2-(methylthio)-5-(3-pyridinyloxy)-4(3H)-pyrimidinone   、                                                                                      
2-(((5-二甲基氨基)甲基)-2-呋喃基)甲基)硫代乙胺                                                                                                                                                              在
                                                                                                                                                                                 silica ethyl acetate methanol                                                                                                                                  作用下,
                                                                                                                                                                                        反应 6.0h,
                                                                                                                以to give the title compound (1.0 g) as a yellow gum的产率得到2-[[2-[[[5-[(Dimethylamino)methyl]-2-furanyl]methyl]thio]ethyl]amino]-5-(3-pyridinyloxy)-4(3H)-pyrimidinone