建议国内尽快上马羰基合成法生产装置；原生产厂家应改造工艺路线，采用羰基合成法生产苯乙酸。
It is suggested that the installations using carbonylation process will be built with highspeed and the old process of original plants were replaced by carbonylation method.
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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