8-(4-Bromophenyl)-4,12-bis(butylsulfanyl)-2,2-difluoro-3-aza-1-azonia-2-boranuidatricyclo[7.3.0.03,7]dodeca-1(12),4,6,8,10-pentaene 、
methyl 4-(tributylstannyl)benzoate 在
四(三苯基膦)钯 copper(I) 2-hydroxy-3-methylbenzoate 作用下,
以
四氢呋喃 为溶剂,
以62%的产率得到Methyl 4-[8-(4-bromophenyl)-2,2-difluoro-12-(4-methoxycarbonylphenyl)-1-aza-3-azonia-2-boranuidatricyclo[7.3.0.03,7]dodeca-3,5,7,9,11-pentaen-4-yl]benzoate