Tuning Philicity of Dichlorosilylene: Nucleophilic Behavior of the Dichlorosilylene-NHC Complex Cl 2 Si-IPr

Novel unsaturated four-membered ring disilene, 3,3-dichloro-1,2,4,4-tetrakis[di- -butyl(methyl)silyl]- Δ-1,2,3,4-trisilagermetene, was synthesized by the ring expansion reaction of the three-membered ring 1-disilagermirene with the silylene-NHC complex Cl Si-IPr. The mechanism of the unexpected form...

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Bibliographic Details
Published in:ACS omega 2019-02, Vol.4 (2), p.2902-2906
Main Authors: Lee, Vladimir Ya, Horiguchi, Satoru, Sekiguchi, Akira, Gapurenko, Olga A, Gribanova, Tatyana N, Minkin, Vladimir I, Gornitzka, Heinz
Format: Article
Language:English
Subjects:
Chemical Sciences
Coordination chemistry
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Summary:Novel unsaturated four-membered ring disilene, 3,3-dichloro-1,2,4,4-tetrakis[di- -butyl(methyl)silyl]- Δ-1,2,3,4-trisilagermetene, was synthesized by the ring expansion reaction of the three-membered ring 1-disilagermirene with the silylene-NHC complex Cl Si-IPr. The mechanism of the unexpected formation of this compound was verified by high-level density functional theory computations, which revealed n -π as the dominant orbital interaction.
ISSN:2470-1343
2470-1343
DOI:10.1021/acsomega.8b03429