methyl 2-[(3,5-dichloropyridin-4-yl)amino]-7,7-dimethyl-7,8-dihydro-1H-furo[3,2-e]benzimidazole-5-carboxylate   、                                                                                      
2,3,4-三氟苯胺   、                                                                                      
三甲基铝                                                                                                                                                              在
                                                                                                                                                                                 
2-((3,5-dichloropyridin-4-yl)amino)-7,7-dimethyl-N-(2,3,4-trifluorophenyl)-7,8-dihydro-1H-benzofuro[4,5-d]imidazole-5-carboxamide                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
甲苯                                                                                  为溶剂,
                                                                                                                                                                                        以to afford 0.075 g of the desired product的产率得到2-((3,5-dichloropyridin-4-yl)amino)-7,7-dimethyl-N-(2,3,4-trifluorophenyl)-7,8-dihydro-1H-benzofuro[4,5-d]imidazole-5-carboxamide