An efficient design for the rigid assembly of four bidentate chromophores in water-stable highly luminescent lanthanide complexes

Chatterton, Nicholas; Bretonnière, Yann; Pécaut, Jacques and Mazzanti, Marinella (2005). An efficient design for the rigid assembly of four bidentate chromophores in water-stable highly luminescent lanthanide complexes. Angewandte Chemie International Edition, 44(46) pp. 7595–7598.

DOI: https://doi.org/10.1002/anie.200502231

Abstract

A simple bridge solves a difficult architectural problem. Ligand H4tpaen, with an ethylenediamine backbone that has ten donor atoms, yields ten-coordinate lanthanide complexes, thus providing highly effective protection of the metal center from interaction with the solvent molecules. As a result, the EuIII and TbIII complexes of (tpaen)4− show a bright and long-lived luminescence in H2O combined with high solubility and stability.

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