、
苯丁酸氮芥 在
benzotriazol-1-yloxyl-tris-(pyrrolidino)-phosphonium hexafluorophosphate 、
N,N-二异丙基乙胺 作用下,
以
N,N-二甲基甲酰胺 为溶剂,
以24%的产率得到4-[4-[bis(2-chloroethyl)amino]phenyl]-N-[3-[2-[[5-[[5-[[3-[2-[[5-[[4-[2-[[5-[[3-[2-[[5-[[5-[3-(dimethylamino)propylcarbamoyl]-1-methylpyrrol-3-yl]carbamoyl]-1-methylpyrrol-3-yl]carbamoyl]-1-methylimidazol-4-yl]imino-3-hydroxypropyl]carbamoyl]-1-methylpyrrol-3-yl]carbamoyl]-1-methylimidazol-4-yl]imino-4-hydroxybutyl]carbamoyl]-1-methylpyrrol-3-yl]carbamoyl]-1-methylimidazol-4-yl]imino-3-hydroxypropyl]carbamoyl]-1-methylpyrrol-3-yl]carbamoyl]-1-methylpyrrol-3-yl]carbamoyl]-1-methylimidazol-4-yl]imino-3-hydroxypropyl]butanimidic acid