(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