(E)-4-(3-(3-bromo-4-fluorophenyl)acrylamido)-N-(2-(5-fluoro-1H-indol-3-yl)ethyl)piperidine-4-carboxamide   、                                                                                      
N,N-二异丙基乙胺   、                                                                                      
氯甲酸甲酯                                                                                                                                                              在
                                                                                                                                                                                 
碳酸氢钠   、                                                                                                  Brine   、                                                                                                  
Sodium sulfate-III   、                                                                                                  crude material   、                                                                                                  silica gel   、                                                                                                  Dichloromethane methanol ammonium hydroxide   、                                                                                                  
(E)-methyl 4-(3-(3-bromo-4-fluorophenyl)acrylamido)-4-(2-(5-fluoro-1H-indol-3-yl)ethylcarbamoyl)piperidine-1-carboxylate                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
二氯甲烷                                                                                  为溶剂,
                                                                                                                                                    反应 1.0h,
                                                                                                                以to give desired compound (E)-methyl 4-(3-(3-bromo-4-fluorophenyl)acrylamido)-4-(2-(5-fluoro-1H-indol-3-yl)ethylcarbamoyl)piperidine-1-carboxylate (60 mg, 54%) as white foam的产率得到(E)-methyl 4-(3-(3-bromo-4-fluorophenyl)acrylamido)-4-(2-(5-fluoro-1H-indol-3-yl)ethylcarbamoyl)piperidine-1-carboxylate