[CpArNi{Ga(nacnac)}]: An Open-Shell Nickel(I) Complex Supported by a Gallium(I) Carbenoid (CpAr = C5(C6H4‑4-Et)5, nacnac = HC[C(Me)N-(C6H3)‑2,6‑iPr2]2)
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资源简介：
The 17 valence electron (VE) open-shell
nickel gallanediyl complex [CpArNi{Ga(nacnac)}] (3, Ar
= C5(C6H4-4-Et)5, nacnac
= HC[C(Me)N(C6H3-2,6-iPr2)]2), having an unsupported Ni–Ga bond,
was synthesized from [CpArNi(μ-Br)]2 (1)
by reducing the adduct [CpArNi(μ-Br){Ga(nacnac)}]
(2) or, alternatively, trapping the “CpArNiI” synthon with Ga(nacnac); spectroscopic and DFT studies
showed that the single unpaired electron in 3 resides mainly at the
Ni center.
合成了一种含有17个价电子（VE）的开壳镍加兰尼化物复合物[CpArNi{Ga(nacnac)}]（3，其中Ar = C5(C6H4-4-Et)5，nacnac = HC[C(Me)N(C6H3-2,6-iPr2)]2），该复合物中镍与镓之间的键未得到支撑。该化合物通过还原加合物[CpArNi(μ-Br)]2（1）或通过捕获“CpArNiI”前体与Ga(nacnac)反应而制备。光谱学和DFT研究表明，复合物3中的单个未成对电子主要位于镍中心。
提供机构：
ACS Publications
