Strained and Reactive Donor/Acceptor‐Supported Metallasilanone

A novel stable donor/acceptor‐supported MnI‐metallasilanone 3 was synthesized. The intramolecular silanone‐MnI interaction induces a highly strained three‐membered cyclic structure, leading to an exceptionally high reactivity of 3 as a donor/acceptor complex of silanone. Indeed, metallasilanone 3 re...

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Bibliographic Details
Published in:Angewandte Chemie International Edition 2021-08, Vol.60 (34), p.18489-18493
Main Authors: Takahashi, Shintaro, Ramos‐Enríquez, Manuel A., Bellan, Ekaterina, Baceiredo, Antoine, Saffon‐Merceron, Nathalie, Nakata, Norio, Hashizume, Daisuke, Branchadell, Vicenç, Kato, Tsuyoshi
Format: Article
Language:English
Subjects:
Chemical Sciences
Coordination compounds
donor-acceptor systems
Lewis pair
manganese complex
metallacycles
stable silanone
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Summary:A novel stable donor/acceptor‐supported MnI‐metallasilanone 3 was synthesized. The intramolecular silanone‐MnI interaction induces a highly strained three‐membered cyclic structure, leading to an exceptionally high reactivity of 3 as a donor/acceptor complex of silanone. Indeed, metallasilanone 3 readily reacts with various small molecules such as H2 or ethylene gas in mild conditions. A new stable donor/acceptor‐supported MnI‐metallasilanone was synthesized. This silanone complex is highly strained because of its incorporation in a small cyclic structure formed by the intramolecular silanone‐MnI interaction. Thanks to the high ring strain, the interaction Si=O→Mn is labile, leading to an exceptionally high reactivity with various small molecules such as H2 or ethylene gas in mild conditions.
ISSN:1433-7851
1521-3773
DOI:10.1002/anie.202105526