N-Heterocyclic Carbene (NHC)-Catalyzed [4+3] Cycloaddition to Synthesize 4-Aminobenzoheptenolactons
Chunbo Dai, Siqi Xia, Xiaoyu Chen, Limin Yang
Chinese Journal of Organic Chemistry . 2023, (3): 1084 -1090 .  DOI: 10.6023/cjoc202301011