参考文献

Upadhyaya, Kapil; Ajay, Arya; Mahar, Rohit; Pandey, Renu; Kumar, Brijesh; Shukla, Sanjeev K.; Tripathi, Rama Pati Tetrahedron, 2013, vol. 69, # 40 p. 8547 - 8558 doi: 10.1016/j.tet.2013.07.088