1-Boc-4-氨基哌啶 、
2-氟-5-溴苯腈 在
碳酸氢钠 、 Brine 、
magnesium sulfate 、 Ethyl acetate hexane methylene-chloride 、
tert-butyl 4-(4-bromo-2-cyanophenylamino)piperidine-1-carboxylate 作用下,
以
氯仿 为溶剂,
反应 20.0h,
以Flash chromatography with 25:10:65 and 35:10:55 EtOAc-CH2Cl2-Hexane of the concentrated organic layers gave the desired product, tert-butyl 4-(4-bromo-2-cyanophenylamino)piperidine-1-carboxylate as a light yellow glassy foam的产率得到tert-butyl 4-(4-bromo-2-cyanophenylamino)piperidine-1-carboxylate