【摘要】 以乙醇胺和对苯氧基苯酚为主要原料催化合成双氧威,重点考察了氯化亚砜、氯甲酸乙酯与乙醇胺的配比,以及催化剂的用量对反应的影响,得出了合成双氧威的优惠条件;中间体2 氯乙基氨基甲酸乙酯合成收率达78%(以乙醇胺计),产品双氧威合成收率达86%(以对苯氧基苯酚计),产品纯度≥95%。更多还原

【Abstract】 In the presence of catalyst,phenoxycarb was prepared from p-(p-phenoxy)phenol and ethanolamine,The yield of the intermediates of 2-chloroethylcarbamic acid ethyl ester is over 78%,The yield of phenoxycarb is over 86%,and the purity exceedes 95%.更多还原