Substituted phenylene di-ethers of the formula; ##STR1## wherein R represents an isopropyl or tertiary butyl group and X represents hydrogen or lower alkyl, and acid addition salts thereof. The compounds are useful anti-arrhythmic agents and also show local anaesthetic activity in mammals. Their methods of preparation are disclosed and also pharmacological preparations containing the same.
该公式中的取代苯基
二醚化合物为:其中R代表异丙基或叔丁基基团,X代表氢或较低的烷基,以及其酸盐。这些化合物可用作抗心律失常剂,并在哺乳动物中显示局部麻醉活性。其制备方法已披露,还包括含有这些化合物的药理制剂。