对硝基肉桂醛 、 ethyl 3-oxo heptenoate 在
(2S)-2-[二苯基[(三甲基硅酯)氧基]甲基]-吡咯烷 作用下,
以
2,2,2-三氟乙醇 为溶剂,
反应 24.0h,
生成 (1S,5S,6R)-ethyl 5-ethyl-6-formyl-3-hydroxy-4'-nitro-1,4,5,6-tetrahydro-[1,1'-biphenyl]-2-carboxylate 、 (1S,5R,6S)-ethyl 5-ethyl-6-formyl-3-hydroxy-4'-nitro-1,4,5,6-tetrahydro-[1,1'-biphenyl]-2-carboxylate 、
(1S,5S,6S)-ethyl 5-ethyl-6-formyl-3-hydroxy-4'-nitro-1,4,5,6-tetrahydro-[1,1'-biphenyl]-2-carboxylate