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1·The 4-methoxy-phenylhydroxy-acetic acid was synthesized by the carbonyl addition reaction of 4-methoxybenzaldehyde.

通过4-甲氧基苯甲醛的羰基加成反应合成4-甲氧基-苯基羟基乙酸。

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

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。