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Phosphine-substituted diiron 1,2-dithiolate complexes as the models for the active site of [FeFe]-hydrogenases
Journal of Coordination Chemistry ( IF 2.2 ) Pub Date : 2019-08-03 , DOI: 10.1080/00958972.2019.1665648
Lin Yan 1 , Jiao He 2 , Xu-Feng Liu 1 , Yu-Long Li 2 , Zhong-Qing Jiang 3 , Hong-Ke Wu 4
Affiliation  

Abstract In this article, five diiron 1,2-dithiolate complexes containing phosphine ligands are reported. Treatment of complex [Fe2(CO)6(μ-SCH2CH2S)] (1) with the phosphine ligands tris(4-methylphenyl)phosphine, tris(4-methoxyphenyl)phosphine, tris(3-chlorophenyl)phosphine, tris(3-methylphenyl)phosphine, or 2-(diphenylphosphino)biphenyl in the presence of Me3NO·2H2O as the decarbonylating agent afforded the target products [Fe2(CO)5(L)(μ-SCH2CH2S)] [L = P(4-C6H4CH3)3, 2; P(4-C6H4OCH3)3, 3; P(3-C6H4Cl)3, 4; P(3-C6H4CH3)3, 5; Ph2P(2-C6H4Ph), 6] in 80–93% yields. Complexes 2–6 have been characterized by elemental analysis, spectroscopy, and X-ray crystallography. Additionally, the electrochemical properties were studied by cyclic voltammetry. Graphical Abstract

中文翻译:

膦取代的二铁 1,2-二硫醇配合物作为 [FeFe]-氢化酶活性位点的模型

摘要 本文报道了五种含有膦配体的二铁 1,2-二硫醇配合物。用膦配体三(4-甲基苯基)膦、三(4-甲氧基苯基)膦、三(3-氯苯基)膦、三(3-)膦配体处理配合物[Fe2(CO)6(μ-SCH2CH2S)](1)甲基苯基)膦或2-(二苯基膦基)联苯在Me3NO·2H2O作为脱羰剂存在下得到目标产物[Fe2(CO)5(L)(μ-SCH2CH2S)][L = P(4-C6H4CH3) 3、2;P(4-C6H4OCH3)3, 3; P(3-C6H4Cl)3, 4; P(3-C6H4CH3)3, 5; Ph2P(2-C6H4Ph), 6] 的产率为 80-93%。配合物 2-6 已通过元素分析、光谱学和 X 射线晶体学表征。此外,通过循环伏安法研究了电化学性质。图形概要
更新日期:2019-08-03
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