meso-(3R,4s,5S)-bis(2-hydroxyethyl) 4-(4-fluorophenyl)-1-methyl-2,6-dioxopiperidine-3,5-dicarboxylate 在
subtilisin Carlsberg
水 作用下,
以
2-甲基-2-丁醇 为溶剂,
反应 12.0h,
以63%的产率得到2-hydroxyethyl (3S,4R)-4-(4-fluorophenyl)-1-methyl-2,6-dioxopiperidine-3-carboxylate