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有机化学
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有机化学 ›› 1992, Vol. 12 ›› Issue (2): 151-155. 上一篇    下一篇

研究论文

含氟环形硅氧烷的立体异构和稳定性

俞槐根;张文华;姚爱芬;任连生;倪弘熙   

  1. 上海市有机氟材料研究所
  • 发布日期:1992-04-25

The steroisomerism and stability of fluorine containing cyclosiloxane

YU HUAIGEN;ZHANG WENHUA;YAO AIFEN;REN LIANSHENG;NI HONGXI   

  • Published:1992-04-25

被引次数

2

文献曾报道, 1,3,5-三(3,3,3-三氟丙基)-1,3,5-三甲基环三硅氧烷(简称D^F~3)有两种立体异构体, 即顺式和反式。1,3,5,7-四(3,3,3-三氟丙基)-1,3,5,7-四硅氧烷(简称D^F~4)有四种异构体。但未报道其结构特点。本文试图进一步探讨D^F~3和D^F~4的立体异构体的结构和稳定性。

关键词: 稳定性, 氟19核磁共振谱法, 立体异构, 质谱法, 有机氟化合物, 结构分析, 环硅氧烷, 熔点

Four isomers of 1,3,5-tri(3,3,3-trifluoropropyl)-1,3,5-trimethylcyclotrisiloxane and four isomers of 1,3,5,7-tetra(3,3,3-trifluoropropyl)-1,3,5,7-tetramethylcyclotetrasiloxane have been separated, and their m.p. determine Their structure and stability were characterized by 19F NMR, 1H NMR and mass spectra.

Key words: MASS SPECTROGRAPHY, STABILITY, STEREOISOMERISM, STRUCTURAL ANALYSIS, ORGANO FLUORINE COMPOUNDS, CYCLOSILOXANE, MELTING POINT, F19 NMR SPECTROMETRY

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