anti-endo-anti-1,2,3,4-tetrachloro-13,13-dimethoxytetracyclo<8,2,1,02,903,8>trideca-4,6,11-triene 以80%的产率得到rac-(1R,4S,4aR,4bS,6aR,7S,7aS,7bR,8S,11R,11aS,11bR,12R,12aR,12bR,12cS)-1,2,3,4,8,9,10,11-octachloro-15,15,16,16-tetramethoxy-1,4,4a,4b,6a,7,7a,7b,8,11,11a,11b,12,12a,12b,12c-hexadecahydro-7,12-etheno-1,4:8,11-dimethanobiphenyleno[2,3-a]biphenylene