5 years ago

CuI mediated synthesis of sulfonyl dihydrofurans

CuI mediated synthesis of sulfonyl dihydrofurans
CuI mediated one-pot (3+2) annulation of β-ketosulfones 2 with styryl alcohol 3 in DMSO affords sulfonyl dihydrofurans 4 in good to excellent yields via a sequential intermolecular α-styrylation followed by intramolecular iodoetherification. The styrylative iodocyclization route provides a highly effective condition. A plausible mechanism has been studied and proposed.

Publisher URL: www.sciencedirect.com/science

DOI: S0040402017306063

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