1-[(2S,3R)-4-[4-(3,5-Difluoro-benzyloxy)-benzenesulfonyl]-2-methyl-3-(4-methyl-2,6,7-trioxa-bicyclo[2.2.2]oct-1-yl)-piperazin-1-yl]-ethanone 在
三氟乙酸 作用下,
生成
(2R,3S)-4-Acetyl-1-[4-(3,5-difluoro-benzyloxy)-benzenesulfonyl]-3-methyl-piperazine-2-carboxylic acid