| 4,5-二氢-3-甲基-1-(2,4-二氯苯基)-1,2,4-三唑-5(1H)酮的合成 |
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| 引用本文： | 李梅芳,韩邦友,朱红军.4,5-二氢-3-甲基-1-(2,4-二氯苯基)-1,2,4-三唑-5(1H)酮的合成[J].广州化工,2010,38(1):79-80,95. |
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| 作者姓名： | 李梅芳 韩邦友 朱红军 |
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| 作者单位： | 1. 江苏快达农化股份有限公司,江苏,如东,226401
2. 南京工业大学,江苏,南京,210009 |
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| 摘 要： | 乙酰亚氨酸甲酯盐酸盐与2,4-二氯苯肼在三乙胺的作用下生成2-(2,4-二氯苯基)酰肼乙烷亚胺酸。然后在光气中环合得到4,5-二氢-3-甲基-1-(2,4-二氯苯基)-1,2,4-三唑-5(1H)酮。反应总收率为90.6%(以2,4-二氯苯肼计),含量为98.9%。
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| 关 键 词： | 4 5-二氢-3-甲基-1-（2 4-二氯苯基）-1 2 4-三唑-5（1H）酮 甲磺草胺 三唑啉酮 光气 中间体 |
Synthesis of 4,5-dihydro-3-methyl-1-(2,4-dichlorophenyl)-1,2,4-triazol-5-(1H)-one |
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| LI Mei-fang,HAN Bang-you,ZHU Hong-jun.Synthesis of 4,5-dihydro-3-methyl-1-(2,4-dichlorophenyl)-1,2,4-triazol-5-(1H)-one[J].GuangZhou Chemical Industry and Technology,2010,38(1):79-80,95. |
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| Authors: | LI Mei-fang HAN Bang-you ZHU Hong-jun |
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| Affiliation: | 1 Jiangsu Kuaida Agrochemical Co.;Ltd.;Jiangsu Rudong 226401;2 Nanjing University of Technology;Jiangsu Nanjing 210009;China |
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| Abstract: | Methyl acetimidate hydrochloride and 2,4-dichlorophenylhydrazine serve as raw materials to compound 2-(2,4-dichlorophenyl)hydrazidethaneimidic acid by the reagent triethylamine.And then react with phosgene to get 4,5-dihydro-3-methyl-1-(2,4-dichlorophenyl)-1,2,4-triazol-5-(1H)-one by cyclization reaction.As a result,the total yield of synthesized was 90.6%(2,4-dichlorophenylhydrazine as the standard) and purity of product was 98.9%. |
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| Keywords: | 4 2 |
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