The Hodge mechanism for the generation of 2-acetyl-1, 4, 5, 6 -tetrahydropyridine, from proline and 1,2-propanedione, most probably does not involve the intermediacy of N-acetonyl-4-aminobutanal.

• 从脯氨酸和丙酮醛产生的2-乙酰基-1,4,5,6-四氢吡啶,相关的Hodge机理中,可能并不包含中间体N-丙酮基-4-氨基-丁醛。