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Dicarbonylcyclopentadienyltellurophenyliron complexes as ligands
Authors:A A Pasynskii  S S Shapovalov  Yu V Torubaev  I V Skabitskii  A V Pavlova  O A Tikhonova  A S Sidorenkov  T A Krishtop
Institution:1. Kurnakov Institute of General and Inorganic Chemistry, Russian Academy of Sciences, Leninskii pr. 31, Moscow, 119991, Russia
Abstract:The reaction of CpFe(CO)2TePh (I) with ferricinium hexafluorophosphate as an oxidant affords ionic complex {CpFe(CO)2]2(μ-TePh)}+PF 6 ? (II) with the simultaneous formation of diphenylditellurium. The decarbonylation of compound II by Me3NO followed by the addition of complex I affords trinuclear complex {CpFe(CO)2(μ-TePh)]2Fe(CO)Cp}PF6 (III). The corresponding tetrafluoroborate (IV) is synthesized similarly. The heating of compound I with PPh3 gives CpFe(CO)(PPh3)TePh (V) that reacts with ionic complex CpMn(CO)2(NO)]PF6 (VI) to form binuclear heterometallic ionic complex CpFe(CO)(PPh3)(μ-TePh)Mn(CO)(NO)Cp]PF6 (VII). A similar reaction of Cp′Fe(CO)2TePh (Cp′ is methylcyclopentadienyl) with compound VI affords heterometallic Cp′Fe(CO)2(μ-TePh)Mn(CO)(NO)Cp]PF6 (VIII). The structures of compounds II, IV, VII, and VIII are determined by X-ray diffraction analysis (CIF files CCDC 963285, 963286, 963288, and 963289, respectively).
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