methyl 2-(4-(3,4-dihydro-2H-benzo[b][1,4]dioxepin-7-yl)-6-methyl-2-phenylpyrimidin-5-yl)pentanoate   、                                                                                      
sodium hydroxide                                                                                                                                                              在
                                                                                                                                                                                 silica gel   、                                                                                                  
甲醇   、                                                                                                  
二氯甲烷                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
甲醇                                                                                  为溶剂,
                                                                                                                                                                                        以furnished 0.063 g (70%) of the title compound as an oil的产率得到2-(4-(3,4-dihydro-2H-benzo[b][1,4]dioxepin-7-yl)-6-methyl-2-phenylpyrimidin-5-yl)pentanoic acid