、 5'-methoxy-1-methyl-2'-(N-methylanilino)isonipecotanilide 、
N-苯基-4-哌啶甲酰胺盐酸盐 、 Phosphorus pentoxide phosphorus oxychloride 以8-methoxy-5-methyl-11-(1-methyl-4-piperidyl)-5H-dibenzo[b,e]-[1,4]diazepine is obtained的产率得到8-Methoxy-5-methyl-11-(1-methyl-4-piperidyl)-5H-dibenzo[b,e][1,4]diazepine