Synthesis and structure of nonacoordinated tris-chelate lanthanide (III) complexes with tridentate 2,4,6,8-tetrakis(tert-butyl)-9-hydroxyphenoxazin-1-one ligands

A series of new nonacoordinated tris-chelate lanthanide (III) complexes was prepared by the reaction of the reduced form of the tricyclic 2,4,6,8-tetrakis(tert-butyl)-9-hydroxyphenoxazin-1-one ligand with Ln(III) acetates (Ln=La, Pr, Sm, Eu, Gd, Tb, Dy, Yb). The coordination polyhedron in all comple...

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