Feasibility of Multiple Excited-State Proton Transfer Processes in Hydroxyquinoline-containing Benzobisimidazole Dyes
Abstract
Two new benzobisimidazole platforms incorporating 7-hydroxyquinoline moieties were synthesized and characterized to explore potential multiple proton transfer processes. Combining experimental analysis with theoretical insights, we investigated the photophysical properties and excited-state proton transfer phenomena within these systems and found that double proton transfer is unlikely to happen.
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