1,1-dimethylethyl (2S,5S)-2-{[(5-chloro-2-pyridinyl)amino]methyl}-5-methyl-1-piperidinecarboxylate 、
三氟乙酸 以
二氯甲烷 为溶剂,
反应 2.0h,
以Collected fractions gave the title compound D11 (0.60 g, 2.51 mmol, quantitative yield)的产率得到5-chloro-N-{[(2S,5S)-5-methyl-2-piperidinyl]methyl}-2-pyridinamine