有机化学 ›› 1996, Vol. 16 ›› Issue (3): 278-283. 上一篇    下一篇

研究论文

β-甲基-β-甲氧羰基乙基三氯化锡及其配合物的酯交换反应研究

田来进;傅芳信;朱东升;潘华德   

  1. 曲阜师范大学化学系;东北师范大学化学系
  • 发布日期:1996-06-25

The transesterification of β-methyl-β-methoxycarbonylethyltin trichloride and its complexes

TIAN LAIJIN;FU FANGXIN;ZHU DONGSHENG;PAN HUADE   

  • Published:1996-06-25

报道了β-甲基-β-甲氧羰基乙基三氯化锡及其二苄基亚砜、六甲基磷酰胺配合物和醇的酯交换反应, 合成了一系列的β-甲基-β-甲氧羰基乙基三氯化锡及其配合物, 利用元素分析、IR、^1H NMR对其结构进行了表征, 并提出了分子内Lewis酸催化的酯交换反应机理。

关键词: 甲氧羰基乙基三氯化锡 P, 交换反应, 催化, 二苄基亚砜, 反应机理, 结构表征, 六甲基磷酰胺配合物, 醇, 红外分光光度法, 质子磁共振谱法

The transesterification reaction of β-methyl-β- methoxycarbonylethyltin trichloride and its complexes with dibenzylsulfoxideand hexamethylphosphoramide was reported. A series of β-methyl-β-alkoxycarbonylethyltin trichlorides and their complexes were synthesized and characterized by elemental analysis, IR and ^1H NMR. A mechanism invdving intramolecular Lewis acid catalysis was suggested.

Key words: DIBENZYL SULFOXIDE, REACTION MECHANISM, EXCHANGE REACTION, INFRARED SPECTROPHOTOMETRY, ALCOHOL, STRUCTURE CHARACTERISTICS, PROTON MAGNETIC RESONANCE SPECTROMETRY, CATALYSIS

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