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Kumar Sahoo, Manoj
분자활성 촉매반응 연구단
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Regioselective Access to α-Vinylsilanes and α-Vinylgermanes by Cobalt-Catalyzed Migratory Hydrofunctionalization of 2-Alkynes

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Title
Regioselective Access to α-Vinylsilanes and α-Vinylgermanes by Cobalt-Catalyzed Migratory Hydrofunctionalization of 2-Alkynes
Author(s)
Manoj Kumar Sahoo; Dongwook Kim; Sukbok Chang; Jung-Woo Park
Publication Date
2021-10-15
Journal
ACS Catalysis, v.11, no.20, pp.12777 - 12784
Publisher
American Chemical Society
Abstract
© 2021 American Chemical SocietyWhile migratory functionalization of alkynes has been recognized as a unique way to access allylic functionalities via π-allyl metal intermediates, hydrofunctionalization of 2-alkynes to afford α-functional olefins has been unexplored. We describe herein the use of a cobalt hydride based system for regioselective migratory hydrofunctionalization of 2-alkynes to furnish α-vinylsilanes and α-vinylgermanes by a mechanistic understanding of the cobalt hydride species on alkyne π-bond migration. The key mechanism of alkyne π-bond migration by [bis(dicyclohexylphosphino)ethane]cobalt hydride is strongly supported by both experimental and computational studies, and the role of each reaction component, such as alkynes and silanes, is elucidated to rationalize the unique α-vinyl selectivity.
URI
https://pr.ibs.re.kr/handle/8788114/10640
DOI
10.1021/acscatal.1c03769
ISSN
2155-5435
Appears in Collections:
Center for Catalytic Hydrocarbon Functionalizations(분자활성 촉매반응 연구단) > 1. Journal Papers (저널논문)
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