(3S,3aS,8S,8aR)-ethyl 8-(2,2-bis(phenylsulfonyl)ethyl)-1-phenyl-3,3a,8,8a-tetrahydro-1H-indeno[2,1-c]isoxazole-3-carboxylate 在
palladium 10% on activated carbon 、
氢气 作用下,
以
甲醇 为溶剂,
以98%的产率得到(S)-ethyl 2-((1S,2R,3S)-3-(2,2-bis(phenylsulfonyl)ethyl)-2-(phenylamino)-2,3-dihydro-1H-inden-1-yl)-2-hydroxyacetate