2-tert-butoxycarbonylamino-propionic acid 10-(2-tert-butoxycarbonylamino-propionyloxy)-13-[4-(2-tert-butoxycarbonylamino-propionyloxy)-3-methoxy-phenyl]-2,11-dimethoxy-6-oxo-7,8-dihydro-6H-5-oxa-6b-aza-dibenzo[a,i]fluoren-3-yl ester 在
三氟乙酸 作用下,
以
二氯甲烷 为溶剂,
反应 2.0h,
生成 [4-[7,17-bis[[(2S)-2-aminopropanoyl]oxy]-8,16-dimethoxy-3-oxo-4-oxa-1-azapentacyclo[11.8.0.02,11.05,10.014,19]henicosa-2(11),5,7,9,12,14,16,18-octaen-12-yl]-2-methoxyphenyl] (2S)-2-aminopropanoate