参考文献

Yadav, J. S.; Sengupta, Sandip; Yadav, Nagendra Nath; Narasimha Chary, D.; Al Ghamdi, Ahmad Alkhazim Tetrahedron Letters, 2012, vol. 53, # 44 p. 5952 - 5954,3 doi: 10.1016/j.tetlet.2012.08.112