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Synthesis
DOI: 10.1055/a-2500-6556
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Imidazo[1,5-a]pyridin-3-ylidene-catalyzed Oxidative Esterification of Aldehyde: Remarkable Electronic Effect Regarding π-accepting Character of Ring-fused N-Heterocyclic Carbene

Koki Endo
1   Department of Chemistry and Biomolecular Science, Faculty of Engineering, Gifu University, Gifu, Japan (Ringgold ID: RIN12785)
,
Fumitoshi Shibahara
1   Department of Chemistry and Biomolecular Science, Faculty of Engineering, Gifu University, Gifu, Japan (Ringgold ID: RIN12785)
› Author AffiliationsSupported by: Japan Society for the Promotion of Science 20H02733,22K18332,24K01480
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Imidazo[1,5-a]pyrid-3-ilydene(IPC)-catalyzed oxidative esterification of aldehydes was investigated. The series of IPC showed good catalytic activity, in particular, sterically hindered one. Substituents on the 3-position of imidazo[1,5-a]pyridine ring significantly influenced its catalytic activity, and electron-withdrawing substituent accelerated the reaction.



Publication History

Received: 15 November 2024

Accepted: 11 December 2024

Accepted Manuscript online:
11 December 2024

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