(12aS)-9-(3-iodopropoxy)-8-methoxy-12a,13-dihydroindolo[2,1-c][1,4]benzodiazepin-6-one 、
N-[(12aS)-9-hydroxy-8-methoxy-6-oxo-12a,13-dihydroindolo[2,1-c][1,4]benzodiazepin-3-yl]-4-methyl-4-(methyldisulfanyl)pentanamide 在
potassium carbonate 作用下,
以
N,N-二甲基甲酰胺 为溶剂,
以50.8%的产率得到N-[(12aS)-9-[3-[[(12aS)-8-methoxy-6-oxo-12a,13-dihydroindolo[2,1-c][1,4]benzodiazepin-9-yl]oxy]propoxy]-8-methoxy-6-oxo-12a,13-dihydroindolo[2,1-c][1,4]benzodiazepin-3-yl]-4-methyl-4-(methyldisulfanyl)pentanamide