Chemistry of Allylsulfones: A New Preparation of N-Diphenylmethylene-2-Vinyl-Substituted Cyclopropylamines - Díez, David; García, P; Fernández, P; Marcos, Isidro S; Garrido, N M; Basabe, P; Broughton, Howard B; Urones, Julio G (Synlett, 2005)