(S)-N-methyl-N-(pyrrolidin-3-yl)cyclopropanecarboxamide 、
2-氟-5-醛基苯甲酸 、
2-(1h-Benzotriazole-1-yl)-1,1,3,3-tetramethyluronium hexafluorophosphate 、
N,N-二异丙基乙胺 以to afford the intermediate compound (S)—N-(1-(2-fluoro-5-formylbenzoyl)pyrrolidin-3-yl)-N-methylcyclopropanecarboxamide (470 mg, 71%)的产率得到(S)-N-(1-(2-fluoro-5-formylbenzoyl)pyrrolidin-3-yl)-N-methylcyclopropanecarboxamide