化学学报 ›› 2003, Vol. 61 ›› Issue (11): 1786-1791. 上一篇    下一篇

研究论文

乙二胺基和2,4-戊二酮官能化介孔分子筛固载钼(Ⅵ):新型的环己烯环氧化催化剂

杨恒权;张高通;洪昕林;朱银燕   

  1. 武汉大学化学与分子科学学院
  • 发布日期:2003-11-15

Ethylenediamino and 2,4-Pentanedione-functionalized Mesoporous Sieves Immobilizing Mo (VI) as Novel Catalysts for Cyclohexene Epoxidation

Yang Hengquan;Zhang Gaoyong;Hong Xinlin;Zhu Yinyan   

  1. School of Chemistry and Molecular Science, Wuhan University
  • Published:2003-11-15

通过对介孔分子筛HMS和MCM-41表面修饰,将乙二胺基和2,4-戊二酮引入到介 孔分子筛孔道内,制备出乙二胺基和戊二酮官能化介孔分子筛。首次将烯烃环氧化 均相催化剂MoO_2(acac)_2固载到乙二胺基和戊二酮官能化介孔分子筛孔道内,制 备出新型的、易回收、可重复使用的烯烃环氧化多相催化剂。环已烯催化环氧化表 明,该催化剂的催化活性与均相催化剂MoO_2(acac)_2相当,选择性大于80%。

关键词: 分子筛, 杂化材料, 乙二胺 P, 戊二酮 P, 催化活性, 烯烃, 环氧化反应

Ethylenediamino and 2, 4-pentanedione-functionalized mesoporous molecular sieves were achieved by modfication of mesoporous HMS or MCM- 41. The homogeneous Mo02(acac)2 species was first heterogenized onto the organically functionalized mesoporous molecular sieves, resulting in the hybrid catalysts for cyclohexene epoxidation. The developed catalysts exhibited as high activity as their homogeneous one for cyclohexene epoxidation, and the selectivity was up to 80%

Key words: MOLECULAR SIEVE, HYBRID MATERIALS, ETHANEDIAMINE P, PENTANEDIONE P, CATALYTIC REACTION, ALKENE, EPOXIDATION REACTION

中图分类号: