Rhenium-Catalyzed Regioselective ortho-Alkenylation and [3 + 2 + 1] Cycloaddition of Phenols with Internal Alkynes.
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DOI: 10.1021/acs.orglett.9b01214
Abstract: An operationally simple and direct rhenium-catalyzed ortho-alkenylation ( C-alkenylation) of unprotected phenols with alkynes was developed. The protocol provided ortho-alkenylphenols exclusively, and formation of para- or multiply alkenylated phenols and hydrophenoxylation ( O-alkenylation) products were… read more here.
Keywords: ortho alkenylation; cycloaddition phenols; rhenium catalyzed; catalyzed regioselective ... See more keywords