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Synthesis of N-Dichloroacetyl-5-chloro-2,3-dihydro-benzoxazole
Author(s): 
Pages: 134-138
Year: Issue:  1
Journal: Journal of Chemical Engineering of Chinese Universities

Keyword:  安全剂N-二氯乙酰基苯并噁唑合成合成工艺条件;
Abstract: 探索了以廉价的对2-氨基-4-氯苯酚、二氯甲烷和二氯乙酰氯为原料,经环合及酰基化反应获得N-二氯乙酰基-5-氯-2,3-二氢苯并噁唑的全合成路线.利用正交实验设计分别研究了反应过程中溶剂效应、反应温度、搅拌时间、缚酸剂对中间体5-氯-2,3-二氢苯并噁唑产率的影响及反应溶剂、温度、搅拌时间及原料的摩尔比对终产物产率的影响.确定了环合反应合成中间体5-氯-2,3-二氢苯并噁唑的优化实验条件为:以N,...
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