Chin. J. Org. Chem. ›› 2013, Vol. 33 ›› Issue (08): 1734-1740.DOI: 10.6023/cjoc201302023 Previous Articles     Next Articles



聂广瑞a, 张磊a, 崔元臣a,b   

  1. a 河南大学化学化工学院 开封 475004;
    b 河南大学特种功能材料重点实验室 开封 475004
  • 收稿日期:2013-02-28 修回日期:2013-04-08 发布日期:2013-04-17
  • 通讯作者: 崔元臣

Synthesis of Poly(p-aminophenol) Microsphere-Supported Palladium Complex and Evaluation of Its Catalytic Performance for Heck Reaction

Nie Guangruia, Zhang Leia, Cui Yuanchena,b   

  1. a College of Chemistry and Chemical Engineering, Henan University, Kaifeng 475004;
    b Key Laboratory of Ministry of Education for Special Functional Materials, Henan University, Kaifeng 475004
  • Received:2013-02-28 Revised:2013-04-08 Published:2013-04-17

Poly(p-aminophenol) microspheres were prepared by template polymerization of p-aminophenol in the presence of horseradish peroxidase as bio-enzyme catalyst. The average size of poly(p-aminophenol) microsphere is about 2 μm. Further, poly(p-aminophenol) microspheres as obtained were loaded with palladium to generate poly(p-aminophenol) microsphere-supported Pd complex. Resultant Pd complex catalyst supported by poly(p-aminophenol) microsphere was characterized by means of IR, XRD, XPS, SEM, TG etc. XPS confirms the presence of zerovalent palladium. Poly(p-aminophenol) microsphere maintains their configuration after coordination with palladium chloride, while a large number of fine Pd particulates are uniformly adsorbed on poly(p-aminophenol) microspheres. The complex is an efficient catalyst for Heck arylation of acrylic acid, styrene with aryl iodide under solvent-free condition and it also exhibits catalytic activity for activated bromobenzene. Yield of cinnamic acid was 92% for Heck reaction of acrylic acid with iodobenzene even though the complex was used 5 times.

Key words: enzymatic, poly(p-aminophenol) microsphere, supported, palladium, Heck reaction