3,4,5,6-Tetrafluoro-tricyclo[6.2.2.02,7]dodeca-2(7),3,5,9,11-pentaene 、
3-methoxycarbonyl-2-pyridinesulfenyl chloride 在
lithium perchlorate 作用下,
以
硝基甲烷 为溶剂,
反应 0.33h,
以83%的产率得到16-methoxycarbonyl-3,4,5,6-tetrafluoro-18-thia-12-azoniapentacyclo[9.8.0.0(2,7).0(8,19).0(12,17)]nonadeca-2(7),4,6,9,12(17),13,15-heptaene perchlorate