有机化学 ›› 1987, Vol. 7 ›› Issue (2): 128-132. 上一篇    下一篇

研究论文

二茂镱苯甲酸衍生物的合成

沈富仁;叶钟文   

  1. 安徽师范大学化学系
  • 发布日期:1987-04-25

Synthesis of dicyclopentadienyl ytterbium benzoate derivatives

SHEN FUREN;YE ZHONGWEN   

  • Published:1987-04-25

本文合成了六种新的二茂镱苯甲酸衍生物:Cp2YbOCOC6H4(o-OC2H5),Cp2YbOCOC6H4-(o-OCH2CH2CH3),Cp2YbOCOC6H4(o-Cl),Cp2YbOCOC6H4(o-Br),Cp2YbOCOC6H4(o-I)及Cp2YbOCOC6H4(o-NHC6H5).这些化合物经元素分析, 红外光谱, 质谱及光电子能谱鉴定, 确证为羧酸阴离子与二茂镱的桥式配位二聚体结构. 分子中苯甲酸阴离子的邻位取代基上的配位原子(O,Cl,Br,I,N)与镱均有微弱的络合.这些化合物在空气中均较它们的母体(CP2YbOCOC6H5)稳定.

关键词: 红外分光光度法, 元素分析, 质谱法, 环戊二烯 P, 苯甲酸 P, 光电子谱法, 金属茂络合物, 镱络合物, 镧系元素化合物

Title compounds Cp2YbO2CC6H4R-2 (I, R = EtO, PrO, Cl, Br, iodo, anilino) were prepared in 36-60% yield by stirring Cp2YbCl with 2-RC6H4CO2Na in THF at room temperature for 12 h. I were dimers with O-substituted benzoate ions as bridging groups and all the compounds were more stable than the parent compound Cp2YbOBz.

Key words: INFRARED SPECTROPHOTOMETRY, ELEMENTAL ANALYSIS, MASS SPECTROGRAPHY, CYCLOPENTADIENE P, BENZENECARBOXYLIC ACID P, PHOTOELECTRON SPECTROSCOPY, METALLOCENES, YTTERBIUM COMPLEX, LANTHANIDE SERIES COMPOUNDS

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