dimethoxymethylium tetrafluoroborate 、
6,16-ditert-butyl-18,19-dimethyl-2-methylsulfanyltricyclo[12.3.1.14,8]nonadeca-1(17),4,6,8(19),14(18),15-hexaene 以79%的产率得到tetrafluoro-l4-borane, (15,45-di-tert-butyl-12,42-dimethyl-1,4(1,3)-dibenzenacyclononaphane-2-yl)dimethylsulfonium salt