Triazonine-based bistable photoswitches: synthesis, characterization and photochromic properties

Publié le 31 décembre 2020 - Chemical Communications

Auteurs : Nawel Goual, Lorenzo Casimiro, Vincent Delattre, Pascal Retailleau, Stéphane Maisonneuve, Nicolas Bogliotti, Rémi Métivier, Juan Xie, Angela Marinetti, Arnaud Voituriez

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We disclose here dibenzotriazonines as a new class of nine-membered cyclic azobenzenes displaying a nitrogen function in the saturated ring chain. The specific features of these compounds are (i) a preferred E-configuration, (ii) high bi-directional photoswitching and (iii) good thermal stability of both E- and Z-forms.