| 第 34 卷第 1 期 |  | Vol. 34 No. 1 | | 2004 年 2 月 | Feb 2004 |
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所属栏目：其它
1,1-二氯-2-硝基乙烯的合成 |
| 贾正桂; 姚成(南京工业大学理学院; 江苏南京) |
| 摘 要：以1,1,2 三氯乙烷为原料,先与氢氧化钠溶液反应,生成偏二氯乙烯,再与混酸(硝酸与盐酸)反应,得到1,1 二氯 2 硝基乙烯。考察温度、时间、三氯乙烷和氢氧化钠的用量比,偏二氯乙烯与混酸的用量比等对反应产物的影响,得到优化反应条件为:第一步反应温度65℃,反应时间1.5h,C2H3Cl3:NaOH=1.00:1.15,偏二氯乙烯的收率99%;第二步反应HNO3:HCl=1.3:1.3:1(mol/mol),反应温度20℃,反应时间3h,产物通过GC MS结构分析。 |
| 关键词：1,1,2-三氯乙烷; 偏二氯乙烯; 1-二氯-2-硝基乙烯 |
| 中图分类号：TQ222.4 文献标识码：A 文章编号：1009-9212(2004)01-0026-02 |
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| The Synthesis of 1,1-Dichloro-2-Nitroethylene |
| JIA Zheng-gui; YAO Cheng （Institute of Sciences; Nanjing University of Technology; Nanjing 210009; China） |
| Abstract：The vinylidene chloride was produced from 1,1,2-trichlorethane. The process for the production of 1,1-dichloro-2-nitroethylene which comprises reacting vinylidene chloride with nitric acid and hydrogen chloride was researched. The reaction temperature, operation time, molar ratio of 1,1,2-trichlorethane and sodium hydroxide, and molar ratio of vinylidene chloride and nitric acid, and hydrogen chloride were discussed. The optimum operation conditions were as follow: at the first step,reaction temperature 65... |
| Key words：1,1,2-trichlorethane; vinylidene chloride; 1-dichloro-2-nitroethylene |
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收稿日期：2003-09-15
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