作者:James W. Emsley、William Levason、Gillian Reid、Wenjian Zhang、Giuseppina De Luca
DOI:10.1016/j.jfluchem.2017.02.007
日期:2017.5
the reaction of [WOF4(MeCN)] and PMe3 forms the six-coordinate [WOF4(PMe3)]. These unusual W(VI) complexes have been characterised by microanalysis, IR, 1H, 19F1H} and 31P1H} NMR spectroscopy. The second-order 19F1H} and 31P1H} NMR spectra of the [WOF4(diphosphine)] have been analysed. Similar complexes do not form with the other o-phenylene-linked bidentate ligands, o-C6H4(PPh2)2, o-C6H4(AsMe2)2
[WOF 4(MeCN)]与二膦,Me 2 PCH 2 CH 2 PMe 2或oC 6 H 4(PMe 2)2在无水Et 2 O中的反应产生了高产率的[WOF 4(二膦)],其X射线晶体结构揭示了具有轴向O / F的七坐标五边形双锥体分子。相反,[WOF 4(MeCN)]和PMe 3的反应形成六坐标[WOF 4(PMe 3)]。这些不寻常的W(VI)配合物已通过显微分析,IR,1 H,19 F 1 H}和31 P 1 H} NMR光谱。分析了[WOF 4(diphosphine)]的二阶19 F 1 H}和31 P 1 H} NMR光谱。类似的络合物不会与其他邻亚苯基连接的二齿配体oC 6 H 4(PPh 2)2,oC 6 H 4(AsMe 2)2或oC 6 H 4(SMe)2形成。