| 第 36 卷第 1 期 |  | Vol. 36 No. 1 | | 2006 年 2 月 | Feb 2006 |
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所属栏目：有机合成原料
1,1-二甲硫基-2-硝基乙烯的合成 |
| 贾正桂(淮阴师范学院化学系; 江苏淮安) |
| 摘 要：研究了以硝基甲烷和二硫化碳为原料,合成1,1-二甲硫基-2-硝基乙烯。考察了反应温度、反应时间、甲基化试剂、溶剂、投料比等对于反应产物的影响,得到优化工艺条件为:反应温度35℃,反应时间3h。以硫酸二甲酯为甲基化试剂,常温下反应时间3 h,重结晶得1,1-二甲硫基-2-硝基乙烯,收率为84%,产物通过IR、1H-NMR鉴定。 |
| 关键词：1; 1-二甲硫基-2-硝基乙烯; 中间体; 合成 |
| 中图分类号：TQ221.21 文献标识码：A 文章编号：1009-9212(2006)01-0052-03 |
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| Synthesis of 1,1-bis(methylthio)-2-nitroethene |
| JIA Zheng-gui（Department of chemistry; Huaiyin Teachers College; Huai'an 223301; China） |
| Abstract：1,1-bis(methylthio)-2-nitroethene was prepared by reacting nitromethane and carbon bisulfide.Effects of temperature,reaction time,methylating agent,solvent,molar ratio of nitromethane and carbon bisulfide on yield of 1,1-bis(methylthio)-2-nitroethane were discussed.The optimum operation conditions were as follow: the reaction temperature of 35 ℃,reaction time for 3.0 h.In the process of dimethyl sulfate methylation,the optimum operation condition was at the room temperature for 3.0 h.The yield was 84%.Crude... |
| Key words：1; 1-bis（methylthio）-2-nitroethene; intermediate product; synthesis |
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收稿日期：2005-09-26
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