1. School of Chemistry and Chemical Engineering, Shanxi University, Taiyuan 030006, China
2. Institute of Molecular Science, Shanxi University, Taiyuan 030006, China
3. Engineering Research Center of Ministry of Education for Fine Chemicals, Shanxi University, Taiyuan 030006, China
4. Chemical Synthesis and Pollution Control Key Laboratory of Sichuan Province, College of Chemistry and Chemical Engineering, China West Normal University, Nanchong 637002, China