Pandey, Suresh K.; Gryshuk, Amy L.; Graham, Andrew; Ohkubo, Kei; Fukuzumi, Shunichi; Dobhal, Mahabeer P.; Zheng, Gang; Ou, Zhongping; Zhan, Riqiang; Kadish, Karl M.; Oseroff, Allan; Ramaprasad; Pandey, Ravindra K.
Tetrahedron, 2003 , vol. 59, # 50 p. 10059 - 10073

Acholla, Francis V.; Mertes, Kristin Bowman
Tetrahedron Letters, 1984 , vol. 25, # 31 p. 3269 - 3270