Abstract
In this report, two diiron ethane-1,2-dithiolate carbonyl complexes with bridging 1,3-bis(diphenylphosphino)propane (dppp) or tris(3-fluorophenyl)phosphine have been synthesized and characterized. Treatment of complex [Fe2(CO)6(µ-SCH2CH2S)] (1) with a diphosphine ligand dppp or a monophosphine ligand tris(3-fluorophenyl)phosphine using Me3NO·2H2O as the decarbonylating reagent afforded the corresponding derivatives [{Fe2(CO)5(µ-SCH2CH2S)}2(Ph2PCH2CH2CH2PPh2)] (2) and [Fe2(CO)5(µ-SCH2CH2S){P(3-C6H4F)3}] (3) in 82% and 92% yields, respectively. Complexes 2 and 3 have been characterized by elemental analysis, IR, NMR spectroscopy, as well as confirmed by single crystal X-ray diffraction analysis. Moreover, the electrochemistry of these complexes were studied by cyclic voltammetry.
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