Oxidative Addition of C–H Acids to bis(1,5-cyclooctadiene) Ni(0)Ni(COD)2 Complex

被引：0
|
作者：
E. H. Ismailov
Ya. A. Abbasov
S. N. Osmanova
T. G. Zeynalova
机构：
[1] Institute of Catalysis and Inorganic Chemistry named after Academician M. Naghiyev of NAS of Azerbaijan,
[2] Institute of Petrochemical Processes named after Academician Yu. Mamedaliyev of NAS of Azerbaijan,undefined
[3] Azerbaijan University of Architecture and Construction,undefined
来源：
Theoretical and Experimental Chemistry | 2021年 / 56卷
关键词：
complexes of nickel(0); C–H acids; oxidation; EPR spectra;
D O I：
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中图分类号：
学科分类号：
摘要：
The paramagnetic Ni(I) complexes and the products of their reactions with ethylene in catalytic systems based on the Ni(COD)2, Ni(PPh3)4 complexes and C–H acids (β-diketones, 1,3-cyclopentadiene) have been identified. It is assumed that the Ni(COD)2 and Ni(PPh3)4 reactions with these C–H acids occur with the oxidation of Ni(0) to Ni(II) as a result of the oxidative addition of β-diketone (1,3-cyclopentadiene) to Ni(COD)2 or Ni(PPh3)4 in the first stage and the disproportionation of Ni(II) + Ni(0) ↔ 2Ni(I) with the formation of paramagnetic complexes of monovalent nickel at the second stage.
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页码：412 / 416
页数：4
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