6,7-Dimethoxy-1-[5-(4-methoxy-phenyl)-[1,2,4]oxadiazol-3-ylmethyl]-3,4-dihydro-isoquinoline                                                                                                                                                              在
                                                                                                                                         palladium on activated charcoal                                                                                                                                                                                                                               
盐酸   、                                                                                                  
氢气                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
乙醇                                                                                  为溶剂,
                                                                                                                                                                                        以69%的产率得到9,10-Dimethoxy-4-(4-methoxy-phenyl)-6,7-dihydro-pyrimido[6,1-a]isoquinolin-2-ylideneamine; hydrochloride