Photoenolization via excited state double proton transfer induces ‘‘turn on’’ fluorescence in diformyl diaryl dipyrromethane

Abstract

A light triggered enolization in diformyl diaryl dipyrromethane by excited state dual proton transfer (ESDPT) induces ‘‘turn on’’ fluorescence. The role of diaryl and diformyl groups in the enolization process was confirmed by photophysical and theoretical studies.