5-(3-(4-methoxyphenyl) acryloyl)-6-methyl-4-phenyl-3, 4-dihydropyrimidin-2(1H)-one                                                                                                                                                              在
                                                                                                                                                                                 
盐酸羟胺   、                                                                                                  3-butyl-1-methyl-1H-imidazol-3-ium hexafluorophosphate   、                                                                                                  potassium hydroxide                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
水                                                                                  为溶剂,
                                                                                                                                                                                        以85%的产率得到5-[5-(4-methoxyphenyl)-4,5-dihydroisoxazol-3-yl]-6-methyl-4-phenyl-3,4-dihydropyrimidin-2(1H)-one