Gian Luca Araldi, K. R. C. Prakash, Alan P. Kozikowski, Gian Luca Araldi and Clifford George
A method for gaining access to 2-alkyl-3-phenyl-substituted tropanes using the chiral dipolarophile (R)-p-tolyl vinyl sulfoxide in the asymmetric 1,3-dipolar cycloaddition reaction with the oxidopyridinium betaine 4 is described.