The co-ordination chemistry of TIN(IV) halides with chelating group 16 donor ligands

被引:0
作者
Genge, ARJ [1 ]
Levason, W [1 ]
Reid, G [1 ]
机构
[1] Univ Southampton, Dept Chem, Southampton SO17 1BJ, Hants, England
关键词
tin; thioether; selenoether; telluroether; NMR; X-ray;
D O I
暂无
中图分类号
O61 [无机化学];
学科分类号
070301 ; 081704 ;
摘要
SnX4 reacts with thio-, seleno- and telluro-ethers in dry CHCl3 solution to give the six coordinate species [SnX4(Me2E)(2)] [X=Cl, Pr or I; E = S, Se or Te] or [SnX4(L-L) [L-L = RE(CH2)(n)ER or o-C6H4(EMe)(2) where R = Me or Ph, n = 1-3 for E = S or Se, and n = 1 or 3 for E = Te] in high yields as pale white or yellow powdered solids. The ditelluroether compounds are very unstable, but their poor solubility aided isolation. X-Ray structural studies of the complexes formed confirm an E2X4 donor set with the bidentate ligand chelating. Variable-temperature solution NMR studies show the complexes are extremely labile and ligand dissociation and pyramidal inversion are fast except at low temperatures.
引用
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页码:99 / 105
页数:7
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