2011•Chemical CommunicationsOpen access

Structure, resolution and chiroptical analysis of stable lanthanide complexes of a pyridylphenylphosphinate triazacyclononane ligand

James W. Walton, Lorenzo Di Bari, David Parker, Gennaro Pescitelli, Horst Puschmann, Dmitry S. Yufit

Abstract

Lanthanide complexes of a pyridylphenylphosphinate ligand based on triazacyclononane form an isostructural series. The C(3)-symmetric Δ and Λ complexes of Eu and Tb are strongly emissive and can be resolved by chiral HPLC; the absolute configuration of each complex has been assigned using CD and CPL measurements.

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Key concepts: Isostructural, Lanthanide, Ligand (biochemistry), Resolution (logic), Chemistry, Absolute configuration, Angstrom, Crystallography