cis-3-(4-methoxyphenyl)-4,5,6,6a-tetrahydro-3aH-pyrrolo[3,4-d]isoxazole trifluoroacetate 、 difluoroborane {6,7-difluoro-1-[(1R,2S)-2-fluorocyclopropan-1-yl]-1,4-dihydro-8-methoxy-4-oxoquinolin-3-yl}carboxylate 在
三乙胺 、
乙醇 作用下,
以
二甲基亚砜 为溶剂,
生成
7-[cis-3-(4-methoxyphenyl)-3a,4,6,6a-tetrahydro-pyrrolo[3,4-d]isoxazol-5-yl]-1-[(1R,2S)-2-fluorocyclopropyl]-6-fluoro-8-methoxy-4-oxo-1,4-dihydro-quinoline-3-carboxylic acid