Pd/light-induced alkyl–alkenyl coupling reaction between unactivated alkyl iodides and alkenylboronic acids?
Organic Chemistry Frontiers Pub Date: 2020-04-16 DOI: 10.1039/D0QO00318B
Abstract
Alkyl–alkenyl coupling reaction between unactivated alkyl iodides and 2-arylalkenylboronic acids utilizing a Pd/light combined system was studied. This reaction provided 2-alkylarylalkenes in good yields. It is proposed that in this reaction alkyl radicals are formed by SET from a Pd catalyst to alkyl iodides, which then undergo addition reactions to form C–C double bonds of alkenyl boronic acids and the subsequent β-fragmentation of boronyl radicals leads to the formation of alkyl-substituted arylalkenes.
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Journal Name：Organic Chemistry Frontiers
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CAS no.: 89640-58-4
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