Journal
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
Volume 58, Issue 6, Pages 1808-1812Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/anie.201812675
Keywords
boryl groups; carbon monoxide; reduction; silicon; silylene
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Funding
- EPSRC [EP/L025000/1]
- Leverhulme Trust [F/08 699/E]
- Magnus Ehrnrooth Foundation
- EPSRC [EP/L025000/1] Funding Source: UKRI
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Reactions of a boryl-substituted acyclic silylene with carbon dioxide and monoxide are reported. The former proceeds through oxygen atom abstraction, generating CO (with rearrangement of the putative silanone product through silyl-group transfer). The latter is characterized by reductive coupling of CO to give an ethynediolate fragment, which undergoes formal insertion into the Si-B bond. The net conversion of carbon dioxide with two equivalents of silylene offers a route for the three-electron reduction of CO2 to [C2O2](2-).
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