tert-butyl (3R,4R)-3-[(tert-butoxyamino)carbonyl]-3-hydroxy-4-[({4-[(2-methylquinolin-4-yl)methoxy]phenyl}sulfonyl)amino]piperidine-1-carboxylate 、
三氟乙酸 以
二氯甲烷 为溶剂,
反应 1.5h,
以97%的产率得到(3R,4R)-N-tert-butoxy-3-hydroxy-4-(4-((2-methylquinolin-4-yl)methoxy)phenylsulfonylamino)piperidine-3-carboxamide trifluoroacetic acid salt