N-羟基丁二酰亚胺 、
(9-carboxypropyl-8,9-dihydro-8,8-dimethyl-3-{4-[pyridin-1-ium-(3’,3’,4’,4’-tetrafluoro-2’-oxido-5’-oxo-1-cylopenten-1-yl)betaine]}-2H-pyrano[3,2-g]quinolin-2-one)-6-methyl phosphoric acid 在
三乙胺 、 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 16.0h,
以62%的产率得到(8,9-dihydro-8,8-dimethyl-9-(N-succinimidyl)oxycarbonylpropyl-3-{4-[pyridin-1-ium-(3’,3’,4’,4’-tetrafluoro-2’-oxido-5’-oxo-1-cylopenten-1-yl)betaine]}-2H-pyrano[3,2-g]quinolin-2-one)-6-methyl phosphoric acid