Metal-ligand cooperation in H2 activation with iron complexes bearing hemilabile bis(diphenylphosphino)amine ligands.
Metal-ligand cooperation in H2 activation with iron complexes bearing hemilabile bis(diphenylphosphino)amine ligands.
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带有半不稳定双(二苯基膦)胺配体的铁配合物在H2活化中的金属-配体合作
DOI:
10.1021/ic5022164
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发表时间:
2014
影响因子:
4.6
通讯作者:
R. Langer
中科院分区:
文献类型:
--
作者:
N. Frank;K. Hanau;R. Langer
The octahedral transition-metal complex [(dppa)Fe(Ph2P–N–PPh2)2] (1) [dppa = bis(diphenylphosphino)amine] with homofunctional bidentate ligands is described. The ligand exhibits hemilability due to its small bite angle and the steric repulsion of the coordinated donor groups. As the {Ph2P–N–PPh2}−ligand can act as an internal base, heterolytic cleavage of dihydrogen by complex1leads to the formation of the hydride complex [(dppa)(Ph2P–N–PPh2)Fe(H)(κ1-Ph2P–NH–PPh2)2] (2), representing an example of cooperative bond activation with a homofunctional hemilabile ligand. This study demonstrates that hemilability of homofunctionalized ligands can be affected by careful adjustment of geometric parameters.
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DOI:
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