The ethyl complexes of dysprosium DyI2Et(DME)2 and DyIEt2(DME)2 were synthesized by the reaction of DyI2 with ZnEt2 in dimethoxyethane. The complexes were isolated as pale yellow crystals. According to the X-ray diffraction data, these compounds contain, in addition to DyI2Et(DME)2 and DyIEt2(DME)2, triiodide DyI3(DME)2 (1). The reactions of CdMe2 with NdI2, DyI2, and TmI2 proceed in a similar way and afford methyl iodide complexes of lanthanides. The reaction of GaEt3 with DyI2 gave the ionic complex of trivalent dysprosium [GaEt4]−[DyI2(THF)5]+ (2).
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