Platinum complexes of a boron-rich diphosphine ligand

被引：10
|
作者：
Drover, Marcus W. [1 ]
Bowes, Eric G. [2 ]
Dufour, Maeve C. [1 ]
Lesperance-Nantau, Lindsay A. [1 ]
机构：
[1] Univ Windsor, Dept Chem & Biochem, 401 Sunset Ave, Windsor, ON N9B 3P4, Canada
[2] Los Alamos Natl Lab, Chem Div, Los Alamos, NM 87545 USA
来源：
DALTON TRANSACTIONS | 2020年 / 49卷 / 45期
基金：
加拿大自然科学与工程研究理事会;
关键词：
LEWIS-ACID; REDUCTIVE ELIMINATION; AMBIPHILIC LIGANDS; IRON(II) COMPLEXES; ELECTRON-POOR; TRIS(PENTAFLUOROPHENYL)BORANE; REACTIVITY; METAL;
D O I：
10.1039/d0dt00963f
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
Herein, we describe the preparation, characterization, and reactivity of two Pt-II bis-hydrocarbyl complexes containing the 1,2-bis(di(3-dicyclohexylboraneyl)propylphosphino)ethane (P2B4Cy) ligand. These scaffolds are readily accessed from four-fold hydroboration of 1,2-bis(diallylphosphino)ethane Pt-II precursors. The electrophilcity of such frameworks is showcased by facile coordination of the strong Lewis base, 4-N,N-dimethylaminopyridine (DMAP). Thermolysis reactions of [Pt(P2B4Cy)(R)(2)] (R = CH3 or Ph) show enhanced (and divergent) reactivity when compared to their "all-alkyl" diphosphine counterparts, implicating involvement of the pendant borane groups. This behaviour is attenuated by protection of these units with DMAP.
引用
收藏
页码：16312 / 16318
页数：7
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