Abstract
In this paper, two diiron complexes have been prepared by CO exchange and structurally characterized. Treatment of complex [Fe2(CO)6{μ-SCH2CH(CH2O2CCH3)S}] (1) with diphenyl-2-pyridylphosphine in the presence of Me3NO·2H2O as the decarbonylating agent gave the corresponding monophosphine-substituted complex [Fe2(CO)5{Ph2P(2-C5H4N)}{μ-SCH2CH(CH2O2CCH3)S}] (2) in 85% yield. Similarly, complex [Fe2(CO)5{P(3-C6H4F)3}{μ-SCH2CH(CH2O2CPh)S}] (4) was obtained in 78% yield by the reaction of complex [Fe2(CO)6{μ-SCH2CH(CH2O2CPh)S}] (3) with tris(3-fluorophenyl)phosphine. The new complexes 2 and 4 have been characterized by elemental analysis, IR spectroscopy, NMR spectroscopy, as well as by X-ray diffraction analysis.
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