Lewis Acid-Catalyzed [2+4] Cyclization of 3-Alkyl-2-vinylindoles with α, β-Unsaturated N-Sulfonyl Ketimines
Lixing Sun, Tingting Sun, Haiqing Wang, Shufang Wu, Xiaoye Wang, Tianya Liu, Yuchen Zhang
Chinese Journal of Organic Chemistry . 2023, (6): 2178 -2188 .  DOI: 10.6023/cjoc202210037