(4R)-diethyl 2-[(N-hydroxy-N-methylamino)methyl]-4-{(2R)-1-[(1S)-phenylethyl]piperidin-2-yl}pentanedioate 在
palladium dihydroxide ammonium formate 作用下,
以
乙醇 为溶剂,
反应 16.0h,
以48%的产率得到(1R,5S,11aR)-3-methyl-octahydro-1,5-methanopyrido[1,2-a][1,5]diazocine-2,6-dione