(19S)-7-[(4-azidophenyl)methoxy]-10,19-diethyl-19-hydroxy-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)-heptaene-14,18-dione 在
三(2-羰基乙基)磷盐酸盐 、
potassium carbonate 作用下,
以
N,N-二甲基甲酰胺 为溶剂,
反应 1.0h,
生成
(19S)-7-[(4-aminophenyl)methoxy]-10,19-diethyl-19-hydroxy-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)-heptaene-14,18-dione