Picolinic acid is formed from 2-methylpyridine by oxidation, e.g. by means of potassium permanganate (KMnO4).Harold Hart (Autor), Leslie E. Craine (Autor), David J. Hart (Autor), Christopher M. Hadad (Autor); Nicole Kindler (Übersetzer): Organische Chemie, 3. Auflage, Wiley-VCH, Weinheim 2007, , S. 494.
