4-[(4-bromo-benzyl)-(5-pentyl-pyridine-2-carbonyl)-amino]-piperidine-1-carboxylic acid tert-butyl ester 、
三氟乙酸 以
二氯甲烷 为溶剂,
反应 3.0h,
以to give 1.29 g (quantitative yield) of 5-pentyl-pyridine-2-carboxylic acid (4-bromo-benzyl)-piperidin-4-yl-amide trifluoroacetate (71)的产率得到5-pentyl-pyridine-2-carboxylic acid (4-bromo-benzyl)-piperidin-4-yl-amide trifluoroacetate