.alpha.-Aminomethyl-4-hydroxy-3-methylsulfonyl benzyl alcohols having .beta.-adrenergic antagonist activity are prepared generally from 4-benzyloxy-3-methylsulfonylacetophenone by, for example, bromination and treatment of the resulting .alpha.-bromo derivative with an N-benzyl secondary amine, followed by catalytic hydrogenation to remove protective benzyl groups and reduce the ketone moiety.
具有.beta.-
肾上腺素受体拮抗活性的.alpha.-
氨甲基-
4-羟基-3-甲基磺酰基
苄醇通常是通过对4-苄氧基-3-甲基磺酰基乙酮进行
溴化和处理所得到的.alpha.-
溴衍
生物与N-苄基二级胺反应,然后通过催化氢化去除保护苄基基团和还原酮基团制备而成。