American Chemical Society
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Photoswitchable Arene Ruthenium Complexes Containing o‑Sulfonamide Azobenzene Ligands

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journal contribution
posted on 2015-12-28, 00:00 authored by Claire Deo, Nicolas Bogliotti, Rémi Métivier, Pascal Retailleau, Juan Xie
A series of arene ruthenium complexes containing o-sulfonamide azobenzene ligands were synthesized and found to exhibit uncommon coordination pattern with an exocyclic NN bond. Upon irradiation, these complexes cleanly undergo EZ photoisomerization followed by thermal ZE isomerization (upon resting in the dark) whose rate is dependent on the solvent, the nature of the arene group, the sulfonamide moiety, and azobenzene substitution, as revealed by structure–property studies.