Kustanovich, I.; Poupko, R.; Zimmermann, H.; Luz, Z.; Labes, M. M.
Journal of the American Chemical Society, 1985 , vol. 107, p. 3494 - 3501

Kumar, Praveen; Chilton, William Scott
Tetrahedron Letters, 1994 , vol. 35, # 20 p. 3247 - 3250