2-(2,6-difluorophenyl)-4,6-dimethylbenzimidazole 、
2,6-二氟溴苄 在
crude product 、
methanol-dichloromethane 、
正己烷 作用下,
以gave white crystals of 1-(2,6-difluorobenzyl)-2-(2,6-difluorophenyl)-4,6-dimethylbenzimidazole (0.68 g, 1.77 mmol, 91% yield)的产率得到1-(2,6-difluorobenzyl)-2-(2,6-difluorophenyl)-4,6-dimethylbenzimidazole