有机化学 ›› 2014, Vol. 34 ›› Issue (8): 1630-1638.DOI: 10.6023/cjoc201312022 上一篇    下一篇

研究论文

氧化石墨烯负载席夫碱钯催化剂的合成、表征及对Suzuki反应催化性能的研究

袁定重a,b, 陈碧波b   

  1. a 核资源与环境省部共建国家重点实验室培育基地 东华理工大学 南昌 330013;
    b 东华理工大学材料系 南昌 330013
  • 收稿日期:2014-12-18 修回日期:2014-04-08 出版日期:2014-08-25 发布日期:2014-04-16
  • 通讯作者: 袁定重 E-mail:ydz3214@126.com
  • 基金资助:
    国家自然科学基金(Nos.21004009,21264001)、江西省自然科学基金(No.20114BAB213011)、江西省教育厅基金(No.GJJ13447)、东华理工大学博士科研启动基金(No.DHBK1010)资助项目.

Synthesis and Characterization of Graphene Oxide Supported Schiff Base Palladium Catalyst and Its Catalytic Performance to Suzuki Reaction

Yuan Dingzhonga,b, Chen Bibob   

  1. a State Key Laboratory Breeding Base of Nuclear Resources and Environment, East China Institute of Technology, Nanchang 330013;
    b Department of Materials Science and Engineering, East China Institute of Technology, Nanchang 330013
  • Received:2014-12-18 Revised:2014-04-08 Online:2014-08-25 Published:2014-04-16
  • Supported by:
    Project supported by the National Natural Science Foundation of China (Nos. 21004009, 21264001), the Natural Science Foundation of Jiangxi Province (No. 20114BAB213011), the Science and Technology Project of Jiangxi Provincial Department of Education (No. GJJ13447) and the Doctoral Scientific Research Foundation of East China of Technology (No. DHBK1010).

以修饰的Hummers法制备的氧化石墨烯为载体,席夫碱为配体制备了一种新型的负载型钯催化剂,采用红外光谱仪、透射电镜、X射线光电子能谱仪、热重分析仪和X射线衍射仪等手段对负载型催化剂进行了表征,并评价了其对水相Suzuki反应的催化活性. 结果表明,该催化剂在较温和的实验条件下即可高效催化水相芳基卤与芳基硼酸的Suzuki反应,催化剂重复使用5次后,活性基本不变.

关键词: 氧化石墨烯, 席夫碱, Suzuki反应, 钯催化剂

Graphene oxide prepared by modified Hummers method was used to immobilize Shiff base palladium complex. The novel supported catalyst was characterized by transmission electron microscopy (TEM), X-ray diffraction (XRD), X-ray potoelectron sectroscopy (XPS), termogravity (TGA) and furier transform infrared spectrometer (FTIR). The supported palladium compound is an efficient catalyst for Suzuki reaction of aryl halides with phenylboronic acid to substituted trans-cinnamic acid or trans-stilbene at atmospheric condition in aqueous media, and the catalyst could be steadily dispersed in the reaction mixture. The supported catalyst still remains high activity after repeatedly five times.

Key words: graphene oxide, Schiff base, Suzuki reaction, palladium catalyst