高品质噻虫嗪的绿色合成研究  

Study on the Green Synthesis of High Quality Thiamethoxam

作　　者：程超 杜升华 兰世林 苏胜男 刘双谨 CHENG Chao;DU Sheng-hua;LAN Shi-lin;SU Sheng-nan;LIU Shuang-jin(Hunan Research Institute of Chemical Industry Co.,Ltd.,National Engineering Research Center for Agrochemicals,Changsha 410014,China;Hunan Province Key Laboratory for Agrochemicals,Changsha 410014,China;Hunan Haili Changde Pesticide&Chemicals Co.,Ltd.,Changde 415001,China)

机构地区：[1]湖南化工研究院有限公司,国家农药创制工程技术研究中心,湖南长沙410014 [2]农用化学品湖南省重点实验室,湖南长沙410014 [3]湖南海利常德农药化工有限公司,湖南常德415001

出　　处：《精细化工中间体》2020年第1期19-22,共4页Fine Chemical Intermediates

摘　　要：以3-甲基-4-硝基亚胺基全氢化-1,3,5-噁二嗪和2-氯-5-氯甲基噻唑为原料,碳酸钾为缚酸剂,臭氧为脱色剂,一锅法制得白色噻虫嗪结晶,收率92.0%(以2-氯-5-氯甲基噻唑计),含量99.2%。此方法具有实验操作简便、产品收率及含量较高、三废量少等优点,符合绿色化工和清洁生产的要求,适合工业化生产。In a one-pot synthetic process,1,5-dimethyl-2-nitroimino-perhydrogenated-1,3,5-triazine and 2-chloro-5-chloromethyl thiazole were used as the raw materials,potassium carbonate as acid binding agent and ozone as decolorant the white thiamethoxam was obtained with a yield of 92.0%and a purity of 99.2%.This method was suitable for green chemical industry and industrial production with many advantages including simple operation,high yield and content of the product,and less wastes disposed.

关 键 词：新烟碱杀虫剂 2-氯-5-氯甲基噻唑 噻虫嗪 一锅法 

分 类 号：S482.3[农业科学—农药学]