(3aS,5S,5aR,10bR,12bS)-9-Bromo-3a-ethyl-5-nitro-2,3,3a,5,5a,11,12,12b-octahydro-1H,4H-6,12a-diaza-indeno[7,1-cd]fluorene-6-carboxylic acid methyl ester 在
盐酸 作用下,
以
甲醇 为溶剂,
反应 3.0h,
以58%的产率得到(3aS,5aR,10bR,12bS)-9-Bromo-3a-ethyl-5-oxo-2,3,3a,5,5a,11,12,12b-octahydro-1H,4H-6,12a-diaza-indeno[7,1-cd]fluorene-6-carboxylic acid methyl ester