第 33 卷第 6 期Vol. 33 No. 6
2003 年 12 月Dec 2003

所属栏目:其它

2-氨基-4-氯-苯并噻唑的合成
龙洁; 刘卫东; 徐道庄; 杜升华(湖南化工研究院; 湖南长沙)
摘 要:以邻氯苯基硫脲和硫酰氯为原料,经环合反应制得2-氨基-4-氯苯并噻唑,收率为94.8%,探讨了溶媒种类、投料比、反应温度和反应时间对收率的影响,并改进了合成工艺。
关键词:2-氨基-4-氯苯并噻唑; 硫酰氯; 合成
中图分类号:RQ252.5  文献标识码:A  文章编号:1009-9212(2003)06-0031-03
A Study on Synthesis of 2-Amino-4-Chloro-Benzothiazole
LONG Jie; etc(Hunan Research Institute of Chemical Industry; Changsha Hunan 410007; China)
Abstract:Amino 4 chloro benzothiazole was prepared from 2 chloro phenyl thiourea and sulfuryl chloride by cyclization in 94.8% yield. The effect of the kinds of solution medias, the proportion of materials, the reaction temperature, and the time on the yield was investigated. The process of synthesis was improved.
Key words:benzothiazole; synthesis
收稿日期:2003-10-21
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