5-[2-Ethoxy-5-(4-ethylpiperazin-1-ylsulphonyl)pyridin-3-yl]-3-(furan-2-yl)-2-methyl-2,6-dihydro7H-pyrazolo[4,3-d]pyrimidin-7-one                                                                                                                                                              在
                                                                                                                                         
钯                                                                                                                                                                          作用下,
                                                                                                                以
                                                                                         
乙醇   、                                                                                         
水                                                                                  为溶剂,
                                                                                                                                                    反应 18.0h,
                                                                                                                以to afford the title compound, (27 mg, 32%)的产率得到5-[2-Ethoxy-5-(4-ethylpiperazin-1-ylsulphonyl)-pyridin-3-yl]-2-methyl-3-(tetrahydrofuran-2-yl)-2,6-dihydro-7H-pyrazolo[4,3-d]pyrimidin-7-one