Homologous Series of Heavier Element Dipnictenes 2,6-Ar<sub>2</sub>H<sub>3</sub>C<sub>6</sub>E=EC<sub>6</sub>H<sub>3</sub>-2,6-Ar<sub>2</sub> (E = P, As, Sb, Bi; Ar = Mes = C<sub>6</sub>H<sub>2</sub>-2,4,6-Me<sub>3</sub>; or Trip = C<sub>6</sub>H<sub>2</sub>-2,4,6-<sup>i</sup>Pr<sub>3</sub>) Stabilized by <i>m</i>-Terphenyl Ligands
作者:Brendan Twamley、Chadwick D. Sofield、Marilyn M. Olmstead、Philip P. Power
DOI:10.1021/ja983999n
日期:1999.4.1
The synthesis and characterization of several m-terphenyl heavier main group 15 (P, As, Sb, or Bi) dihalides, together with their reduction to give a homologous series of double-bonded dipnictenes, are reported. Reaction of LiC6H3-2,6-Mes2 (Mes = C6H2-2,4,6-Me3) or LiC6H3-2,6-Trip2 (Trip = C6H2-2,4,6-iPr3) with the appropriate trihalide affords 2,6-Mes2H3C6ECl2 (E = As, 1; Sb, 2; Bi, 3) and 2,6-Trip2H3C6ECl2
报道了几种间三联苯较重的主族 15(P、As、Sb 或 Bi)二卤化物的合成和表征,以及它们的还原反应,以产生一系列双键双联烯。LiC6H3-2,6-Mes2 (Mes = C6H2-2,4,6-Me3) 或 LiC6H3-2,6-Trip2 (Trip = C6H2-2,4,6-iPr3) 与适当的三卤化物反应得到 2, 6-Mes2H3C6ECl2 (E = As, 1; Sb, 2; Bi, 3) 和 2,6-Trip2H3C6ECl2 (E = P, 4; As, 5; Sb, 6; Bi, 7)。化合物1-7通过1H和13C NMR光谱以及在4的情况下通过31P NMR光谱表征。此外,确定了3、5和6的结构。用钾在己烷中还原磷物质 4 得到二膦 2,6-Trip2H3C6PPC6H3-2,6-Trip2, 12 和磷芴物质 1-(2,4,6-三异丙基苯基)-5,7 的混合物-二异丙基-9-磷芴,11。