An Isolable Three‐Coordinate Germanone and Its Reactivity
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- Xuan‐Xuan Zhao
- Department of Chemistry WACKER-Institute of Silicon Chemistry and Catalysis Research Center Technische Universität München Lichtenbergstraße 4 85748 Garching bei München Germany
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- Tibor Szilvási
- Department of Chemical and Biological Engineering University of Alabama Tuscaloosa AL 35487 USA
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- Franziska Hanusch
- Department of Chemistry WACKER-Institute of Silicon Chemistry and Catalysis Research Center Technische Universität München Lichtenbergstraße 4 85748 Garching bei München Germany
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- Shigeyoshi Inoue
- Department of Chemistry WACKER-Institute of Silicon Chemistry and Catalysis Research Center Technische Universität München Lichtenbergstraße 4 85748 Garching bei München Germany
Abstract
<jats:title>Abstract</jats:title><jats:p>A rare three‐coordinate germanone [IPrN]<jats:sub>2</jats:sub>Ge=O (IPrN=bis(2,6‐diisopropylphenyl)imidazolin‐2‐imino) was successfully isolated. The germanone has a rather high thermal stability in arene solvent, and no detectable change was observed at 80 °C for at least one week. However, high thermal stability of [IPrN]<jats:sub>2</jats:sub>Ge=O does not prevent its reactivity toward small molecules. Structural analysis and initial reactivity studies revealed the highly polarized nature of the terminal Ge=O bond. Besides, the addition of phenylacetylene, as well as O‐atom transfer with 2,6‐dimethylphenyl isocyanide make it a mimic of nucleophilic transition‐metal oxides. Mechanism for O‐atom transfer reaction was investigated via DFT calculations, which revealed that the reaction proceeds via a [2+2] cycloaddition intermediate.</jats:p>
Journal
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- Chemistry – A European Journal
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Chemistry – A European Journal 27 (64), 15914-15917, 2021-10-05
Wiley
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Details 詳細情報について
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- CRID
- 1360298341437462144
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- ISSN
- 15213765
- 09476539
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- Data Source
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- Crossref