Mechanism and Selectivity of N-Heterocyclic Carbene-Catalyzed Desymmetrizing [4+1] and [4+2] Annulations
Hanliang Zheng, Xiao-Song Xue
Chinese Journal of Organic Chemistry . 2021, (6): 2530 -2531 .  DOI: 10.6023/cjoc202100047