Organophosphorus-Catalyzed Borylative Ring-Opening of Vinylcyclopropanes: A Stereoselective Route to δ-Valerolactones.
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DOI: 10.1021/acs.orglett.2c04284
Abstract: We report an operationally simple route to δ-valerolactones through an organophosphorus-catalyzed borylative ring-opening/allylation of vinylcyclopropanes providing δ-hydroxy esters stereoselectively. The δ-hydroxy esters were lactonized to obtain densely substituted δ-valerolactones. The present methodology exhibited enhanced functional… read more here.
Keywords: borylative ring; route valerolactones; organophosphorus catalyzed; catalyzed borylative ... See more keywords