11-ethyl-5,11-dihydro-8-{2-{2-methyl-4-[1-(triphenylmethyl)-1H-imidazol-4-yl]phenoxy}ethyl}-5-methyl-6H-dipyrido[3,2-b:2',3'-e][1,4]diazepin-6-one   、                                                                                      
三氟乙酸                                                                                                                                                                                              以
                                                                                         
二氯甲烷                                                                                  为溶剂,
                                                                                                                                                    反应 3.0h,
                                                                                                                以70%的产率得到11-ethyl-5,11-dihydro-8-{2-[4-(1H-imidazol-4-yl)-2-methylphenoxy]ethyl}-5-methyl-6H-dipyrido[3,2-b:2',3'-e][1,4]diazepin-6-one trifluoroacetate