N-甲基哌嗪   、                                                                                      
5-{2-[5-(3,4-dichlorophenyl)furan-2-yl]ethylcarbamoyl}-1H-pyrazole-3-carboxylic acid                                                                                                                                                              在
                                                                                                                                                                                 
N-(2-(5-(3,4-dichlorophenyl)furan-2-yl)ethyl)-3-(4-methylpiperazine-1-carbonyl)-1H-pyrazole-5-carboxamide   、                                                                                                  Crude product   、                                                                                                  silica   、                                                                                                  eluent   、                                                                                                  
methanol-dichloromethane   、                                                                                                  methylene chloride-heptane                                                                                                                                  作用下,
                                                                                                                                                                                                                            以to give 1.06 g (35%) of the title compound的产率得到N-(2-(5-(3,4-dichlorophenyl)furan-2-yl)ethyl)-3-(4-methylpiperazine-1-carbonyl)-1H-pyrazole-5-carboxamide