Abstract
An efficient metal-free procedure for the synthesis of 4-diphenylphosphoryl)methyl-2,3-dihydro-1H-pyrroles and furans was developed via a sequence of propargyl–allenyl isomerization and Alder ene reaction. The Wittig-type olefination transformation of the phosphine oxide moiety to the vinyl group with high stereoselectivity was further investigated.
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