[(5R)-17,20-dimethoxy-3,12-dioxo-2-(1-oxo-1,2-dihydro-isoquinolin-7-ylamino)-13-oxa-4,11-diaza-tricyclo[14.2.2.1(6,10)]henicosa-1(19),6,8,10(21),16(20),17-hexaen-5-yl]-acetic acid ethyl ester 在
lithium hydroxide 、
水 、
盐酸 作用下,
以
四氢呋喃 、
水 为溶剂,
反应 2.0h,
生成 [(2S,5R)-17,20-dimethoxy-3,12-dioxo-2-(1-oxo-1,2-dihydro-isoquinolin-7-ylamino)-13-oxa-4,11-diaza-tricyclo[14.2.2.1(6,10)]henicosa-1(19),6,8,10(21),16(20),17-hexaen-5-yl]-acetic acid 、
[(2R,5R)-17,20-dimethoxy-3,12-dioxo-2-(1-oxo-1,2-dihydro-isoquinolin-7-ylamino)-13-oxa-4,11-diaza-tricyclo[14.2.2.1(6,10)]henicosa-1(19),6,8,10(21),16(20),17-hexaen-5-yl]-acetic acid