Ruthenium-vinylhelicenes: remote metal-based enhancement and redox switching of the chiroptical properties of a helicene core. - Archive ouverte HAL Accéder directement au contenu
Article Dans Une Revue Journal of the American Chemical Society Année : 2012

Ruthenium-vinylhelicenes: remote metal-based enhancement and redox switching of the chiroptical properties of a helicene core.

Résumé

Introducing metal-vinyl ruthenium moieties onto [6]helicene results in a significant enhancement of the chiroptical properties due to strong metal-ligand electronic interactions. The electro-active Ru centers allow the achievement of the first purely helicene-based redox-triggered chiroptical switches. A combination of electrochemical, spectroscopic, and theoretical techniques reveals that the helicene moiety is a noninnocent ligand bearing a significant spin density.
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hal-00848193 , version 1 (25-07-2013)

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Emmanuel Anger, Monika Srebro, Nicolas Vanthuyne, Loïc Toupet, Stéphane Rigaut, et al.. Ruthenium-vinylhelicenes: remote metal-based enhancement and redox switching of the chiroptical properties of a helicene core.. Journal of the American Chemical Society, 2012, 134 (38), pp.15628-31. ⟨10.1021/ja304424t⟩. ⟨hal-00848193⟩
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