在
三氟化硼乙醚 、
N,N-二异丙基乙胺 作用下,
以
二氯甲烷 为溶剂,
以0.2 g的产率得到8-[6-(5,11-Diethyl-2,2-difluoro-4,6,10,12-tetramethyl-3-aza-1-azonia-2-boranuidatricyclo[7.3.0.03,7]dodeca-1(12),4,6,8,10-pentaen-8-yl)dibenzothiophen-4-yl]-5,11-diethyl-2,2-difluoro-4,6,10,12-tetramethyl-3-aza-1-azonia-2-boranuidatricyclo[7.3.0.03,7]dodeca-1(12),4,6,8,10-pentaene