(E)-ethyl 3-(2-((S)-1-formyl-3,3-bis(phenylsulfonyl)propyl)phenyl)acrylate 、
N-(4-bromophenyl)hydroxylamine 以
甲苯 为溶剂,
反应 3.0h,
以64.1 mg的产率得到(3S,3aS,8S,8aR)-ethyl 8-(2,2-bis(phenylsulfonyl)ethyl)-1-(4-bromophenyl)-3,3a,8,8a-tetrahydro-1H-indeno[2,1-c]isoxazole-3-carboxylate