N-Heterocyclic carbene-catalyzed cascade epoxide-opening and lactonization reaction for the synthesis of dihydropyrone derivatives
作者:Jing Qi、Xingang Xie、Jinmei He、Ling Zhang、Donghui Ma、Xuegong She
DOI:10.1039/c1ob05854a
日期:——
N-Heterocyclic carbene was employed as an efficient organic catalyst to catalyze a cascadeepoxide-opening and lactonization reaction. This organocatalytic process could transform various readily accessible γ-epoxy-α,β-enals into dihydropyrone derivatives in good to excellent yields.