| 硒催化CO/H2O体系下常压还原合成3-硝基-5-氨基-2,4,6-三甲基苯磺酸的研究 |
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| 引用本文： | 陈志华,刘金秀,刘晓智. 硒催化CO/H2O体系下常压还原合成3-硝基-5-氨基-2,4,6-三甲基苯磺酸的研究[J]. 染料与染色, 2020, 0(1): 35-37,14 |
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| 作者姓名： | 陈志华 刘金秀 刘晓智 |
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| 作者单位： | 辽宁大学化学院 |
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| 摘 要： | 以硒为催化剂、CO为还原剂、水为氢源、无机弱碱为助催化剂、N,N-二甲基甲酰胺(DMF)作溶剂,常压下将3,5-二硝基-2,4,6-三甲基苯磺酸还原为3-硝基-5-氨基-2,4,6-三甲基苯磺酸。最优反应条件为:3,5-二硝基-2,4,6-三甲基苯磺酸1. 45 g (5 mmol),无水醋酸钠0. 492 g (6 mmol),DMF 30 m L,水3 m L,在95℃下回流反应5h。产物纯度可达87. 92%。
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| 关 键 词： | 硒 一氧化碳 还原 常压 3-硝基-5-氨基-2,4,6-三甲基苯磺酸 |
Synthesis of 3-Nitro-5-amino-2,4,6-trimethylbenzenesulfonic Acid under Atmospheric Pressure Reduction in Selenium-catalyzed CO/H2O System |
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| CHEN Zhi-hua,LIU Jin-xiu,LIU Xiao-zhi. Synthesis of 3-Nitro-5-amino-2,4,6-trimethylbenzenesulfonic Acid under Atmospheric Pressure Reduction in Selenium-catalyzed CO/H2O System[J]. Ranliao yu Ranse, 2020, 0(1): 35-37,14 |
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| Authors: | CHEN Zhi-hua LIU Jin-xiu LIU Xiao-zhi |
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| Affiliation: | (Chemistiy collage,Liaoning University,Shenyang 110033,Liaoning China) |
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| Abstract: | Selenium as a catalyst,carbon monoxide as a reducing agent,water as a hydrogen source,inorganic weak base as a cocatalyst,DMF as a solvent,3,5-dinitro-2,4,6-trimethylbenzene sulfonic acid was synthesized into 3-nitro-5-amino-2,4,6-trimethylbenzene sulfonic acid.The optimal reaction conditions as follows:3,5-dinitro-2,4,6-trimethylbenzenesulfonic acid 1.45 g(5 mmol),anhydrous sodium acetate 0.492 g(6 mmol),DMF 30 mL,water 3 mL,reflux reaction at 95℃ for 5 h.The highest purity of product can reach 87.92%. |
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| Keywords: | selenium carbon monoxide reduction atmospheric pressure 3-nitro-5-amino-2,4,6-trimethylbenzene sulfonic acid |
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