Reversible absorption of sulfur dioxide by bis(diphenylphosphino)ethanenickel(II) aryldithiolates

被引：24

作者：

Darkwa, J

机构：

[1] Department of Chemistry, University of the North, Sovenga 0727

来源：

INORGANICA CHIMICA ACTA | 1997年 / 257卷 / 01期

关键词：

nickel complexes; dithiolato complexes; crystal structures; sulfur dioxide absorption;

D O I：

10.1016/S0020-1693(96)05459-X

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

Reaction of dithiols with Ni(dppe)Cl-2 gave monomeric or dimeric dithiolato compounds depending on the nature of the dithiol. Toluene-dithiol (TDT) and 1,2-benzenedithiol (I,2-BDT) gave Ni(dppe)(TDT) (I) and Ni(dppe)(1,2-BDT) (2), respectively, whereas 1,3-benzenedithiol (1,3-BDT) gave [Ni(dppe)Cl](2)(1,3-BDT) (3). Single crystal X-ray diffraction studies of 2 showed a square planar nickel environment. Complexes 1 and 2 reacted rapidly and reversibly with SO2 to form 1 . SO2 and 2 . SO2, respectively. The reversibility of the SO2 reactions was established by a combination of UV-Vis and H-1 NMR spectroscopy.

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页码：137 / 141

页数：5

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