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Abstract
A diverse series of 3-thioether-functionalized 2,3-dihydrobenzofurans were prepared by an intramolecular radical cyclization/thiolation cascade reaction of alkenyl-tethered arenediazonium salts with thiophenols under transition-metal-free conditions. The mild and practical reaction conditions tolerated various functional groups and afforded the corresponding 2,3-dihydrobenzofurans in moderate to good yields.
Graphical Abstract
Acknowledgements
Our present work was financially supported by the Chemical Engineering & Technology of Zhejiang Province First-Class Discipline (Taizhou University).
Additional information
Funding
The present work was financially supported by the Chemical Engineering & Technology of Zhejiang Province First-Class Discipline (Taizhou University).