Compounds of the formula ##STR1## wherein X and R.sub.1 are each chlorine or bromine; R.sub.2 is isopropyl; tert.butyl; tert.pentyl; mono-, di- or tri-hydroxy-substituted branched alkyl of 3 to 5 carbon atoms; cyclohexyl; or hydroxycyclohexyl; and R.sub.3 is alkyl of 1 to 4 carbon atoms or, when R.sub.2 is other than cyclohexyl, also hydrogen; And non-toxic, pharmacologically acceptable acid addition salts thereof; the compounds as well as their salts are useful as secretolytics, antitussives, anti-ulcerogenics and stimulants for the production of the surfactant or antiatelectasis factor of the alveoli.
化合物的
化学式为##STR1## 其中X和R.sub.1均为
氯或
溴;R.sub.2为异丙基;叔丁基;叔戊基;3到5个碳原子的支链烷基的
单糖,二糖或三糖羟基取代;环己基;或羟基环己基;R.sub.3为1到4个碳原子的烷基,或当R.sub.2不是环己基时,也可以是氢;以及非毒性、药理学上可接受的酸盐。这些化合物及其盐可用作分泌溶解剂、止咳剂、抗溃疡剂和刺激肺泡表面活性物质或抗肺不张因子的生产的刺激剂。