7-((1R,4R,6S)-5-Benzyl-6-methyl-2,5-diaza-bicyclo[2.2.1]hept-2-yl)-1-tert-butyl-6-fluoro-5-methyl-4-oxo-1,4-dihydro-[1,8]naphthyridine-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93.5%的产率得到1-tert-Butyl-6-fluoro-5-methyl-7-((1R,4R,6S)-6-methyl-2,5-diaza-bicyclo[2.2.1]hept-2-yl)-4-oxo-1,4-dihydro-[1,8]naphthyridine-3-carboxylic acid ethyl ester