Complexes of a Frustrated Lewis Pair-Supported P(−1) Ligand

IF 3.7 2区化学 Q2 CHEMISTRY, MULTIDISCIPLINARY

Chemistry - A European Journal Pub Date : 2024-08-30 DOI:10.1002/chem.202402899

Brandon L. Frenette, Dr. Michael J. Ferguson, Prof. Dr. Eric Rivard

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Abstract

Several complexes of the intramolecular frustrated Lewis pair (FLP)-supported P(−1) ligand [ⁱPr₂P(C₆H₄)BCy₂{P}]⁻ are presented (Cy=cyclohexyl). Chief among these is the first example of a monomeric zinc bis(phosphido) complex, which was synthesized as a potential precursor for the solution-phase deposition of Zn₃P₂. While this goal was ultimately unsuccessful, the Zn(II) complex acts as a convenient springboard to other metal phosphide species via transmetallation: affording a tellurium bis(phosphido) complex and a formal adduct of the phosphorus subhalide PPCl₂. Trapping experiments show that the PPCl₂ adduct can also be prepared directly through the in situ reduction of PCl₃ in the presence of an intramolecular FLP ligand. Lastly, we report a formal η²-phosphaborene complex of cobalt(−1) which is isoelectronic to olefin complexes, and explore its bonding via density functional theory (DFT) computations.

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受挫路易斯配对支持的 P(-1) 配体的配合物。

本文介绍了几种分子内受挫路易斯对（FLP）支持的 P(-1) 配体 [iPr2P(C6H4)BCy2{P}]- 的配合物（Cy = 环己基）。其中最重要的是第一个单体双（磷）锌络合物的例子，该络合物是作为溶液相沉积 Zn3P2 的潜在前体而合成的。虽然这一目标最终未能实现，但锌 (II) 复合物却为通过跨金属化反应制备其他金属磷化物（即碲双磷化物和亚卤化磷 PPCl2 的形式加合物）提供了方便的跳板。诱捕实验表明，PPCl2 加合物也可以在分子内 FLP 配体存在的情况下，通过 PCl3 的原位还原直接制备。最后，我们报告了一种钴（-1）的η2-磷杂蒽形式络合物，它与烯烃络合物是等电子的，并通过密度泛函理论（DFT）计算探讨了它的键合。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Chemistry - A European Journal 化学-化学综合

CiteScore

7.90

自引率

4.70%

发文量

1808

审稿时长

1.8 months

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