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  • Paolino, Marco; Saletti, Mario; Reale, Annalisa; Licciardi, Mariano; Varvarà, Paola; Marquette, Arnaud; Léonard, Jérémie; Bonechi, Claudia; Donati, Alessandro; Giorgi, Gianluca; Giuliani, Germano; Carlotti, Benedetta; Ortica, Fausto; Latterini, Loredana; Gentile, Mariangela; Paccagnini, Eugenio; Olivucci, Massimo; Cappelli, Andrea

    Chemistry : a European journal, 2022-Jun-13
    Journal Article

    HBDI-like chromophores represent a novel set of biomimetic switches mimicking the fluophore of the green fluorescent protein that are currently studied with the hope to expand the molecular switch/motor toolbox. However, until now members capable of absorbing visible light in their neutral (i.e. non-anionic) form have not been reported. In this contribution we report the preparation of a HBDI-like chromophore based on a 3-phenyl benzofulvene scaffold capable to absorb blue light and photoisomerize in the picosecond time scale. More specifically, we show that double bond photoisomerization occurs in both the E-to-Z and Z-to-E directions and that these can be controlled by irradiating with blue-light and UV light respectively. Finally, as a preliminary applicative result, we report the incorporation of the chromophore in an amphiphilic molecule and demonstrate the formation of a visible light-sensitive nanoaggregated state in water.