1,2,4-Diazaphospholide complexes of yttrium(iii), dysprosium(iii), erbium(iii), and europium(ii,iii): synthesis, X-ray structural characterization, and EPR analysis†
Abstract
Several structurally characterized heteroleptic, charge-separated heterobimetallic, and polymeric alkali metal ate complexes of 1,2,4-diazaphospholide Y(III), Dy(III), Er(III), Eu(III), and Eu(II) were prepared via the reaction of MCl3 and K[3,5-R2dp] in varied ratios at 200–220 °C (M = Y, Dy, Er, Eu; R = tBu, Ph).