Exploiting anionic and cationic interactions with a new emissive imine-based β-naphthol molecular probe

摘要

A new emissive molecular probe derived from l,7-bis(2'-formylphenyl)-1,4,7-trioxaheptane and 2-hydroxy-1-naphthaldehyde has been synthesized by a Schiff-base condensation method. Its sensor capability towards cations such as Cu~(2+), Zn~(2+), Cd~(2+) and Hg~(2+), and anions such as halides (F~-, Cl~-, Br~- and I~-) and CN~ was explored in DMSO solution. The geometry was optimized using density functional theory (DFT). The probe showed remarkable selectivity for Cu~(2+) and interaction with the more basic anions CN~- and F~-.