Sichuan Research Center for Drug Precision Industrial Technology;
West China School of Pharmacy;
Sichuan University;
Chengdu 610041;
China;
Engineering Center of Catalysis and Synthesis for Chiral Molecules;
Department of Chemistry;
Fudan University;
Shanghai 200433;
China;
hanghai Engineering Center of Industrial Asymmetric Catalysis for Chiral Drugs;
Shanghai 200433;
China;
13-Methylprotoberberine; 13-Methyltetrahydroprotoberberine; One-pot metal-free sequence; Asymmetric hydrogenation;