Aiming at good fluorescent rare earth complexes,a new diamide ligand 1,4-bis[(2′-benzylaminoformyl)phenoxyl-decatyl-oxy] benzene (L) and its Sm(Ⅲ),Eu(Ⅲ) and Tb(Ⅲ) complexes were synthesized for the first time.

Mercury Ion Fluorescent Molecular Sensors Based on Polyamide Receptors;