(4-Methyl-9-thiophen-2-ylmethyl-6,7,8,9-tetrahydro-5H-pyrimido[4,5-b]azepin-2-yl)-(2,4,6-trimethyl-phenyl)-amine   、                                                                                      
碘乙烷   、                                                                                      
三氟乙酸                                                                                                                                                              在
                                                                                                                                                                                 sodium hydride                                                                                                                                  作用下,
                                                                                                                以
                                                                                         DMF (N,N-dimethyl-formamide)                                                                                  为溶剂,
                                                                                                                                                    反应 18.25h,
                                                                                                                生成                                                 ethyl-(4-methyl-9-thiophen-2-ylmethyl-6,7,8,9-tetrahydro-5H-pyrimido[4,5-b]azepin-2-yl)-(2,4,6-trimethyl-phenyl)-amine trifluoro-acetic acid salt