高等学校化学学报 ›› 2000, Vol. 21 ›› Issue (8): 1248.

• 论文 • 上一篇    下一篇

Keggin结构稀土钼钒磷四元杂多配合物的合成、表征及苯酚羟化制苯二酚的催化活性

林深, 郑瑛, 许利闽, 王世铭   

  1. 福建师范大学化学系, 福州 350007
  • 收稿日期:1999-11-24 出版日期:2000-08-24 发布日期:2000-08-24
  • 通讯作者: 林 深(1957年出生),女,硕士,副教授,主要从事催化和结构化学研究.E-mail:linshen@pub5.fz.fj.cn E-mail:linshen@pub5.fz.fj.cn
  • 基金资助:

    福建省科学技术委员会基金(批准号:KE1134)

Synthesis, Characterization and Catalytic Activity for Phenol Hydroxylation of Rare Earth Molybdovanadophosphate Tetrabasic Heteropoly Complexes with Keggin Structure

LIN Shen, ZHENG Ying, XU Li-Min, WANG Shi-Ming   

  1. Department of Chemistry, Fujian Normal University, Fuzhou 350007, China
  • Received:1999-11-24 Online:2000-08-24 Published:2000-08-24

摘要: 合成了5种通式为(NH4)15[RE(PMo9V2O39)2]·xH2O(RE=La3+,Ce3+,Gd3+,Y3+,Yb3+)的稀土钼钒磷四元杂多配合物,并用IR,UV,XRD,ICP,TG-DTA和CV等手段对其结构和性能进行了表征.催化活性实验表明,标题化合物对苯酚过氧化氢羟化制苯二酚反应有良好的催化活性.

关键词: 杂多配合物, 苯酚羟化, 过氧化氢, 稀土

Abstract: Five rare earth molybdovanadophosphate heteropoly complexes were synthesized. Their general molecular formulas are (NH4)15 [RE(PMo9V2O39 )2]·xH2O(RE=La3+ , Ce3+ , Gd3+ , Y3+ , Yb3+ ). Their structures and properties were investigated by IR, UV, XRD, ICP, TG DTA, and cyclic voltammogram. The results show that these five complexes have the same Keggin structure and excellent catalytic activity for phenol hydroxylation with H2O2 to diphenol.

Key words: Heteropoly complex, Phenol hydroxylation, Hydrogen peroxide, Rare earth

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