6-{[(3R,5aR,12S)-3,6,9-Trimethyldecahydro-3,12-epoxy[1,2]dioxepino[4,3-i]isochromen-10-yl]oxy}hexanoic acid 、
4-{[(4-amino-1-methyl-1H-pyrrol-2-yl)carbonyl]amino}-N-[3-(dimethylamino)propyl]-1-methyl-1H-pyrrole-2-carboxamide 在
O-(1H-benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium 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42%的产率得到N-[3-(dimethylamino)propyl]-1-methyl-4-[({1-methyl-4-[(6-{[(3R,5aR,12S)-3,6,9-trimethyldecahydro-3,12-epoxy[1,2]dioxepino[4,3-i]isochromen-10-yl]oxy}hexanoyl)amino]-1Hpyrrol-2-yl}carbonyl)amino]-1H-pyrrole-2-carboxamide