申请人:Boehringer Ingelheim GmbH
公开号:US04167570A1
公开(公告)日:1979-09-11
Compounds of the formula ##STR1## wherein R.sub.1 --is hydrogen, alkyl of 1 to 6 carbon atoms or benzyl; R.sub.2 --is alkyl of 1 to 6 carbon atoms, cycloalkyl of 5 to 7 carbon atoms or, together with R.sub.1 and the adjacent nitrogen atom, pyrrolidino, piperidino, hexamethyleneimino, morpholino or N'-methyl-piperazino, where each of the heterocycles may have one or two alkyl of 1 to 3 carbon atoms or one or two methoxy substituents attached thereto; R.sub.3,--r.sub.4 and R.sub.5 are each hydrogen or methyl; R.sub.6 --is alkyl of 1 to 4 carbon atoms; and A--is alkylene of 2 to 4 carbon atoms; And non-toxic, pharmacologically acceptable acid addition salts thereof; the compounds as well as their salts are useful as bronchospasmolytics and bronchosecretolytics.
式##STR1##的化合物,其中R.sub.1--是氢、1到6个碳原子的烷基或苄基;R.sub.2--是1到6个碳原子的烷基、5到7个碳原子的环烷基或者与R.sub.1和相邻的氮原子一起,吡咯啉基、哌啶基、己亚甲基基、吗啉基或N'-甲基哌嗪基,其中每个杂环可能有一个或两个1到3个碳原子的烷基或一个或两个甲氧基取代基连接其中;R.sub.3、r.sub.4和R.sub.5分别是氢或甲基;R.sub.6--是1到4个碳原子的烷基;A--是2到4个碳原子的烷基;以及其非毒性、药理学上可接受的酸盐;这些化合物及其盐可用作支气管痉挛解除剂和支气管分泌物溶解剂。