Unusual Behaviour of N-Tosyl Pipecolinic Acid in Friedel-Crafts Reaction Conditions

References

1. Tetrahedron Lett. v.39 Seong, M. R.;Lee, H. J.;Kim, J. N.
2. Tetrahedron Lett. v.39 Seong, M. R.;Song, H. N.;Kim, J. N.
3. J. Org. Chem. v.57 Maryanoff, B. E.;McComsey, D. E.;Leo, G. C.;Almond, H. R. Jr.
4. J. Chem. Soc., Chem. Commun. Kawase, M.;Hirabayashi, M.;Koiwai, H.;Yamamoto, K.;Miyamae, H.