Rhodium‐Catalyzed Asymmetric Arylation of Cyclobutenone Ketals

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Abstract: Complex cyclobutanes are important motifs in both bioactive molecules and natural products, yet their enantioselective preparation has not been widely explored. In this work, we describe rhodium‐catalyzed enantioselective additions of aryl and vinyl boronic acids to cyclobutenone ketals. This transformation involves enantioselective carbometalation to give cyclobutyl‐rhodium intermediates, followed by β‐oxygen elimination to afford enantioenriched enol ethers. Overall, this addition serves as a surrogate for Rh‐catalyzed 1,4‐additions to cyclobutenone.

Location: Deutsche Nationalbibliothek Frankfurt am Main

Extent: Online-Ressource

Language: Englisch

Bibliographic citation: Rhodium‐Catalyzed Asymmetric Arylation of Cyclobutenone Ketals ; day:17 ; month:02 ; year:2023 ; extent:6
Angewandte Chemie ; (17.02.2023) (gesamt 6)

Creator: Egea‐Arrebola, David
Goetzke, F. Wieland
Fletcher, Stephen P.

DOI: 10.1002/ange.202217381

URN: urn:nbn:de:101:1-2023021814115450459715

Rights: Open Access; Der Zugriff auf das Objekt ist unbeschränkt möglich.

Last update: 14.08.2025, 10:59 AM CEST

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Egea‐Arrebola, David
Goetzke, F. Wieland
Fletcher, Stephen P.

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