Abstract
The mixed CO/ER3 iron complexes bearing heterocyclic selenocarboxylato group CpFe(CO)(ER3)SeCO-het [het = 2-C4H3S (1), 2-C4H3O (2), CH2-2-C4H3S (3), E = P, R = Ph (a), OC2H5 (b); E = As (c), Sb (d), R = Ph)] are synthesized by the reactions of CpFe(CO)2SeCO-het with ER3 under photolytic conditions. The new complexes have been characterized by spectroscopic analysis (UV–Vis, IR, 1H, 31P NMR) and elemental analysis. The structures of CpFe(CO)(PPh3)SeCO-2-C4H3S (1a), CpFe(CO)(AsPh3)SeCO-2-C4H3S (1c) and CpFe(CO)(SbPh3)SeCO-2-C4H3S (1d) have been determined by X-ray crystal structure analysis.
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