7-((S)-3-Amino-pyrrolidin-1-yl)-6-fluoro-1-(4-methoxy-phenyl)-5-methyl-4-oxo-1,4-dihydro-[1,8]naphthyridine-3-carboxylic acid ethyl ester 在
氢溴酸 作用下,
以
溶剂黄146 为溶剂,
反应 4.0h,
生成 7-<(3S)-3-amino-1-pyrrolidynyl>-6-fluoro-1-(4-hydroxyphenyl)-1,4-dihydro-5-methyl-4-oxo-1,8-naphthyridine-3-carboxylic acid