Synthesis and Luminescence of Novel Eu^III Complexing Agents and Labels with 4‐(Phenylethynyl)pyridine Subunits

Abstract

Abstract The synthesis of novel 4‐(phenylethynyl)pyridine subunits containing H 2 O‐soluble complexing agents and their luminescence with Eu III ions are reported. Ligands with high luminescence intensities as well as quantum yields were obtained. Also the prepared labeling reagents as antibody conjugates gave the highest quantum and luminescence yields reported for H 2 O‐soluble Eu III labels.