无配体Cu_2O纳米线催化C—N/C—O偶联反应  

Ligand-Free Cu_2O Nanowire Catalyzing C—N and C—O Coupling Reaction

作　　者：董奇志[1] 向建南[1] 郭灿城[1] 

机构地区：[1]湖南大学化学化工学院化学生物传感与计量学国家重点实验室,长沙410082

出　　处：《有机化学》2014年第1期147-154,共8页Chinese Journal of Organic Chemistry

基　　金：湖南省自然科学基金(No.13JJ5018);湖南省科技厅支撑(No.湘财企指(2009)76号);长沙市科技局(No.长财企指(No.2012)64号)资助项目~~

摘　　要：介绍了由TiO2纳米阵列管上负载Cu2O纳米线,制备新型纳米催化剂Cu2O/TiO2NTs的方法.应用该新型催化剂,研究了其对卤代芳烃的C—N,C—O偶联反应的催化作用,结果表明Cu2O/TiO2NTs不仅能很好地催化溴代芳烃与氮/氧亲核试剂的反应,而且可顺利催化氯代芳烃的反应,得到中等及优良的产率.催化剂循环使用试验证实,催化剂在该体系中能被回收利用5次收率基本稳定.A novel nano-material with Cu2O nanowires loaded on TiO2 nanotubes （Cu2O/TiO2 NTs） was prepared in this paper. The new type of catalyst was used to catalyze the C—N and C—O coupling of chlorinated aromatics. The results showed that this catalyst promised the reaction of not only aryl bromide, but also aryl chloride, and most products were synthesized in good to excellent yields. Moreover, the reused experiments confirmed that the catalyst can be recycled five times and present stable yields for reaction.

关 键 词：CU2O TiO2催化 N-芳基化 O-芳基化 回收利用 

分 类 号：O621.251[理学—有机化学]