另外还合成了必需原料2-（2-甲氧基乙氧基）乙醛二乙醇缩醛。
The necessary material of 2-(2-methoethyl) acetaldehyde diethyl acetal was synthesized in addition.
目的建立溴芬酸钠原料中二氯甲烷、甲苯、1，2-二甲氧基乙烷、乙酸乙酯、乙醇残留量测定方法。
Objective To establish a method for detection of dichloromethane, 1,2-dimethoxyethane, toluene, ethyl acetate and ethanol in bromfenac sodium.
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.
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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