{2-[((S)-6-Benzyl-4-oxo-1,2,3,4,5,6,7,8-octahydro-[1,6]naphthyridine-2-carbonyl)-amino]-ethyl}-carbamic acid tert-butyl ester 在
palladium on activated charcoal
氢气 作用下,
以
甲醇 为溶剂,
生成 {2-[((S)-4-Oxo-1,2,3,4,5,6,7,8-octahydro-[1,6]naphthyridine-2-carbonyl)-amino]-ethyl}-carbamic acid tert-butyl ester