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Donor-Stabilized Silylene/Phosphine-Supported Carbon(0)Center with High Electron Density

Abstract : An isolable donor-stabilized silavinylidene phos-phorane was synthesized. This molecule,w hich can also be regarded as an ew carbon(0) complex featuring ap hosphine and ad onor-stabilized silylene ligand, presents ac entral carbon atom with ar emarkably high electron density (À1.82). Furthermore,t he experimental electron-density study of this compound demonstrates the delocalization of the s-lone pair at the central carbon atom towardt he silicon center,afeature which is remarkably different from electronic situation of other bent-allene-type molecules.This result clearly demonstrates the powerful electron-donating ability of donor-stabilized silylene ligands,a sw ell as their excellent electron-acceptor properties.
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https://hal.univ-brest.fr/hal-01646342
Contributor : Thibault Troadec <>
Submitted on : Monday, December 4, 2017 - 11:02:26 AM
Last modification on : Friday, January 17, 2020 - 5:52:07 PM

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  • HAL Id : hal-01646342, version 1

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Thibault Troadec, T Atsuya Wasano, Romaric Lenk, Antoine Baceiredo, Nathalie Saffon-Merceron, et al.. Donor-Stabilized Silylene/Phosphine-Supported Carbon(0)Center with High Electron Density. Angewandte Chemie International Edition, Wiley-VCH Verlag, 2017. ⟨hal-01646342⟩

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