3-[3-(1-benzyloxycarbonyl-1-methylethoxy)phenyl]piperidine-1-carboxylic acid tert-butyl ester 在
乙酸乙酯 、
Sodium sulfate-III 作用下,
以
trifluoracetic acid-dichloromethane 为溶剂,
反应 0.33h,
以to yield 11.72 g (54% 3 steps) of 2-methyl-2-(3-piperidin-3-yl-phenoxy)-propionic acid benzyl ester as a pale yellow oil的产率得到2-methyl-2-(3-piperidin-3-ylphenoxy)propionic acid benzyl ester