A method for the treatment of prophylaxis of cardiac disorders in a mammal, comprising administering to such mammal a short-acting .beta.-blocking compound of the formula: ##STR1## wherein R may be lower alkyl, aryl, or aralkyl; n may be an integer from 0 to about 10; x may be an integer from 1 to 3; Ar may be substituted or unsubstituted aromatic; R.sub.1 may be lower alkyl, or aralkyl; and pharmaceutically accepted salts thereof. Novel compounds possessing short-acting .beta.-adrenergic blocking activity are also disclosed.
一种用于治疗哺乳动物心脏疾病的预防的方法,包括向该类哺乳动物施用以下式的短效β-阻滞化合物:##STR1## 其中R可以是较低的烷基、芳基或芳基烷基;n可以是从0到约10的整数;x可以是从1到3的整数;Ar可以是取代或未取代的芳香基;R.sub.1可以是较低的烷基或芳基烷基;以及其药学上可接受的盐。还公开了具有短效β-
肾上腺素能阻滞活性的新化合物。