[3+2] Cycloaddition methodology provides a general and efficient access to 5-alkyl substituted 2(5H)furanones. The synthetic approach has been exploited towards the synthesis of naturally occurring butenolides.
[3 + 2]环加成方法可提供对5烷基取代的2(5 H)
呋喃酮的一般有效访问。合成方法已被用于合成天然存在的
丁烯内酯。