(untitled) - Hage,A.; Petra,D.G.I.; Field,J.A.; Schipper,D.; Wijnberg,J.B.P.A.; Kamer,P.C.J.; Reek,J.N.H.; van Leeuwen,P.W.N.M.; Wever,R.; Schoemaker,H.E. (Tetrahedron: Asymmetry, 2001)