Room temperature observable interconversion between Si(IV) and Si(II) via reversible intramolecular insertion into an aromatic C‐C bond
Publication type: Journal Article
Publication date: 2022-09-13
scimago Q1
wos Q2
SJR: 0.981
CiteScore: 6.7
Impact factor: 3.7
ISSN: 09476539, 15213765
PubMed ID:
36098491
General Chemistry
Catalysis
Organic Chemistry
Abstract
An easily isolable silacycloheptatriene (silepin) 1 b was synthesized from the reaction of a N-heterocyclic imino (IPrN) substituted tribromosilane IPrNSiBr3 with the sterically congested bis(trimethylsilyl)triisopropylsilyl silanide KSi(TMS)2 Si(i Pr)3 (BTTPS). In solution, the Si(IV) silepin 1 b is in a thermodynamic equilibrium with the acyclic Si(II) silylene 1 a. The relative concentration of the Si(II) or Si(IV) isomers can be controlled by temperature variation and observed by variable temperature NMR and UV/Vis spectroscopy. DFT calculations show a small reaction barrier for the Si(II)⇌Si(IV) interconversion and a small energy gap between the Si(II) and Si(IV) species. The reactivity of 1 a/b is demonstrated on a variety of small molecules.
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18
Total citations:
18
Citations from 2025:
3
(16.67%)
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Eisner T. et al. Room temperature observable interconversion between Si(IV) and Si(II) via reversible intramolecular insertion into an aromatic C‐C bond // Chemistry - A European Journal. 2022. Vol. 28. No. 69.
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Eisner T., Kostenko A., Hanusch F., INOUE S. Room temperature observable interconversion between Si(IV) and Si(II) via reversible intramolecular insertion into an aromatic C‐C bond // Chemistry - A European Journal. 2022. Vol. 28. No. 69.
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TY - JOUR
DO - 10.1002/chem.202202330
UR - https://doi.org/10.1002/chem.202202330
TI - Room temperature observable interconversion between Si(IV) and Si(II) via reversible intramolecular insertion into an aromatic C‐C bond
T2 - Chemistry - A European Journal
AU - Eisner, Teresa
AU - Kostenko, Arseni
AU - Hanusch, Franziska
AU - INOUE, SHIGEYOSHI
PY - 2022
DA - 2022/09/13
PB - Wiley
IS - 69
VL - 28
PMID - 36098491
SN - 0947-6539
SN - 1521-3765
ER -
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BibTex (up to 50 authors)
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@article{2022_Eisner,
author = {Teresa Eisner and Arseni Kostenko and Franziska Hanusch and SHIGEYOSHI INOUE},
title = {Room temperature observable interconversion between Si(IV) and Si(II) via reversible intramolecular insertion into an aromatic C‐C bond},
journal = {Chemistry - A European Journal},
year = {2022},
volume = {28},
publisher = {Wiley},
month = {sep},
url = {https://doi.org/10.1002/chem.202202330},
number = {69},
doi = {10.1002/chem.202202330}
}