dimethyl tricyclo[4.2.2.02,5]deca-3,7,9-triene-7,8-dicarboxylate 、
2-硝基苯硫氯 、
乙腈 在
lithium tetrafluoroborate 作用下,
反应 10.0h,
以71%的产率得到rac-dimethyl (1R,2R,3S,3aS,5S,7aR,8R)-4-acetamido-2-((2-nitrophenyl)thio)-2,3,3a,4,5,7a-hexahydro-1H-1,3,5-(epimethanetriyl)indene-6,7-dicarboxylate