3,5-di-(2-bromophenoxy)-4,4-difluoro-8-(4-methylphenyl)-4-bora-3a,4a-diaza-s-indacene                                                                                                                                                              在
                                                                                                                                                                                 palladium diacetate   、                                                                                                  
potassium carbonate   、                                                                                                  
三苯基膦                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
甲苯                                                                                  为溶剂,
                                                                                                                                                    反应 48.0h,
                                                                                                                以69%的产率得到2,2-Difluoro-15-(4-methylphenyl)-5,25-dioxa-3-aza-1-azonia-2-boranuidaheptacyclo[14.10.0.03,14.04,12.06,11.018,26.019,24]hexacosa-1(26),4(12),6,8,10,13,15,17,19,21,23-undecaene