Acta Chimica Sinica ›› 2005, Vol. 63 ›› Issue (10): 924-928. Previous Articles     Next Articles

Original Articles

聚氯乙烯三乙撑四胺负载钯配合物的制备及对Heck反应的催化性能

张磊,崔元臣*   

  1. (河南大学化学化工学院 开封 475001)
  • 投稿日期:2004-08-02 修回日期:2005-01-25 发布日期:2010-12-10
  • 通讯作者: 崔元臣

Synthesis of Polyvinyl Chloride-triethylene-tetramine Supported Palladium Complex and Its Catalytic Properties for Heck Reaction

ZHANG Lei, CUI Yuan-Chen*   

  1. (College of Chemistry and Chemical Engineering, Henan University, Kaifeng 475001)
  • Received:2004-08-02 Revised:2005-01-25 Published:2010-12-10
  • Contact: CUI Yuan-Chen

Polyvinyl chloride-triethylene-tetramine was synthesized from polyvinyl chloride via amination, then polyvinyl chloride-triethylene-tetramine supported palladium complex (PVC-TETA-Pd) was prepared and characterized by XPS, TG, DTA, TEM, etc. PVC-TETA-Pd has good thermal stability from room temperature to 250 ℃. TEM confirms that Pd particles are spherical and have uniform distribution with the size of 2~3 nm. The complex is an efficient catalyst for Heck arylation of acrylic acid and styrene with iodoarenes under atmospheric condition, even at the low temperature (40 ℃) or few amount of the catalyst (0.02 mol% Pd). PVC-TETA-Pd can be easily separated and used repeatedly. Yield of cinnamic acid was 80.1% for Heck reaction of acrylic acid with iodoarene even though the complex was used 12 times.

Key words: polyvinyl chloride, triethylene-tetramine, palladium, supported catalyst, Heck reaction