Enantioselective Synthesis of Triarylmethanes Bearing Pyrazole Moiety through Squaramide-Catalyzed Addition of Azadienes with Pyrazolin-5-ones
Xie Huanping, Wu Bo, Chen Muwang, Yu Changbin, Li Hongwang, Li Xiang, Zhou Yonggui
Chinese Journal of Organic Chemistry . 2020, (10): 3452 -3462 .  DOI: 10.6023/cjoc202003005