(2R,5R)-3,3-Dimethyl-7-oxo-1-aza-bicyclo[3.2.0]heptane-2-carboxylic acid benzyl ester 、
1,2,3,4,4a,5,6,7-八氢-2,2,4a,7,7-五甲基萘啶 在
palladium on activated charcoal
氢气 作用下,
以
四氢呋喃 为溶剂,
反应 0.17h,
以88%的产率得到2,2,4a,7,7-Pentamethyl-1,2,3,4,4a,5,6,7-octahydro-[1,8]naphthyridine; compound with (2R,5R)-3,3-dimethyl-7-oxo-1-aza-bicyclo[3.2.0]heptane-2-carboxylic acid