Nickel Complexes of Allyl and Vinyldiphenylphosphine

IF 3.3 Q2 CHEMISTRY, MULTIDISCIPLINARY
Marissa L. Clapson, David J. Nelson* and Marcus W. Drover*, 
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引用次数: 0

Abstract

Monodentate phosphine-ligated nickel compounds, e.g., [Ni(PPh3)4] are relevant as active catalysts across a broad range of reactions. This report expands upon the coordination chemistry of this family, offering the reactivity of allyl- and vinyl-substituted diphenylphosphine (PPh2R) with [Ni(COD)2] (COD = 1,5-cyclooctadiene). These reactions provide three-coordinate dinickelacycles that are intermolecularly tethered through adjacent {Ni}-olefin interactions. The ring conformation of such cycles has been studied in the solid-state and using theoretical calculations. Here, a difference in reaction outcome is linked to the presence of an allyl vs vinyl group, where the former is observed to undergo rearrangement, bringing about challenges in clean product isolation.

Abstract Image

烯丙基和乙烯基二苯基膦的镍配合物
单齿膦连接的镍化合物,例如[Ni(PPh3)4]在广泛的反应中作为活性催化剂是相关的。本报告扩展了该家族的配位化学,提供了烯丙基和乙烯基取代的二苯基膦(PPh2R)与[Ni(COD)2](COD=1,5-环辛二烯)的反应性。这些反应提供了三个配位的dinickelacycle,它们通过相邻的{Ni}-olefin互动。已经在固态和理论计算中研究了这种环的环构象。在这里,反应结果的差异与烯丙基与乙烯基的存在有关,其中观察到前者发生重排,这给清洁产品分离带来了挑战。
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来源期刊
ACS Organic & Inorganic Au
ACS Organic & Inorganic Au 有机化学、无机化学-
CiteScore
4.10
自引率
0.00%
发文量
0
期刊介绍: ACS Organic & Inorganic Au is an open access journal that publishes original experimental and theoretical/computational studies on organic organometallic inorganic crystal growth and engineering and organic process chemistry. Short letters comprehensive articles reviews and perspectives are welcome on topics that include:Organic chemistry Organometallic chemistry Inorganic Chemistry and Organic Process Chemistry.
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