申请人:Boehringer Ingelheim KG
公开号:US04505912A1
公开(公告)日:1985-03-19
##STR1## wherein R.sub.1 is straight or branched alkyl of 1 to 4 carbon atoms; R.sub.2 is hydrogen, halogen, amino, nitro, alkoxy of 1 to 3 carbon atoms, --COOR.sub.6, 3-methyl or 4-methyl; R.sub.4 and R.sub.5 are each alkyl of 1 to 4 carbon atoms or, together with each other and the nitrogen atom to which they are attached, piperidino, pyrrolidino or morpholino; R.sub.6 is alkyl of 1 to 3 carbon atoms; and n is 2 or 3; and non-toxic, pharmacologically acceptable acid addition salts thereof. The compounds as well as their salts are useful as sleep potentiators and blood circulation enhancers.
其中R.sub.1是1到4个碳原子的直链或支链烷基;R.sub.2是氢、卤素、氨基、硝基、1到3个碳原子的烷氧基、--COOR.sub.6、3-甲基或4-甲基;R.sub.4和R.sub.5各自是1到4个碳原子的烷基,或者与彼此及它们连接的氮原子一起是哌啶基、吡咯啉基或吗啉基;R.sub.6是1到3个碳原子的烷基;n为2或3;以及它们的非毒性、药理学上可接受的酸盐。这些化合物及其盐可用作睡眠增强剂和血液循环增强剂。