Published on 01 January 1980. Downloaded by google on 16/02/2016 23:51:57. ... View Article Online / Journal Homepage / Table of Contents for this issue ... 1 (a) W. Oppolzer, Synthesis, 1978, 793; (b) K. C. Nicolaou and WE Barnette, J . Chem. Soc., Chem. Commun., 1979, 1119. * E. M. Burgess and L. McCullagh, J . Am. Chem. Soc., 1966,88, 1580. ... 4 J. F. Bunnett, T. Kato, RR Flynn, and J. A. Skorcz, J . Org. Chem., 1963,28, 1. fr W. P. Norris, J . ...