Pt/PIC催化还原芳香硝基化合物制备芳胺  

Pt/PIC catalyzed hydrogenation of aromatic nitro compounds to arylamine

作　　者：张渊[1,2] 张瑞[2] 黄军[2] 朱福和[1] 

机构地区：[1]中国石化仪征化纤股份有限公司研究院,江苏仪征211900 [2]南京工业大学材料化学工程国家重点实验室,江苏南京210009

出　　处：《合成技术及应用》2012年第1期9-13,共5页Synthetic Technology & Application

摘　　要：制备了一种多孔离子型高聚物(简称离聚物PIC),利用扫描电镜、透射电镜等一系列手段对离聚物PIC的形貌、结构进行表征,并制备负载型纳米铂催化剂(Pt/PIC)用于温和条件下芳胺(如对苯二胺、邻苯二胺、2-溴苯胺等)的合成实验中。实验表明:在1 atm H2条件下,该Pt/PIC催化剂对于芳香硝基化合物还原氢化反应具有高的催化活性和选择性,尤其是还原性基团如醛基、酮基、氰基,在氢化还原相应硝基芳基化合物过程中未受影响,且高产率得到相应芳胺。A porous ionic copolymer（PIC） was prepared and characterized by SEM,BET,and TEM.The morphology and structure was investigated.And a supported Pt nano-catalyst（Pt/PIC） was prepared and used for the synthesis of anilines（such as p-phenylenediamine,o-diaminobenzene,2-Bromoaniline,et al.） under mild conditions.The study results showed that Pt/PIC catalyst was highly active and selective for the hydrogenation of nitro aromatic compounds under 1 atm H2.Reducible groups such as aldehyde,ketone and nitrile were not attacked during the hydrogenation of the corresponding nitro compounds,and the corresponding anilines were obtained with high yield.

关 键 词：芳胺 还原氢化 纳米催化剂 芳香硝基化合物 铂 

分 类 号：TQ246.31[化学工程—有机化工]