化学合成。
医药; 有机合成
合成路线 1(1. 合成:133446-99-8)
产率:96%
合成条件:With N-Bromosuccinimide In tetrachloromethane for 2 h; Reflux
实验步骤:U)2-溴甲基-4-硝基 - 苯甲酸甲酯将N-溴代琥珀酰亚胺(2.18g,12.30mmol)加入搅拌的2-甲基-4-硝基 - 苯甲酸甲酯(2g,10.25mmol)溶液中。 在室温下ABCN(626mg,2.56mmol)的四氯化碳(80ml)溶液。 将反应加热回流2小时,然后冷却至室温并搅拌15小时。 真空蒸发溶剂,将得到的残余物通过二氧化硅垫过滤(用二氯甲烷洗脱)。 将溶剂真空蒸发,得到标题化合物,为黄色固体(2.70g,96%)。 HPLC保留时间4.49分钟。 质谱(ES +)m / z 256(M + H)。
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