Synthetic and structural studies of tolyl-dithiolate diiron carbonyl complexes with tris(aryl)phosphine co-ligands |
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| Authors: | Xu-Feng Liu |
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| Affiliation: | 1.College of Materials and Chemical Engineering,Ningbo University of Technology,Ningbo,China |
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| Abstract: | Reaction of [μ-SC6H3(CH3)S-μ]Fe2(CO)6 (1) with 2 equivalents of PPh3 gave the monosubstituted complex [μ-SC6H3(CH3)S-μ]Fe2(CO)5(PPh3) (2) plus the disubstituted [μ-SC6H3(CH3)S-μ]Fe2(CO)4(PPh3)2 (3), while the complexes [μ-SC6H3(CH3)S-μ]Fe2(CO)5[P(3-C6H4CH3)3] (4) and [μ-SC6H3(CH3)S-μ]Fe2(CO)5[P(4-C6H4F)3] (5) were prepared by the reactions of 1 with P(3-C6H4CH3)3 or P(4-C6H4F)3 in the presence of Me3NO. Complexes 3–5 were characterized by IR, NMR spectroscopy and single-crystal X-ray diffraction analysis. The molecular structures of 3–5 reveal that in each case, the phosphine ligand occupies the apical position in an overall distorted square pyramidal iron(I) complex geometry. |
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