3-[4-苯基哌嗪基]-2-羟丙基氯   、                                                                                      
7-methyl-5-(morpholine-4-carbonyl)-3-phenyl-1H-pyrido[2,3-d]pyrimidine-2,4-dione                                                                                                                                                              在
                                                                                                                                                                                 
potassium ethoxide                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
乙醇                                                                                  为溶剂,
                                                                                                                                                                                        以60%的产率得到1-[2-Hydroxy-3-(4-phenylpiperazin-1-yl)propyl]-7-methyl-5-(morpholine-4-carbonyl)-3-phenylpyrido[2,3-d]pyrimidine-2,4-dione