1. Key Laboratory of Environmentally Friendly Chemistry and Application of Ministry of Education Hunan Province, Key Laboratory of Green Organic Synthesis and Application, College of Chemistry, Xiangtan University, Xiangtan 411105, P. R. China
2. College of Materials and Chemical Engineering, Hunan City University, Yiyang 413000, P. R. China
3. School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang 453007, P. R. China