Selenium-Catalyzed Reduction of m-Dinitrobenzene to m-Nitroaniline With Hydrazine Hydrate

Journal of Petrochemical Universities ›› 2008, Vol. 21 ›› Issue (2): 41-44.

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Selenium-Catalyzed Reduction of m-Dinitrobenzene to m-Nitroaniline With Hydrazine Hydrate

CAI Ke-ying^{1, 2}， ZHOU Xiao¹， MA Yu-miao¹， ZONG Zhi-min^1， WEI Xian-yong^1*

( 1．School of Chemical Engineering，China University of Mining and Technology，Xuzhou Jiangsu 221008，P. R. China; 

2．School of Chemistry and Chemical Engineering，Xuzhou Institute of Technology，Xuzhou Jiangsu 221008，P. R. China)

Received:2007-08-31 Published:2008-06-20 Online:2017-06-28

硒催化水合肼还原间二硝基苯制间硝基苯胺

蔡可迎^1,2, 周肖¹, 马玉苗¹, 宗志敏¹, 魏贤勇^1*

(1.中国矿业大学化学工程学院,江苏徐州221008; 2.徐州工程学院化学化工学院,江苏徐州221008)

作者简介:蔡可迎(1970-),男,江苏沛县,讲师,博士
基金资助:
中国矿业大学碳资源高效利用优秀创新团队建设项目(2004ZCX007-2)

Abstract

Abstract:

The reduction of m-Dinitrobenzene (m-DNB) to m-nitroaniline (m-NA) with selenium and hydrazine hydrate was studied under mild conditions. The effects of ratio of solvents, hydrazine hydrate amount, selenium amount and NaOH amount on the reduction of m-DNB to m-NA were investigated. The results show that selenium has high catalytic activity and selectivity for the reduction under mild conditions. Under the optimized conditions of V(ethanol)/V(water) = 10∶1, 2 mmol of m-DNB, 3.1 mmol of hydrazine hydrate, 0.04 g of NaOH, 0.02 g of selenium, 75 ℃ and 2 h, the m-DNB conversion and the m-NA selectivity can reach 100 % and 98.7 %, respectively.

Key words:

m-Nitroaniline, Selenium, Reduction, m-Dinitrobenzene, Hydrazine hydrate

摘要： 研究了在温和条件下硒催化水合肼还原间二硝基苯(m -DNB)制备间硝基苯胺(m -NA)。考察了溶剂配比、水合肼用量、硒粉用量和NaOH 用量等因素对反应的影响。结果表明,在温和条件下,硒对水合肼还原m-DNB制备m -NA有很高的催化活性和选择性。得到较适宜的工艺条件为:V(乙醇)/V(水)=10∶1,2mmol m-DNB,3.1mmol水合肼,0.04gNaOH 和0.02g硒粉,于75℃反应2h,m -DNB的转化率为100%,m -NA的选择性为98.7%。

关键词: 间硝基苯胺, 硒, 还原, 间二硝基苯, 水合肼

CAI Ke-ying， ZHOU Xiao， MA Yu-miao， ZONG Zhi-min， WEI Xian-yong.

Selenium-Catalyzed Reduction of m-Dinitrobenzene to m-Nitroaniline With Hydrazine Hydrate

[J]. Journal of Petrochemical Universities, 2008, 21(2): 41-44.

蔡可迎, 周肖, 马玉苗, 宗志敏, 魏贤勇. 硒催化水合肼还原间二硝基苯制间硝基苯胺[J]. 石油化工高等学校学报, 2008, 21(2): 41-44.

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Selenium-Catalyzed Reduction of m-Dinitrobenzene to m-Nitroaniline With Hydrazine Hydrate

硒催化水合肼还原间二硝基苯制间硝基苯胺

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