Lee, Mase; Dukat, Malgorzata; Liao, Liang; Flammia, Dwight; Imad Damaj; Martin, Billy; Glennon, Richard A.
Bioorganic and Medicinal Chemistry Letters, 2002 , vol. 12, # 15 p. 1989 - 1992

Fountain; White, Robert D.; Patel, Kamlesh D.; New, Dallas G.; Xu, YuBo; Cassely, Aaron J.
Journal of Organic Chemistry, 1996 , vol. 61, # 26 p. 9434 - 9436

Kozikowski, Alan P.; Wu, Jiang-Ping
Tetrahedron Letters, 1987 , vol. 28, # 43 p. 5125 - 5128