泰兰斯他汀A 、
N-(6-{[(9H-fluoren-9-ylmethoxy)carbonyl]amino}hexanoyl)-L-valyl-N5-carbamoyl-N-[4-({[(2-methylhydrazinyl)carbonyl]oxy}methyl)phenyl]-L-ornithinamide trifluoroacetate 在
N,N-二异丙基乙胺 、 Methanaminium,N-[(dimethylamino)(3H-1,2,3-triazolo[4,5-b]pyridin-3-yloxy)methylene]-N-methyl-, hexafluorophosphate(1-) 作用下,
以
N,N-二甲基甲酰胺 为溶剂,
反应 0.5h,
以40%的产率得到N-(6-{[(9H-fluoren-9-ylmethoxy)carbonyl]amino}hexanoyl)-L-valyl-N-[4-({[(2-{[(3R,5S,7R,8R)-7-{(1E,3E)-5-[(2S,3S,5R,6R)-5-{[(2Z,4S)-4-(acetoxy)pent-2-enoyl]amino}-3,6-dimethyltetrahydro-2H-pyran-2-yl]-3-methylpenta-1,3-dien-1-yl}-8-hydroxy-1,6-dioxaspiro[2.5]oct-5-yl]acetyl}-2-methylhydrazinyl)carbonyl]oxy}methyl)phenyl]-N
5-carbamoyl-L-ornithinamide