Bergman, Jan; Venemalm, Lennart
Tetrahedron Letters, 1987 , vol. 28, # 32 p. 3741 - 3744

Wenkert, Ernest; Angell, E. Charles; Ferreira, Vitor F.; Michelotti, Enrique L.; Piettre, Serge R.; et al.
Journal of Organic Chemistry, 1986 , vol. 51, # 12 p. 2343 - 2351

Wenkert, Ernest; Angell, E. Charles; Ferreira, Vitor F.; Michelotti, Enrique L.; Piettre, Serge R.; et al.
Journal of Organic Chemistry, 1986 , vol. 51, # 12 p. 2343 - 2351