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Organophotoredox-Catalyzed Cascade Radical Annulation of 2-(Allyloxy)arylaldehydes with N-(acyloxy)phthalimides: Towards Alkylated Chroman-4-one Derivatives
S. Das, S.K. Parida, T. Mandal, L. Sing, S. De Sarkar,
Published in John Wiley and Sons Ltd
PMID: 32017417
Volume: 15
Issue: 5
Pages: 568 - 572
An organophotoredox catalyzed efficient and robust approach for the synthesis of highly important 3-alkyl substituted chroman-4-one scaffold is developed using visible light induced radical cascade cyclization strategy. The reaction is initiated through the generation of alkyl radicals from N-(acyloxy)phthalimides under photoredox conditions, which subsequently undergo intermolecular cascade radical cyclization on 2-(allyloxy)arylaldehydes to afford chroman-4-one scaffolds. The presented strategy is attractive with regard to mild reaction conditions, operational simplicity, high functional group tolerance and broad substrate scope. © 2020 Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim
About the journal
JournalData powered by TypesetChemistry - An Asian Journal
PublisherData powered by TypesetJohn Wiley and Sons Ltd
Open AccessNo