、
20-O-[L-Histidyl-L-valyl]-camptothecin trifluoroacetate 在
N,N-二异丙基乙胺 作用下,
以
N,N-二甲基甲酰胺 为溶剂,
反应 0.33h,
生成 3-[3-[[3-(diaminomethylideneamino)phenyl]sulfonylamino]phenyl]-3-[[3-[[(2S)-1-[[(2S)-1-[[(19S)-19-ethyl-14,18-dioxo-17-oxa-3,13-diazapentacyclo[11.8.0.02,11.04,9.015,20]henicosa-1(21),2,4,6,8,10,15(20)-heptaen-19-yl]oxy]-3-methyl-1-oxobutan-2-yl]amino]-3-(1H-imidazol-5-yl)-1-oxopropan-2-yl]carbamothioylamino]phenyl]sulfonylamino]propanoic acid