[(19S)-10,19-diethyl-7-[(2-methylpropan-2-yl)oxycarbonyloxy]-14,18-dioxo-17-oxa-3,13-diazapentacyclo[11.8.0.02,11.04,9.015,20]henicosa-1(21),2,4(9),5,7,10,15(20)-heptaen-19-yl] 4-[[(2S)-1-[(2-methylpropan-2-yl)oxy]-1-oxo-3-phenylpropan-2-yl]amino]-4-oxobutanoate 在
三氟乙酸 作用下,
以
二氯甲烷 为溶剂,
反应 12.0h,
以100 mg的产率得到(2S)-2-[[4-[[(19S)-10,19-diethyl-7-hydroxy-14,18-dioxo-17-oxa-3,13-diazapentacyclo[11.8.0.02,11.04,9.015,20]henicosa-1(21),2,4(9),5,7,10,15(20)-heptaen-19-yl]oxy]-4-oxobutanoyl]amino]-3-phenylpropanoic acid