1. Sichuan Research Center for Drug Precision Industrial Technology West China School of Pharmacy Sichuan University Chengdu 610041 People's Republic of China
2. Engineering Center of Catalysis and Synthesis for Chiral Molecules Department of Chemistry Fudan University Shanghai 200433 People's Republic of China
3. Shanghai Engineering Center of Industrial Asymmetric Catalysis for Chiral Drugs Shanghai 200433 People's Republic of China