申请人:Boehringer Ingelheim GmbH
公开号:US04021557A1
公开(公告)日:1977-05-03
Compounds of the formula ##STR1## wherein R.sub.1 is hydrogen, straight or branched alkyl of 1 to 3 carbon atoms or benzyl, R.sub.2 is straight or branched alkyl of 1 to 3 carbon atoms, or R.sub.1 and R.sub.2, together with each other and the nitrogen atom to which they are attached, are pyrrolidino, piperidino or hexamethyleneimino, A and B are each nitrogen or methylidenyl (=CH-), but other than both nitrogen or methylidenyl at the same time, and n is 2 or 3, And non-toxic, pharmacologically acceptable acid addition salts thereof; the compounds as well as the salts are useful as bronchospasmolytics.
化合物的公式为##STR1##其中R.sub.1是氢、直链或支链烷基(1至3个碳原子)或苄基,R.sub.2是直链或支链烷基(1至3个碳原子),或者R.sub.1和R.sub.2与它们附着的氮原子一起形成吡咯烷基、哌啶烷基或己亚甲基亚胺基,A和B分别是氮或甲基亚烯基(=CH-),但不能同时是氮和甲基亚烯基,n为2或3,以及其无毒、药理学上可接受的酸盐;这些化合物和盐在治疗支气管痉挛方面有用。