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首页> 外文期刊>Dalton transactions: An international journal of inorganic chemistry >Synthesis and characterization of Pd-II-methyl complexes with N-heterocyclic carbene-amine ligands
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Synthesis and characterization of Pd-II-methyl complexes with N-heterocyclic carbene-amine ligands

机译:具有N-杂环卡宾-胺配体的Pd-II-甲基配合物的合成与表征

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摘要

A number of palladium(II) complexes with a heteroditopic NHC-amine ligand and their precursor silver(I) carbene complexes have been efficiently prepared and their structural features have been investigated. The heteroditopic coordination of this ligand class was unequivocally shown by NMR-spectroscopy and X-ray crystallographic analysis. The neutral and cationic cis-methyl-palladium(NHC) complexes are not prone to reductive elimination, which is normally a major degenerative pathway for this type of complex. In contrast, under carbon monoxide atmosphere rapid reductive elimination of the acyl-imidazolium salt was observed.
机译:已经有效地制备了许多具有异位NHC-胺配体的钯(II)配合物及其前体银(I)卡宾配合物,并对其结构特征进行了研究。通过NMR谱和X射线晶体学分析明确显示了该配体类别的异位配位。中性和阳离子的顺式-甲基-钯(NHC)配合物不易于还原消除,这通常是这类配合物的主要变性途径。相反,在一氧化碳气氛下,观察到了酰基咪唑鎓盐的快速还原消除。

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