(2S,4R)-di-tert-butyl 4-{[(1R,4S)-7,7-dimethyl-2-oxobicyclo[2.2.1]heptan-1-yl]methylsulfonyloxy}pyrrolidine-1,2-dicarboxylate 在
盐酸 作用下,
以
乙醚 为溶剂,
反应 4.0h,
以95%的产率得到(2S,4R)-4-{[(1R,4S)-7,7-dimethyl-2-oxobicyclo[2.2.1]heptan-1-yl]methylsulfonyloxy}pyrrolidine-2-carboxylic acid hydrochloride