tert-butyl 3-[2-[2-[2-[6-[[(19S)-10,19-diethyl-19-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-7-yl]oxycarbonylamino]hexylcarbamoyloxy]ethoxy]ethoxy]ethoxy]propanoate 在
三氟乙酸 作用下,
反应 0.33h,
以85%的产率得到3-[2-[2-[2-[6-[[(19S)-10,19-diethyl-19-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-7-yl]oxycarbonylamino]hexylcarbamoyloxy]ethoxy]ethoxy]ethoxy]propanoic acid