Pentagonal bipyramidal complexes of WOCl4 and WSCl4 with diphosphine and diarsine ligands
Pentagonal bipyramidal complexes of WOCl4 and WSCl4 with diphosphine and diarsine ligands
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WOCl4 和 WSCl4 与二膦和二胂配体的五角双锥体配合物
DOI:
10.1016/j.poly.2020.114372
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发表时间:
2020
期刊:
影响因子:
2.6
通讯作者:
Levason W
中科院分区:
文献类型:
--
作者:
Levason W
The seven-coordinate tungsten(VI) complexes, [WOCl4{o-C6H4(EMe2)2}] and [WSCl4{o-C6H4(EMe2)2}] (E = P, As), have been prepared by reaction of WOCl4or WSCl4with the ligands in anhydrous CH2Cl2or toluene, and fully characterised by microanalysis, IR,1H and31P{1H} NMR spectroscopy. The X-ray crystal structures of [WOCl4{o-C6H4(AsMe2)2}] and [WSCl4{o-C6H4(PMe2)2}] have been determined and revealed pentagonal bipyramidal geometries with axial O/Cl or S/Cl. Attempts to isolate similar complexes witho-C6H4(PPh2)2, PMe3or AsEt3were unsuccessful, due to facile reduction of the tungsten centre. Several reduction products have also been identified crystallographically, including the tungsten (V) species, [WOCl3{o-C6H4(PMe2)2}], [WOCl3{o-C6H4(PMe2)(P(O)Me2)}] and [WCl4{o-C6H4(PPh2)2}2][WCl6].
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DOI:
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发表时间:
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期刊:
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期刊:
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