7-<(1R,4R,6R)-5-(phenylmethyl)-6-methyl-2,5-diazabicyclo<2.2.1>heptan-2-yl>-1-(1,1-dimethylethyl)-6-fluoro-1,4-dihydro-4-oxo-1,8-napthyridine-3-carboxylic acid ethyl ester 在
palladium on activated charcoal
盐酸 、
氢气 作用下,
以
甲醇 为溶剂,
反应 2.0h,
以99.3%的产率得到7-<(1R,4R,6R)-6-methyl-2,5-diazabicyclo<2.2.1>heptan-2-yl>-1-(1,1-dimethylethyl)-6-fluoro-1,4-dihydro-4-oxo-1,8-napthyridine-3-carboxylic acid ethyl ester hydrochloride