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Amidophenolate Lanthanide Complexes and Their Multielectron Reactivity

delete2026-03-31
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PRE
AI
L
Landon O. King
K
Kelly L. Gullett
A
Andrew W. Mitchell
E
Ezra J. Coughlin
M
Mat­thias Zeller
S
Suzanne C. Bart *
DOI：10.1021/acs.inorgchem.5c06116delete
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摘要

摘要

En 中文
实现氧化还原受限镧系配合物的多电子反应性的一种通用方法是利用氧化还原活性配体，这允许在整个反应过程中配体上发生便捷的电子转移。我们课题组成功地利用了一种能够发生两电子还原事件的亚胺醌（iq）配体，在多种金属上分别形成亚胺半醌（isq）和酰胺苯酚盐（ap），以实现多电子反应性。在此，我们报道了两种三配位镧系配合物[Nd(ap)3]K3（Nd-L3）和[Yb(ap)3]K3（Yb-L3）以及一种双配位配合物[Yb(ap)2]K（Yb-L2）的合成与表征。将Nd-L3和Yb-L3与单质硫反应。在S8存在下，观察到快速的配体氧化，导致钾亚胺半醌配体的解离和S72–链的形成。替代地，当将S8加入Yb-L2中时，观察到配体氧化并形成了扭曲船型金属环[ Yb(S5)(isq)2](K18c6)（Yb–S5）。所有配合物均通过1H NMR光谱、电子吸收光谱和X射线晶体学进行了表征，以完全确定配体的氧化态。
Keyword:
Lanthanides
Ligands
Oxidation
Redox reactions
Sulfur

期刊

Inorganic Chemistry 封面图
Inorganic Chemistry
IF:
4.7
论文数:
4.9W
被引数:
10.5W

机构

P
Purdue University
学者数:
2.7W
论文数: 2.1W
被引数: 147
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