5,7-di(tert-butyl)-3-(3,5-dimethylphenylamino)-2-[4-(3,5-dimethylphenylamino)-5,8-dimethylquinolin-2-yl]cyclohepta-2,4,6-trienone   、                                                                                      
乙酸酐                                                                                                                                                                                                                                                                      反应 4.0h,
                                                                                                                以77%的产率得到3-[N-acetyl-(3,5-dimethylphenyl)amino]-5,7-di(tert-butyl)-2-[5,8-dimethyl-4-(3.5-dimethylphenylamino)-quinolin-2-yl]cyclohepta-2,4,6-trien-1-one