第 36 卷第 5 期 |  | Vol. 36 No. 5 | 2006 年 10 月 | Oct 2006 |
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所屬欄目:農藥及中間體
2-氯-5-氯甲基-1,3-噻唑提純新方法 |
張海濱; 陸銀君; 范新華(南通江山農藥化工股份有限公司; 江蘇南通) |
摘 要:2-氯-5-氯甲基-1,3-噻唑(CCMT)是一種重要的農藥中間體。介紹了以1-異硫氰酸基-2-氯-2-丙烯和氯氣反應制備2-氯-5-氯甲基-1,3-噻唑的方法,并重點(diǎn)介紹了通過(guò)合成2-氯-5-氯甲基噻唑鹽酸鹽的方法進(jìn)行產(chǎn)品提純的新方法,產(chǎn)品含量大于99%,提純收率95%。 |
關(guān)鍵詞:除草劑; 三氟啶磺隆; 2-巰基-3-芐氧基吡啶; 2-氯-3-羥基吡啶 |
中圖分類(lèi)號:TQ252.5 文獻標識碼:A 文章編號: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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