申请人:Otsuka Pharmaceutical Company Limited
公开号:US04022784A1
公开(公告)日:1977-05-10
5-[1-Hydroxy-2-(substituted-amino)]alkyl-8-substituted-carbostyril derivatives and 5-[1-hydroxy-2-(substituted-amino)]-alkyl-8-substituted-3,4-dihydrocarbost yril derivatives represented by the formulas (Ia) and (Ib) ##STR1## WHEREIN R.sup.1, R.sup.4 and R.sup.5 each represents a hydrogen atom or an alkyl group having 1 to 4 carbon atoms, with at least one of R.sup.4 and R.sup.5 being an alkyl group, and R.sup.2 and R.sup.3, 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.2 and R.sup.3 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 same.
5-[1-羟基-2-(取代氨基)]烷基-8-取代-香豆素衍生物和5-[1-羟基-2-(取代氨基)]-烷基-8-取代-3,4-二氢香豆素衍生物,由式(Ia)和(Ib)所表示:##STR1## 其中R^1、R^4和R^5分别表示氢原子或具有1至4个碳原子的烷基基团,其中至少有一个R^4和R^5为烷基基团,而R^2和R^3可能相同或不同,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,其烷基基团具有1至4个碳原子,或环状烷基基团,其具有4至6个碳原子,或当R^2和R^3与它们所连接的氮原子一起形成含有1或2个氮、氧或硫原子的取代或未取代的5-或6-成员杂环环时,其药学上可接受的酸加盐,以及制备它们的方法。