2,4-dimethylpentan-3-yl 4-[(3R,4S)-2-oxo-4-phenylmethoxycarbonyl-3-(pyridin-3-ylmethyl)azetidine-1-carbonyl]piperazine-1-carboxylate 在
palladium 10% on activated carbon
氢气 作用下,
以
1,4-二氧六环 为溶剂,
反应 3.0h,
以95%的产率得到(2S,3R)-1-[4-(2,4-dimethylpentan-3-yloxycarbonyl)piperazine-1-carbonyl]-4-oxo-3-(pyridin-3-ylmethyl)azetidine-2-carboxylic acid