Syntheses,crystal structures,and electrochemistry of novel Fe2SN and FeSN carbonyl complexes with pendant bases |
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Abstract: | Reactions of Fe2(CO)9 with thioacylhydrazones ArCH=NNHCSPh in THF afford Fe2(CO)6(μ-κ2S:κ2N-PhC(S)=NNCHArCHArN(CHAr)N=CSPh) (1, Ar?=?C6H5; 3, Ar?=?4-CH3C6H4) and Fe(CO)3(κ2S:N-PhC(=S)NHNCHArCHArN(CHAr)N=CSPh) (2, Ar?=?C6H5; 4, Ar?=?4-CH3C6H4). They have been characterized by elemental analyses, IR, 1H NMR, and 13C NMR and structurally determined by X-ray crystallography. Electrochemical studies reveal that when using HOAc as a proton source, they exhibit high catalytic H2-production. |
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Keywords: | Hydrogenase Carbonyl iron Thio-Schiff base Cyclic voltammetry H2 evolution |
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