丁腈   、                                                                                      
6,7-dimethoxy-N2-(4-phenyl-piperidin-4-ylmethyl)-N2-methyl-quinazoline-2,4-diamine                                                                                                                                                              在
                                                                                                                                         
氯化亚铜                                                                                                                                                                                                                               silica gel                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
乙醇                                                                                  为溶剂,
                                                                                                                                                    反应 24.0h,
                                                                                                                以to provide N2-[1-(1-imino-butyl)-4-phenyl-piperidin-4-ylmethyl]-6,7-dimethoxy-N2-methyl-quinazoline-2,4-diamine 17的产率得到N2-[1-(1-imino-butyl)-4-phenyl-piperidin-4-ylmethyl]-6,7-dimethoxy-N2-methyl-quinazoline-2,4-diamine