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 在
甲醇 、
乙醚 、
三氟乙酸 作用下,
以
二氯甲烷 为溶剂,
反应 1.5h,
以to yield 856 mg (97%) of (3R,4R)-N-tert-butoxy-3-hydroxy-4-(4-((2-methylquinolin-4-yl) methoxy)phenylsulfonamido)piperidine-3-carboxamide as the trifluoroacetic acid salt的产率得到(3R,4R)-N-tert-butoxy-3-hydroxy-4-(4-((2-methylquinolin-4-yl) methoxy)phenylsulfonamido)piperidine-3-carboxamide