有机化学 ›› 1987, Vol. 7 ›› Issue (1): 59-61. 上一篇    下一篇

研究论文

膦, 胂叶立德的化学与应用II:甲氧羰基亚甲基三苯基膦与2-全氟炔腈反应的研究

丁维钰;魏嘉;浦家齐   

  1. 上海科技大学
  • 发布日期:1987-02-25

Chemistry and application of phosphonium and arsonium ylides II:Reaction of carbomethoxymethylenetriphenylphosphorane with 2-perfluoroalkynenitriles

DING WEIYU;WEI JIA;PU JIAQI   

  • Published:1987-02-25

甲氧羰基亚甲基三苯基膦与2-全氟炔腈在常温下反应生和Ph3P=C(COOCH3)C(Rf)=CHCN的混合物, 低温下(-78℃)反应仅生成后者.对反应机理作了推测.

关键词: 反应机理, 膦, 甲氧羰基, 三苯基膦, 炔烃 P, 腈, 胂, 全氟代烃, 内翁盐

Treating Ph3P:CHCO2Me with RCYCCN (R = C2F5, C3F7) at room temperature in CH2Cl2 gave a mixture of Ph3P:C(CN)CR:CHCO2Me and Ph3P:C(CO2Me)CR:CHCN (I), whereas at -78 癈 only I was obtained.

Key words: REACTION MECHANISM, PHOSPHINE, METHOXYCARBONYL GROUP, TRIPHENYLPHOSPHINE, ALKYNE P, NITRILE, ARSINE, PERFLUORO-HYDROCARBON, YLIDE

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