、
硼,[3-乙基-5-[1-(4-乙基-3,5-二甲基-2H-吡咯-2-亚基-kN)乙基]-2,4-二甲基-1H-吡咯酸根-kN]二氟-,(T-4)- 以
四氢呋喃 为溶剂,
以22%的产率得到5,11-Diethyl-4,6,8,10,12-pentamethyl-2,2-bis[2-(9-methylcarbazol-3-yl)ethynyl]-3-aza-1-azonia-2-boranuidatricyclo[7.3.0.03,7]dodeca-1(12),4,6,8,10-pentaene