ethyl 1-(3-cyano-4-fluorophenyl)-5-[(2'-methylsulfonyl-3-fluoro-[1,1']-biphen-4-yl)aminocarbonyl]pyrazole-4-carboxylate   、                                                                                      
丙酮肟                                                                                                                                                              在
                                                                                                                                                                                 
potassium tert-butylate                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
四氢呋喃   、                                                                                         DMF (N,N-dimethyl-formamide)                                                                                  为溶剂,
                                                                                                                                                    反应 18.0h,
                                                                                                                以65%的产率得到ethyl 1-(4-isopropylideneaminooxy-3-cyariophenyl)-5-[(2'-methylsulfonyl-3-fluoro-[1,1']-biphen-4-yl)aminocarbonyl]pyrazole-4-carboxylate