Polyfluoroorganoboron-Oxygen Compounds. 5 Feasible Routes to Perfluoroalkyltrimethoxyborates M[CnF2n+1B(OMe)3] (n ≥ 3)
作者:Nicolay Yu. Adonin、Vadim V. Bardin、Hermann-Josef Frohn
DOI:10.1002/zaac.200600357
日期:2007.4
A well applicable preparative method for lithium perfluoroalkyltrimethoxyborates, Li[CnF2n+1B(OMe)3] (n = 3, 4, 6), was elaborated which is based on the reaction of B(OMe)3 with CnF2n+1Li generated from CnF2n+1H and t-BuLi. Alternative perfluoroalkylation reactions of B(OMe)3 with perfluoropropyllithium generated from C3F7I and RLi, perfluoropropylmagnesium bromide, or perfluoropropyltrimethylsilane
基于B(OMe)3与CnF2n生成的CnF2n+1Li反应,阐述了一种适用于全氟烷基三甲氧基硼酸锂Li[CnF2n+1B(OMe)3](n=3,4,6)的制备方法+1H 和 t-BuLi。B(OMe)3 与由 C3F7I 和 RLi 生成的全氟丙基锂、全氟丙基溴化镁或全氟丙基三甲基硅烷和氟化钾的替代全氟烷基化反应对 M[C3F7B(OMe)3] 的结果不太满意。报道了 M[CnF2n+1B(OMe)3] 盐 (M = Li, BrMg) 向 K[CnF2n+1B(OMe)3] 盐的转化以及新盐的基本性质。