Anion recognition through hydrogen bonding: A simple, yet highly sensitive, luminescent metal-complex receptor

Abstract

A new luminescent rhenium(1) polypyridyl-based receptor for a variety of inorganic anions has been designed and synthesized and this artificial receptor shows high affinities for halides, cyanide and acetate anions with binding constants as high as 104-105 M-1 and a detection limit as low as 10-8 M in CH2Cl2 solution.