methyl 6-(2,4-dichlorophenyl)-9,9-dimethyl-7-oxo-6,8,10,11-tetrahydro-5H-benzo[b][1,4]benzodiazepine-2-carboxylate   、                                                                                      methyl 6-(2,4-dichlorophenyl)-9,9-dimethyl-7-oxo-6,8,10,11-tetrahydro-5H-benzo[b][1,4]benzodiazepine-3-carboxylate   、                                                                                      
乙酸酐                                                                                                                                                                                              以
                                                                                         
吡啶                                                                                  为溶剂,
                                                                                                                                                    反应 12.0h,
                                                                                                                生成                                                 
10-acetyl-11-(2,4-dichlorophenyl)-3,3-dimethyl-1-oxo-2,3,4,5,10,11-hexahydro-1H-dibenzo[b,e][1,4]diazepine-7-carboxylic acid methyl ester   、                                                                                             
10-acetyl-11-(2,4-dichlorophenyl)-3,3-dimethyl-1-oxo-2,3,4,5,10,11-hexahydro-1H-dibenzo[b,e][1,4]diazepine-8-carboxylic acid methyl ester