Nickel-iron-sulfur complexes: approaching structural analogues of the active sites of NiFe-hydrogenase and carbon monoxide dehydrogenase/acetyl-CoA synthase

被引：53

作者：

Smith, MC

Barclay, JE

Cramer, SP

Davies, SC

Gu, WW

Hughes, DL

Longhurst, S

Evans, DJ

机构：

[1] John Innes Ctr Plant Sci Res, Dept Biol Chem, Norwich NR4 7UH, Norfolk, England

[2] Univ Calif Davis, Dept Appl Sci, Davis, CA 95616 USA

来源：

JOURNAL OF THE CHEMICAL SOCIETY-DALTON TRANSACTIONS | 2002年 / 13期

关键词：

D O I：

10.1039/b201578c

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

The NiFe-dinuclear complexes [{Fe(NS3)(CO)(2)-S,S'}NiCl(dppe)] 1, [{Fe(NS3)(CO)-S,S'}NiCl(dppe)](2), [{Fe(NS3)(NO)-S,S'}NiCl(dppe)] 3,[{Fe(NS3)(NO)-S,S'} Ni(CH3)(dppe)] 4, [Ni{Fe(NS3)(CO)-S,S'}(2)] 5 have been prepared using the anions [Fe(NS3)(CO)](-) and [Fe(NS3)(NO)](-) (NS3 = N(CH2CH2S)(3)(3-)) as chelate ligands to nickel. Crystal structure characterisation has been carried out on 1, 3 and 5. The spectroscopic properties of the complexes have been measured. Complex 1 is a good structural analogue of the active form of the active site of NiFe-hydrogenase. Complexes 1-5 also show features related to the active sites of the nickel enzymes carbon monoxide dehydrogenase and acetyl-CoA synthase.

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页码：2641 / 2647

页数：7

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