4-氯-3-硝基喹啉用作有机合成、医药中间体。
有机合成; 医药
合成路线 1(1. 合成:39061-97-7)
产率:93%
合成条件:With thionyl chloride In dichloromethane; N,N-dimethyl-formamideReflux; Cooling with ice
实验步骤:将中间体3-硝基-4-羟基喹啉70(18.7g,98.4mmol)悬浮在二氯甲烷(150mL)中。 加入亚硫酰氯(17.2mL,236mmol)和N,N-二甲基甲酰胺(9.2mL,118mmol)。 然后将反应混合物加热回流过夜。 然后将反应混合物倒入冰中。 分离各层,有机层用NaHCO 3溶液,水和盐水洗涤。 将有机层用Na 2 SO 4干燥,过滤并真空浓缩。 将残余物(20.52g,产率93%)不经任何进一步纯化用于下一步骤。 4 - ((3-硝基喹啉-4-基氨基)甲基)苯甲酸甲酯:
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