以二甲氧基乙酸甲酷和乙酸甲酷为主要原料，经甲醇钠催化制备二甲氧基乙酞乙酸甲醋。
A new process has been developed to synthesize dimethoxy methyl acetoacetate with dimethoxyacetic acid methyl ester and methyl acetate in the presence of sodium methanol.
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。
The 4-methoxy-phenylhydroxy-acetic acid was synthesized by the carbonyl addition reaction of 4-methoxybenzaldehyde.
应用红外光谱技术研究了在乙酸锌催化作用下1，5-萘二胺与碳酸二甲酯甲氧基羰基化反应机理。
The methoxycarbonylation mechanism of 1,5-naphthalene diamine with dimethyl carbonate catalyzed by zinc acetate was investigated by Fourier transform infrared spectroscopy.
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.
本文对吡嘧黄隆生产中的原料和中间体氰乙酸乙酯，乙氧基甲叉氰乙酸乙酯和吡唑胺进行了致敏性试验研究。
The sensitization of raw material and intermediate of pyrazosulfuron-ethyl was studied using guinea pig. The result indicated that ethoxy methylene cyanacetic ester is sensitive agent.
本文对吡嘧黄隆生产中的原料和中间体氰乙酸乙酯，乙氧基甲叉氰乙酸乙酯和吡唑胺进行了致敏性试验研究。
The sensitization of raw material and intermediate of pyrazosulfuron-ethyl was studied using guinea pig. The result indicated that ethoxy methylene cyanacetic ester is sensitive agent.
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