cis-4-[(5-benzyloxy-pyrimidin-2-yl)-(3,5-bis(trifluoromethyl)benzyl)-amino]-2,6-diethylpiperidine-1-carboxylic acid trans-4-methoxycarbonyl-cyclohexyl ester 在
palladium 10% on activated carbon
氢气 作用下,
以
甲醇 为溶剂,
反应 0.5h,
以70%的产率得到cis-4-[[5-(2-acetoxy-ethoxy)-pyrimidin-2-yl]-(3,5-bis(trifluoromethyl)benzyl)-amino]-2,6-diethylpiperidine-1-carboxylic acid trans-4-methoxycarbonyl-cyclohexyl ester