Synthesis and characterization of a new and electronically unusual uranium metallacyclocumulene, (C5Me5)2U(η4-1,2,3,4-PhC4Ph)

被引：27
作者：
Pagano, Justin K. [1 ,2 ]
Erickson, Karla A. [1 ]
Scott, Brian L. [1 ]
Morris, David E. [1 ]
Waterman, Rory [2 ]
Kiplinger, Jaqueline L. [1 ]
机构：
[1] Los Alamos Natl Lab, Los Alamos, NM 87545 USA
[2] Univ Vermont, Dept Chem, Cook Phys Sci Bldg, Burlington, VT 05405 USA
来源：
JOURNAL OF ORGANOMETALLIC CHEMISTRY | 2017年 / 829卷
基金：
美国国家科学基金会;
关键词：
Uranium; Pentamethylcyclopentadienyl; Metallacyclocumulene; Electronic spectroscopy; X-ray crystallography; RAY-ABSORPTION SPECTROSCOPY; DENSITY-FUNCTIONAL THEORY; ORGANO-METALLIC COMPOUNDS; EARLY ACTINIDE COMPLEXES; METALLOCENE DICHLORIDES; NOBEL LECTURE; MULTIELECTRON REDUCTANTS; OLEFIN-METATHESIS; HYDRIDE COMPLEXES; REACTIVITY;
D O I：
10.1016/j.jorganchem.2016.10.034
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
A new uranium metallacyclocumulene, (C5Me5)(2)U(eta(4)-1,2,3,4-PhC4Ph), was synthesized by both reaction of (C5Me5)(2)UCl2 with 1,4-diphenylbutadiyne in the presence of KC8 and by ligand exchange between (C5Me5)(2)U(eta(2)-Me3SiC2SiMe3) and 1,4-diphenylbutadiyne. Full characterization of (C5Me5)(2)U(eta(4)-1,2,3,4-PhC4Ph) is reported, including the solid-state structure. (C5Me5)(2)U(eta(4)-1,2,3,4-PhC4Ph) displays an unusually detailed UV visible spectrum, which is rare for uranium(IV) metallocene complexes. (C) 2016 Elsevier B.V. All rights reserved.
引用
收藏
页码：79 / 84
页数：6
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