以对甲氧基苯甲醛、三氯甲烷为原料，相转移催化羰基加成法合成了对甲氧基苯乙醇酸。

Based on the principle of phase transfer catalysis, 4-methoxy-phenylhydroxy-acetic acid was synthesized by the carbonyl addition reaction of 4-methoxybenzaldehyde.

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本文以氨哮素为母体化合物，运用生物电子等排理论，设计并合成七个3，4，5-三卤代苯乙醇胺衍生物。

The clenbuterol(NAB365)is regarded as parent compound. We designed and synthesized 7 derivatives of 3,4,5-trihalophenylethanolamines according to the biosostere theory.

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