A. Malpica, M. Calzadilla, J. Baumrucker
Jun 1, 1994
Citations
0
Influential Citations
9
Citations
Journal
Journal of Organic Chemistry
Abstract
Oxime formation from pyridine-2-, -3-, and -4-carboxaldehydes occurs with rate-limiting carbinolamine dehydration under both acidic and neu- tral conditions. Carbinolamine dehydration of pyridine-2-carboxaldehyde occurs via a transition state bearing a single positive charge, unlike the corresponding reaction for formyl-1-methylpyridinium ion and the reaction under acidic conditions for pyridine-3- and -4-carboxaldehydes