N-Heterocyclic Carbene-Catalyzed [4+2] Annulation of Acetates and β-Silyl Enones: Highly Enantioselective Synthesis of β-Silyl δ-Lactones
Yuxia Zhang, Jingcheng Guo, Jie Huang, Zhenqian Fu
Chinese Journal of Organic Chemistry . 2021, (11): 4467 -4475 .  DOI: 10.6023/cjoc202105002