The 2, 2, 6, 6 - tetramethyl - 4 - piperidinol (piperidinol) was synthssized from catalytic hydrogenation of 2, 2, 6, 6 - tetramethyl - 4 - piperidone.

• 制备了由2，2，6，6-四甲基-4-哌啶酮催化氢化合成受阻胺类光稳定剂中间体2，2，6，6-四甲基-4-哌啶醇。