Journal f. prakt. Chemie. Band 331, Heft 2, 1989, S. 285-292 ... Studies on the Oxidation of Enamines with Molecular Oxygen. I. ... Department of Chemistry; Carl Schorlemmer Technical University of Leuna-Merseburg ... Abstract. In the antoxidation of 1-piperidinocyclohox-1-ene (l), 1-piperidinobut-1-ene (2), 3-piperidinopent-2-ene (3), and l-piperidino-:!-methyl-prop-l-ene(4 ) ... It is well known that olefins react with molecular oxygen according to a free-radical ...