Bis(pentafluorophenyl)phosphinous acid in the synthesis of P,P-bis(pentafluorophenyl)phosphorylalkanones and -alkanediones
作者:E. I. Goryunov、I. B. Goryunova、Yu. V. Nelyubina、N. G. Frolova、E. D. Savin、T. V. Strelkova、M. P. Pasechnik、V. K. Brel
DOI:10.1007/s11172-014-0741-1
日期:2014.10
Addition of bis(pentafluorophenyl)phosphinous acid to α,β-alkenones and α,β,β’-alkene-diones in anhydrous Et2O (the solvent, in which the P-OH tautomeric form predominates) proceeds rapidly and regiospecifically at the C=C bond of the substrate at room temperature in the absence of catalysts. The reaction leads to bis(pentafluorophenyl)phosphorylated alkanones and alkanediones, as a rule, in the yields
在无水 Et2O(溶剂,其中 P-OH 互变异构形式占主导地位)中,将双(五氟苯基)次膦酸添加到 α,β-烯烃和 α,β,β'-烯烃-二酮中,在 C= 处快速且区域特异性地进行在没有催化剂的情况下,基材在室温下的 C 键。该反应产生双(五氟苯基)磷酸化烷酮和烷二酮,通常收率接近定量,可被视为合成相应官能化氧化膦的高效方法。所得化合物的结构通过红外光谱和核磁共振光谱以及X射线衍射分析确定。