methyl trans-6-nitro-2-hexenoate 、
benzaldehyde N-boc imine 在
(1R,2R)-1-Me
2N-2-[3,5-(CF
3)2C
6H
3NHC(=S)NH]cyclohexane 作用下,
以
二氯甲烷 为溶剂,
反应 24.0h,
生成 methyl (6S,7R)-trans-7-[N-(tert-butoxycarbonyl)amino]-6-nitro-7-phenyl-2-heptenoate 、 methyl (6R,7R)-trans-7-[N-(tert-butoxycarbonyl)amino]-6-nitro-7-phenyl-2-heptenoate 、 methyl (6S,7S)-trans-7-[N-(tert-butoxycarbonyl)amino]-6-nitro-7-phenyl-2-heptenoate 、 methyl (6R,7S)-trans-7-[N-(tert-butoxycarbonyl)amino]-6-nitro-7-phenyl-2-heptenoate