Yi-Feng Qiu, Jian-He Cao, Shutao Wang
Oct 24, 2023
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Journal
Organic & biomolecular chemistry
Abstract
A p-TsOH/halotrimethylsilane facilitated cycloketonization of γ-hydroxyl ynones is detailed. This methodology enables the one-step synthesis of polysubstituted 3(2H)-furanone products. It is remarkable that the reaction exhibits excellent regio- and chemoselectivity by the addition of very small quantities of p-toluenesulfonic acid and water.