Wan, Zehong; Yan, Hongxing; Hall, Ralph F.; Lin, Xichen; Livia, Stefano; Respondek, Tomasz; Widdowson, Katherine L.; Zhu, Chongjie; Callahan, James F.
Tetrahedron Letters, 2009 , vol. 50, # 3 p. 370 - 372