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

Abstract : 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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https://hal.archives-ouvertes.fr/hal-00848193
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Submitted on : Thursday, July 25, 2013 - 3:59:12 PM
Last modification on : Thursday, February 11, 2021 - 9:12:09 AM

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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, American Chemical Society, 2012, 134 (38), pp.15628-31. ⟨10.1021/ja304424t⟩. ⟨hal-00848193⟩

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