tert-butyl(RS)-[1-[4-[4-(tert-butoxycarbonylamino-imino-methyl)-phenyl]-2-methyl-4-oxo-butyryl]-piperidin-4-yloxy]-acetate 在
三氟乙酸 作用下,
以
二氯甲烷 、
水 为溶剂,
生成 (RS)-[1-[4-[4-(amino-imino-methyl)-phenyl]-2-methyl-4-oxo-butyryl]-piperidin-4-yloxy]-acetic acid trifluoroacetate