首页 | 本学科首页   官方微博 | 高级检索  
     

偕胺肟纤维-钯(II)配合物催化溴吡啶与苯硼酸的偶联反应研究
引用本文:陶庭先,葛鑫,卢业能,杨泉. 偕胺肟纤维-钯(II)配合物催化溴吡啶与苯硼酸的偶联反应研究[J]. 精细化工, 2015, 32(8)
作者姓名:陶庭先  葛鑫  卢业能  杨泉
作者单位:安徽工程大学,安徽工程大学,安徽工程大学,安徽工程大学
基金项目:国家自然科学基金项目(面上项目,重点项目,重大项目)
摘    要:以偕胺肟化的聚丙烯腈纤维为配体,制备了偕胺肟纤维-钯(II)配合物[Pd(II)-AOFs],考察了Pd(II)-AOFs催化溴吡啶与苯硼酸偶联反应活性。结果显示,Pd(II)-AOFs对溴吡啶与苯硼酸及其衍生物的偶联反应展现出良好的催化活性。工艺优化结果表明:Pd(II)-AOFs(0.6 mol%)、溴吡啶(5 mmol),苯硼酸(5.5 mmol)、NaHCO3(10 mmol)为碱试剂、乙醇:水(V/V=2:1) 30 ml为溶剂、回流条件下,反应产率可达到90%以上,且表现出很宽的底物适应性,重复使用7次后产率仍达到90%。向反应体系中加入四丁基溴化铵(10 mol%),可大为缩短反应时间。

关 键 词:纤维钯配合物;溴吡啶;Suzuki反应;催化性能
收稿时间:2015-03-29
修稿时间:2015-05-21

Research on Catalyzed Bromopyridine Phenylboronic Coupling Reaction with [Pd(II)-AOFs]
TAO Tingxian,GE Xin,LU Yeneng and YANG Quan. Research on Catalyzed Bromopyridine Phenylboronic Coupling Reaction with [Pd(II)-AOFs][J]. Fine Chemicals, 2015, 32(8)
Authors:TAO Tingxian  GE Xin  LU Yeneng  YANG Quan
Affiliation:Anhui Polytechnic University,Anhui Polytechnic University,Anhui Polytechnic University,Anhui Polytechnic University
Abstract:The modified polyacrylonitrile fiber was used as carrier to prepare Pd(II)-AOFs. The catalytic performance of Bromopyridine and Phenylboronic acid coupling reaction on Pd(II)-AOFs was investigated. The results showed that the yield of [Pd(II)-AOFs] could reach 90% under following conditions: Bromopyridine (5 mmol), phenylboronic acid (5.5 mmol), solvent (C2H5OH/H2O, V/V=2:1, 30 ml), base (NaHCO3, 10 mmol), TBAB(10 mol%), reflux reaction time (30 min), Pd (II)-AOFs (0.6 mol%).The reaction also had a good adaptability on Bromopyridine and Phenylboronic acid/Its Derivatives coupling reaction, after repeated seven times the production was still 90%.When added TBAB the reaction time is greatly shorten.
Keywords:
点击此处可从《精细化工》浏览原始摘要信息
点击此处可从《精细化工》下载全文
设为首页 | 免责声明 | 关于勤云 | 加入收藏

Copyright©北京勤云科技发展有限公司  京ICP备09084417号