**Author details**

Yun Wang<sup>1</sup> and Na Wang<sup>2</sup> \*

1 School of Chemistry and Chemical Engineering, Lingnan Normal University, Zhanjiang, China

2 Key Laboratory of Green Chemistry and Technology, Ministry of Education, College of Chemistry, Sichuan University, Chengdu, P.R. China

\*Address all correspondence to: wnchem@scu.edu.cn

© 2019 The Author(s). Licensee IntechOpen. This chapter is distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/ by/3.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
