第 36 卷第 5 期 | | Vol. 36 No. 5 | 2006 年 10 月 | Oct 2006 |
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所属栏目:农药及中间体
2-氯-5-氯甲基-1,3-噻唑提纯新方法 |
张海滨; 陆银君; 范新华(南通江山农药化工股份有限公司; 江苏南通) |
摘 要:2-氯-5-氯甲基-1,3-噻唑(CCMT)是一种重要的农药中间体。介绍了以1-异硫氰酸基-2-氯-2-丙烯和氯气反应制备2-氯-5-氯甲基-1,3-噻唑的方法,并重点介绍了通过合成2-氯-5-氯甲基噻唑盐酸盐的方法进行产品提纯的新方法,产品含量大于99%,提纯收率95%。 |
关键词:除草剂; 三氟啶磺隆; 2-巯基-3-苄氧基吡啶; 2-氯-3-羟基吡啶 |
中图分类号:TQ252.5 文献标识码:A 文章编号:1009-9212(2006)05-0050-02 |
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A New Purification Method of 2-Chloro-5-chloromethylthiazole |
ZHANG Hai-bin; LU Ying-jun; FAN Xin-hua(Nantong Jiangshan Agrochemical & Chemicals Co.; Ltd.; Nantong 226006; China) |
Abstract:2-Chloro-5-chloromethylthiazole is an important intermediate for production of agrochemicals.It was synthesized by 2-chloroallyl isothiocyanate and chlorine.A new method wa given for purifying 2-chloro-5-chloromethylthiazole by synthesis of its hydrochloride.The content of the product was over 99%,and the yield of purification was about 95%. |
Key words:2-chloro-5-chloromethylthiazole; hydrochloride; purification |
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收稿日期:2006-05-18
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