Zhu, Shifa; Wang, Chao; Chen, Lijuan; Liang, Renxiao; Yu, Yingfeng; Jiang, Huanfeng
Organic Letters, 2011 , vol. 13, # 5 p. 1146 - 1149

Netscher, Thomas; Bohrer, Patrick
Tetrahedron Letters, 1996 , vol. 37, # 46 p. 8359 - 8362