1. Conversions of primary amino groups into other functionality mediated by pyrylium cations
2. A.R. Katritzky, G. Musumarra, K. Sakizadeh, S.M.M. El-Shafie and B. Jovanović, Tetrahedron Letters, preceding paper
3. A.R. Katritzky and S.S. Thind, J. Chem. Soc. Perkin I, in the press
4. Unpublished work with Dr. R.C. Patel, S.S. Thind, M.C. Rezende, T. Langthorne and S. Burgess