Synthesis, luminescence and ion-binding properties of palladium(ii) complexes with 1,2-bis[di(benzo-15-crown-5)phosphino]ethane (dbcpe)

Dalton Transactions Pub Date: 2006-01-24 DOI: 10.1039/B515024H

Abstract

A series of palladium(II) complexes with 1,2-bis[di(benzo-15-crown-5)phosphino]ethane ligand (dbcpe), [Pd(dbcpe)X2] (X = Cl 1, Br 2 and I 3), have been successfully synthesised and characterised. The X-ray crystal structure of dbcpe has also been determined. The cation-binding properties of the complexes have been studied and the stability constants with alkali metal cations determined. The crown-free analogue of dbcpe, 1,2-bis[bis(3,4-dimethoxyphenyl)phosphino]ethane (ddmppe), and the related complexes have also been prepared and comparison studies have been made.

Graphical abstract: Synthesis, luminescence and ion-binding properties of palladium(ii) complexes with 1,2-bis[di(benzo-15-crown-5)phosphino]ethane (dbcpe)
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