Oxidative N‐Heterocyclic Carbene‐Catalyzed [8+2] Annulation of Tropone and Aldehydes: Synthesis of Cycloheptatriene‐Fused Furanones
作者:Fei Xia、Zhong‐Hua Gao、Chun‐Lin Zhang、Song Ye
DOI:10.1002/adsc.201801679
日期:2019.5.14
The N‐heterocyclic carbene catalyzed [8+2] oxidative annulation of tropone with aldehydes was developed, giving cycloheptatriene‐fused furanones in moderate to good yields. Further reduction of the cycloadducts afforded cycloheptane‐fused furanones and dihydrofuranones in good yields.