4,4'-((4R,4'R)-(azanediylbis(ethane-2,1-diyl))bis(2,5-dioxo-1-(3-(trifluoromethyl)phenyl)-2,3,4,5,6,7-hexahydro-1H-pyrrolo[3,4-d]pyrimidine-6,4-diyl))dibenzonitrile 、 3-(4-carboxypyridinium-1-yl)propane-1-sulfonate 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 20.0h,
以68%的产率得到3-[4-[bis[2-[(4R)-4-(4-cyanophenyl)-2,5-dioxo-1-[3-(trifluoromethyl)phenyl]-4,7-dihydro-3H-pyrrolo[3,4-d]pyrimidin-6-yl]ethyl]carbamoyl]pyridin-1-ium-1-yl]propane-1-sulfonate