A process is provided for the preparation of 2,2,6,6-tetramethyl-4-oxopiperidine, reacting acetone with 2,2,4,4,6-pentamethyl-2,3,4,5-tetrahydropyrimidine in the presence of a catalytically effective amount of an organic carboxylic acid halide.
提供了一种制备 2,2,6,6-四甲基-4-氧代
哌啶的工艺,在催化有效量的有机
羧酸卤化物存在下,
丙酮与 2,2,4,4,6-五甲基-2,3,4,5-四氢
嘧啶反应。