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Eine “Super”‐Photobase erfährt einen pKa‐Sprung um 14 Einheiten beim Übergang vom Grund‐ in den angeregten Zustand als das Ergebnis einer Photonenabsorption. B. Borhan, M. Dantus und Mitarbeiter berichten in ihrer Zuschrift auf S. 14958 über die Entdeckung einer modularen Fluorenyl‐Photobase, die zur Protonenabstraktion von organischen Lösungsmittelmolekülen befähigt ist. Die ultraschnelle Dynamik...
Molecular reactivity can change dramatically with the absorption of a photon due to the difference of the electronic configurations between the excited and ground states. Here we report on the discovery of a modular system (Schiff base formed from an aldehyde and an amine) that upon photoexcitation yields a more basic imine capable of intermolecular proton transfer from protic solvents. Ultrafast...
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