Anhydrous tetranuclear, dinuclear, and dimeric lanthanide complexes bearing tetradentate Schiff bases

Academic Article

Abstract

  • This contribution describes the synthesis and complete characterization of dinuclear (Ln (SB) ) and rigorously dimeric ([(SB)Ln(N(TMS) )] ) lanthanide complexes bearing "saturated" tetradentate Schiff bases (SB). The molecular connectivities, nuclearity, and metal ion coordination geometries in these compounds are governed by the interplay of Schiff-base steric requirements, metal ion radius, and reaction conditions (i.e., solvent choice, concentration, and temperature); the impact of these factors will be discussed and emphasized in the context of structural similarities and notable intramolecular interactions within these related compounds. Also presented is a tetranuclear Nd complex exhibiting a ladder arrangement of metal ions and μ-oxo bridges; its formation occurs by the destruction of THF at elevated temperatures. All the compounds presented can be reproducibly synthesized in high yields and analytical purity. © 2004 Elsevier B.V. All rights reserved. 2 3 2 2 3+
  • Authors

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    Digital Object Identifier (doi)

    Author List

  • Schuetz SA; Erdmann MA; Day VW; Clark JL; Belot JA
  • Start Page

  • 4045
  • End Page

  • 4056
  • Volume

  • 357
  • Issue

  • 13