Emission Color-Tunable Oxazol(in)yl-Substituted Excited-State Intramolecular Proton Transfer (ESIPT)-Based Luminophores

Abstract

Oxazolinyl- and arylchalcogenyl-substituted hydroxyfluorenes exhibiting excited-state intramolecular proton transfer (ESIPT) are described as potent and highly modular luminophores. Emission color-tuning was achived by benzannulation of the oxazline and insertion of different chalcogens.