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From Chlorosilyliumylidene Complexes to Cyclic Silylones with an Electron-Rich Silicon(0) Atom

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Author(s): Yun Xiong , Shenglai Yao , Shigeyoishi Inoue , Jan Dirk Epping , Matthias Driess

Publication date: November 13 2014

Journal: ScienceOpen Posters

Publisher: ScienceOpen

Conference name: ISOS XVII BERLIN 2014

Keywords: Silicon, Silylene, Silylone

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Abstract

Molecular silicon(0) species L→Si←L (L = N-heterocyclic carbenes, phosphanes, etc.), termed as silylones, have attracted significant attention. By employing the neutral bidentate bis-NHC ligand the unprecedented bis(carbene) chlorosilyliumylidene complex 1 could be isolated, in which both HOMO and LUMO are mainly localized on the silicon(II) atom according to DFT calculations./1/ Thus, dechlorination of 1 by sodium naphthalenide led to the first isolable cyclic silylone (siladicarbene) 2 featuring an electron-rich silicon(0) atom due to the weak π-acceptor character of the NHC supporting ligand.

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Title: ScienceOpen Posters

Publisher: ScienceOpen

Publication date: November 13 2014

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DOI: 10.14293/P2199-8442.1.SOP-CHEM.PZWOZ1.v1

SO-VID: 218b4afc-513f-4fe9-85cc-014669c4e3fa

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