化学学报 ›› 1990, Vol. 48 ›› Issue (11): 1120-1126. 上一篇    下一篇

研究论文

全氟(2,5-二甲基-3,6-二氧杂-8-氟磺酰基辛酰氟)在溶剂中的裂解

河永海;张林昌;李维钦;综保培   

  1. 中国科学院上海有机化学研究所
  • 发布日期:1990-11-15

The pyrolysis of perfluoro-(2,5-dimethyl-3,6-dioxa-8-fluoro sulfonyl octanoyl fluoride)in solvents

HE YONGHAI;ZHANG LINCHANG;LI WEIQIN;ZONG BAOPEI   

  • Published:1990-11-15

本文研究了标题化合物(2)在溶剂存在下与碳酸钠的裂解反应, 反应分二步进行, 第一步, α在60℃下与Na2CO3的反应生成羧酸钠盐(4)。第二步, ψ在180℃-220℃下脱羧, 分离鉴定了裂解产物, 并讨论其反应相理, 在研究副产物砜的形成的基础上, 合成了一系列含氟砜。

关键词: 溶剂, 钠化合物, 砜, 反应机理, 红外分光光度法, 气相色谱, 核磁共振谱法, 碳酸钠, 辛烷 P, 酰氟

The pyrolysis of perfluoro(2,4-dimethyl-3,6-dioxa-8-fluorosulfonyloctanoyl fluoride)(I) in the presence of Na2CO3 in a solvent was studied. The reaction took place in two steps, i.e. first, I reacted with sodium carbonate at a temperature of 60 癈 to form the sodium carboxylate, which was then decarboxylated at a temperature of 180-220 癈. The various reaction byproducts were separated and identified, and the reaction mechanism was studied.

Key words: SOLVENTS, SODIUM COMPOUNDS, SULFONE, REACTION MECHANISM, INFRARED SPECTROPHOTOMETRY, GAS CHROMATOGRAPHY, NMR SPECTROMETRY, SODIUM CARBONATE, OCTANE P, ACYL FLUORIDES

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