1. Henan Key Laboratory of Organic Functional Molecule and Drug Innovation, Collaborative Inovation Center of Henan Province for Green Manufacturing of Fine Chemicals, Key Laboratory of Green Chemical Media and Reactions, Ministry of Education, School of Chemistry and Chemical Engineering, Henan Normal University, Xianxiang, Henan, P. R. China;
2. Jiangxi Key Laboratory of Organic Chemistry, Jiangxi Science & Technology Normal University, Nanchang 330013, P. R. China;
3. Chungnam National University, Department of Advanced Organic Materials Engineering, Daejeon 305-764, S. Korea