典型文献
Room-temperature hydrogenation of halogenated nitrobenzenes over metal-organic-framework-derived ultra-dispersed Ni stabilized by N-doped carbon nanoneedles
文献摘要：
Ultra-dispersed Ni nanoparticles(7.5 nm)on nitrogen-doped carbon nanoneedles(Ni@NCNs)were prepared by simple pyrolysis of Ni-based metal-organic-framework for selective hydrogenation of halogenated nitrobenzenes to corresponding anilines.Two different crystallization methods(stirring and static)were compared and the optimal pyrolysis temperature was explored.Ni@NCNs were systematically characterized by wide analytical techniques.In the hydrogenation of p-chloronitrobenzene,Ni@NCNs-600(pyrolyzed at 600℃)exhibited extraordinarily high performance with 77.9 h-1 catalytic productivity and＞99％p-chloroaniline selecti-vity at full p-chloronitrobenzene conversion under mild conditions(90℃,1.5 MPa H2),showing obvious superio-rity compared with reported Ni-based catalysts.Notably,the reaction smoothly proceeded at room temperature with full conversion and＞99％selectivity.Moreover,Ni@NCNs-600 afforded good tolerance to various nitroarenes substituted by sensitive groups(halogen,nitrile,keto,carboxylic,etc.),and could be easily recycled by magnetic separation and reused for 5 times without deactivation.The adsorption tests showed that the preferential adsorption of-NO2 on the catalyst can restrain the dehalogenation of p-chloronitrobenzene,thus achieving high p-chloroaniline selectivity.While the high activity can be attributed to high Ni dispersion,special morphology,and rich pore structure of the catalyst.
文献关键词：
中图分类号：
作者姓名：
Yuemin Lin;Yuanyuan Zhang;Renfeng Nie;Kai Zhou;Yao Ma;Mingjie Liu;Dan Lu;Zongbi Bao;Qiwei Yang;Yiwen Yang;Qilong Ren;Zhiguo Zhang
作者机构：
Key Laboratory of Biomass Chemical Engineering of Ministry of Education,College of Chemical and Biological Engineering,Zhejiang University,Hangzhou 310027,China;School of Chemical Engineering,Henan Center for Outstanding Overseas Scientists,Zhengzhou University,Zhengzhou 450001,China;Institute of Zhejiang University—Quzhou,Quzhou 324000,China
文献出处：
引用格式：
[1]Yuemin Lin;Yuanyuan Zhang;Renfeng Nie;Kai Zhou;Yao Ma;Mingjie Liu;Dan Lu;Zongbi Bao;Qiwei Yang;Yiwen Yang;Qilong Ren;Zhiguo Zhang-.Room-temperature hydrogenation of halogenated nitrobenzenes over metal-organic-framework-derived ultra-dispersed Ni stabilized by N-doped carbon nanoneedles)[J].化学科学与工程前沿,2022(12):1782-1792
A类：
nitrobenzenes,NCNs,chloronitrobenzene,chloroaniline,selecti,vity,superio
B类：
Room,temperature,hydrogenation,halogenated,metal,organic,framework,derived,ultra,dispersed,stabilized,by,doped,carbon,nanoneedles,Ultra,nanoparticles,nitrogen,were,prepared,simple,pyrolysis,selective,corresponding,anilines,Two,different,crystallization,methods,stirring,static,compared,optimal,was,explored,systematically,characterized,wide,analytical,techniques,In,pyrolyzed,exhibited,extraordinarily,high,performance,catalytic,productivity,full,conversion,under,mild,conditions,H2,showing,obvious,rity,reported,catalysts,Notably,reaction,smoothly,proceeded,room,selectivity,Moreover,afforded,good,tolerance,various,nitroarenes,substituted,sensitive,groups,nitrile,keto,carboxylic,etc,could,easily,recycled,magnetic,separation,reused,times,without,deactivation,adsorption,tests,showed,that,preferential,NO2,can,restrain,dehalogenation,thus,achieving,While,activity,attributed,dispersion,special,morphology,rich,pore,structure
AB值：
0.567328
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