药学上可接受的酸盐以及制备上述化合物的方法。