Compounds of the formula: ##STR1## and physiologically acceptable acid addition salts thereof, in which R.sup.1 is A. an arylalkyl group, the alkyl portion of which contains from 1 to 6 carbon atoms and the aryl portion of which may be substituted by one or more alkoxy groups or hydroxy groups; or B. an aryloxyalkyl group, the alkyl portion of which contains from 1 to 6 carbon atoms, and the aryloxy portion of which is substituted with one or more alkoxy or hydroxy groups. These compounds have a blacking action on both .alpha.- and .beta.-adrenergic receptors and are useful in treating hypertension. Processes for the production of these compounds and pharmaceutical compositions containing them are also provided.
公式为##STR1##的化合物及其生理可接受的酸盐,其中R.sup.1为A.芳基烷基,其烷基部分含1至6个碳原子,芳基部分可能被一个或多个烷氧基或羟基取代;或B.芳氧基烷基,其烷基部分含1至6个碳原子,芳氧基部分被一个或多个烷氧基或羟基取代。这些化合物对α和β
肾上腺素受体均有黑化作用,可用于治疗高血压。还提供了制备这些化合物和含有它们的药物组合物的方法。