A new weakly coordinating aluminate anion incorporating a chelating perfluoro-bis-anilido ligand
作者:Joshua C. Smith、Kuangbiao Ma、Warren E. Piers、Masood Parvez、Robert McDonald
DOI:10.1039/c0dt00846j
日期:——
The synthesis of the fully fluorinated bis-anilido ligand N,N′-bis-pentafluorophenyl-3,4,5,6-tetrafluorophenylene-1,2-diamine, 1 is described. Reaction of one or two equivalents of 1 with AlMe3 gives aluminium compounds incorporating one or two ligands, the latter being the protonated form of a new weakly coordinating anion (WCA), 3-H. Alternatively, reaction of 1 with LiAlH4 yields the lithium salt of this anion, 3-Li, which may be employed as a reagent for preparing the trityl and N,N-dimethylanilinium salts of the aluminate anion. All ion pairs are fully characterized and the use of 3-Ph3C to generate titanium-based alkyl cations is also described.
本文介绍了全氟双苯胺配体 N,N′-双五氟苯基-3,4,5,6-四氟苯-1,2-二胺 1 的合成。将一个或两个当量的 1 与 AlMe3 反应,可得到含有一个或两个配位体的铝化合物,后者是新的弱配位阴离子(WCA)3-H 的质子化形式。或者,将 1 与 LiAlH4 反应,可得到该阴离子的锂盐 3-Li,该锂盐可用作制备铝酸盐阴离子的三苯甲基和 N,N-二甲基苯胺盐的试剂。对所有离子对进行了全面描述,并介绍了使用 3-Ph3C 生成钛基烷基阳离子的方法。