(3R,4S)-4-[2-(tert-butyl-dimethyl-silanyloxy)-ethyl]-3-(2-ethoxycarbonyl-vinyl)-piperidine-1-carboxylic acid tert-butyl ester 在
palladium 10% on activated carbon
氢气 作用下,
以
乙酸乙酯 为溶剂,
反应 2.0h,
生成
(3R,4S)-4-[2-(tert-butyl-dimethyl-silanyloxy)-ethyl]-3-(2-ethoxycarbonyl-ethyl)-piperidine-1-carboxylic acid tert-butyl ester