高等学校化学学报 ›› 1988, Vol. 9 ›› Issue (12): 1296.

• 论文 • 上一篇    下一篇

α,ω-二碘全氟乙烷和丁烷的一些反应

梅焕谋   

  1. 湖南大学化学系
  • 收稿日期:1987-07-11 出版日期:1988-12-24 发布日期:1988-12-24
  • 通讯作者: 梅焕谋

Some Reactions of α, ω-Diiodoperfluoroethane and α, ω-Diiodoperfluorobutane

Mei Huanmou   

  1. Department of Chemistry, Hunan University, Changsha
  • Received:1987-07-11 Online:1988-12-24 Published:1988-12-24

摘要: 近年来,以锌为催化剂用超声波进行氟烷基化反应已有不少报道[1],但反应物限于全氟烷基碘RFI。对于I(CF2)2I(Ⅰ)、I(CF2)4I(Ⅱ)这类α,ω-二碘全氟烷烃未见报道。作者用(Ⅰ)或(Ⅱ)在DMF或THF中,于室温下加入锌粉(锌粉经活化或未活化),立即有气体逸出,若施加超声波,气体更甚。加入碘苯亦无预期产物,这是符合β-断裂、碘极易脱离生成全氟烯烃之说的[2,3]

关键词: 氟烷基化, 光化学反应, 碘鎓化合物

Abstract: The fluoroalkylation of iodobenzene with α,ω-diiodoperfluorobutane (Ⅱ) in the presence of copper gave ω-iodoperfluorobutylbenzene. After etherific-ation with substituted thiophenol under UV, it afforded suitable bisthioethers. When α,ω-diiodoperfluoroethane (Ⅰ)was used, no such products were obtained. The treatments Of (Ⅰ) and (Ⅱ) with 35% H2O2 and (CF3CO)2O yielded corresponding iodonium compounds with good yields.

Key words: Fluoroalkylation, Photochemical reaction, lodonium compounds

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