Efficient Synthesis of 1,4-Dihydropyridines and Polyhydroquinolines Catalyzed by Novel Schiff Base Zirconium Lewis Acid
Wang Jing, Jin Zhaohui, Ma Rong, Hao Yinjian, Wang Yijun, Li Ningbo, Xu Xinhua
Chinese Journal of Organic Chemistry . 2020, (4): 969 -977 .  DOI: 10.6023/cjoc201909006