Synthesis and Recognition on Cu~(2+) of Novel Chromogenic Calix[4] arene Derivative

A new chromogenic calix[4]arene derivative containing azo-groups,amide groups and Schiff-base groups was designed and synthesized.The structure was characterized by 1H NMR,IR,MS and elemental analysis.Fluorescence spectra test exhibited that λex/λem of 1 were 370 nm/422 nm.The fluorescent intensities could be quenched remarkably when 1 and Cu2+ coordination.