Ugi Four-Component Reaction Based on the in situ Capture of Amines and Subsequent Modification Tandem Cyclization Reaction: "One-Pot" Synthesis of Six- and Seven-Membered Heterocycles
Jinni Liu, Yibi Xie, Qingqing Yang, Nianyu Huang, Long Wang
Chinese Journal of Organic Chemistry . 2021, (6): 2374 -2383 .  DOI: 10.6023/cjoc202012040