| 2,4-二硝基苯胺用硫化碱选择还原的研究 |
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| 引用本文： | 张若蘅,姚蒙正.2,4-二硝基苯胺用硫化碱选择还原的研究[J].大连理工大学学报,1985(2). |
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| 作者姓名： | 张若蘅 姚蒙正 |
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| 作者单位： | 大连工学院染科研究室
(张若蘅)，大连工学院染科研究室(姚蒙正) |
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| 摘 要： | 定量研究了２；４－二硝基苯胺以ＮａＨＳ，Ｎａ２Ｓ２或Ｎａ２／ＮａＨＣＯ３为还原剂的 选译还原；处在邻位的硝基优先被还原，其选择性约９０％。反应介质是影响选择性 的主要因素；还原能力的顺序是ＮａＮＳ＞Ｎａ２Ｓ２＞Ｎａ２Ｓ／ＮａＨＣＯ３。 这几种还原剂 均适用于本反应。其中以Ｎａ２Ｓ２为最好。
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| 关 键 词： | 选择还原 2 4-二硝基苯胺的还原 多硝基化合物的部分还原 |
Investigating Selective Reduction of 2, 4-Dinitroaniline with Sulfides |
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| Zhang Rhoheng Yao Mengzheng.Investigating Selective Reduction of 2, 4-Dinitroaniline with Sulfides[J].Journal of Dalian University of Technology,1985(2). |
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| Authors: | Zhang Rhoheng Yao Mengzheng |
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| Institution: | The Teaching and Research Section of Dyes. DIT |
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| Abstract: | The selective reduction of 2, 4-dinitroaniline using NaHS, Na2S2 or Na2S/ NaHCO3 as reducing agents has been investigated quantitatively. The nitro group at ortho position is reduced dominantly and the selectivity is about 90%. The re- action medium is the main factor influencing selectivity. The order of reducing ability is NaHS>Na2S2 >Na2S/NaHCO3. All these reducing agents are suitable for the reaction. Among them Na2S2 is the best. |
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| Keywords: | selective reduction reduction of 2 4-dinitroaniline partial reduction of polynitrocompounds |
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