参考文献

Lee, Sang-Hyeup; Bok, Juhan; Qi, Xin; Kim, Sook Kyung; Lee, Yoon-Sik; Yoon, Juyoung Tetrahedron Letters, 2007, vol. 48, # 41 p. 7309 - 7312 doi: 10.1016/j.tetlet.2007.08.041