Furan Synthesis via a Tandem 1,2-Acyloxy Migration/[3 + 2] Cycloaddition/Aromatization of Enol Ether-Tethered Propargylic Esters
作者:Zhiqiang Zhang、Luxin Chen、Ying Wang、Weikai Dai、Pengfei Li、Zhen Yang、Xiuhuan Li、Huaiji Zheng
DOI:10.1021/acs.joc.3c00216
日期:2023.6.2
method for the synthesis of furans is developed via a tandem 1,2-acyloxy migration/intramolecular [3 + 2] cycloaddition/aromatization of enol ether-tethered propargylic esters. The reaction exhibits excellent functional group tolerance, broad substrate scope, and excellent chemoselectivity. The isolation of dihydrofuran intermediates in some cases gives more insight into the [3 + 2] cycloisomerization
一种合成呋喃的有效方法是通过串联 1,2-酰氧基迁移/分子内 [3 + 2] 环加成/烯醇醚栓联的炔丙酯的芳构化开发的。该反应表现出优异的官能团耐受性、广泛的底物范围和优异的化学选择性。在某些情况下,分离二氢呋喃中间体可以更深入地了解 [3 + 2] 环异构化过程。