1. School
of Chemistry and Chemical Engineering, Chongqing University, Chongqing 400030, P. R. China
2. College
of Chemistry and Molecular Sciences, Wuhan University, Wuhan, Hubei 430072, P. R. China
3. National
Research Center for Carbohydrate Synthesis, Jiangxi Normal University, Nanchang, Jiangxi 330022, P. R. China
4. State
Key Laboratory for Oxo Synthesis and Selective Oxidation, Suzhou Research Institute of LICP, Lanzhou Institute of Chemical Physics (LICP), CAS, Lanzhou 730000, P. R. China