高等学校化学学报

高等学校化学学报 ›› 1988, Vol. 9 ›› Issue (11): 1168.

• 论文 • 上一篇    下一篇

聚苯乙烯基二苯基膦-四氯化钛复合物的研究

沈吉1, 冉瑞成2   

  1. 1. 北京化学纤维工学院化学系;
    2. 北京大学化学系
  • 收稿日期:1987-02-05 出版日期:1988-11-24 发布日期:1988-11-24
  • 通讯作者: 沈吉

Poly(Styryl)biphenylphosphine-Titanium Tetrachloride Complex

Shen Ji1, Ran Ruicheng2   

  1. 1. Department of Chemistry, Beijing Chemical Fiber College, Beijing;
    2. Department of Chemistry, Peking University, Beijing
  • Received:1987-02-05 Online:1988-11-24 Published:1988-11-24

PDF (PC)

摘要： 本文合成了一种交联的聚苯乙烯基二苯基膦载体小球(含有5.02％的P),在氯仿中与四氯化钛反应形成一种十分稳定的高分子络合物A(/Ph3P-TiCl4-PPh3-)(含15.8％Cl)相当于1g络合物小球络合0.831molTiCl4。此络合物对于酯化、缩醛、缩酮、成醚等有机反应均有较高的产率。

关键词: 高分子载体, 路易斯酸, 催化剂与催化作用, 四氯化钛

Abstract: Across-linked bead of poly (styryl) biphenylphosphine containing 5.02% of phosphine was synthesized and combined with titanium tetrachloride in chloroform to form a very stable polystyrene bound bi(triphenylphosphine) -titanium tetrachloride complex containing 15.8% of chlorine which corresponds to 0.831mmol TiCl4/1g·complex beads. The complex can be used to catalyze a lot of organic reactions, such as esterifications, acetalizations, ketal formations and etherification in high yield. It is important that the complex as a polymer-supported Lewis acid catalyst have better stability and can be reused at least 10 times.

Key words: Polymer-supporter, Lewis acid, Catalyst and catalysis, Titanium tetrachloride

TrendMD: