(S)-2-tert-butoxycarbonylamino-4-{6-methoxy-4-[4-(2-oxo-2-phenyl-ethyl)-phenoxy]-quinolin-7-yloxy}-butyric acid cyclopentyl ester 以
trifluoracetic acid-dichloromethane 为溶剂,
反应 2.0h,
以to give the title compound (11 mg)的产率得到(S)-2-amino-4-{6-methoxy-4-[4-(2-oxo-2-phenyl-ethyl)-phenoxy]-quinolin-7-yloxy}-butyric acid cyclopentyl ester