(untitled) - Woodward,R.B.; Ayer,W.A.; Beaton,J.M.; Bickelhaupt,F.; Bonnett,R.; Buchschacher,P.; Closs,G.L.; Dutler,H.; Hannah,J.; Hauck,F.P.; Ito,S.; Langemann,A.; et al. (Tetrahedron, 1990)