1-tert-butyl 2-methyl (2S,4S,5S)-4-({4-[(benzyloxy)carbonyl]-1-piperazinyl}carbonyl)-5-methyl-1,2-pyrrolidinedicarboxylate 在
sodium hydroxide 作用下,
以
甲醇 为溶剂,
反应 1.0h,
以96%的产率得到(2S,4S,5S)-4-({4-[(benzyloxy)carbonyl]-1-piperazinyl}carbonyl)-1-(tert-butoxycarbonyl)-5-methyl-2-pyrrolidinecarboxylic acid