4,5-二氮芴-9-酮及其金属配合物对人癌细胞有抑制作用。可用作通用试剂、光电材料中间体。
医药; 光电材料
合成路线 1(1. 合成:50890-67-0)
产率:50%
合成条件:With potassium permanganate; potassium hydroxide In water for 5 h; Heating
实验步骤:将1,10-菲咯啉(4.0g,22.2mmol)和KOH(4.0g,71.3mmol)的水(250mL)煮沸1小时。 在约1小时内逐滴加入KMnO 4(10.0g,63.3mmol)在水(150mL)中的热溶液。 2小时到沸腾的混合物。 将反应混合物再煮沸2小时并热过滤。 冷却橙色滤液并用氯仿萃取。 将合并的有机萃取物用无水Na 2 SO 4干燥,除去溶剂,得到粗产物。 通过硅胶柱色谱进一步纯化,使用丙酮/石油醚(2:1)作为洗脱剂,得到纯的4,5-二氮杂芴-9-酮,为黄色固体(2g,50%)。 1 H NMR(CDCl 3):δ= 8.80(d,2H),7.96(d,2H),7.35(d,2H)。
参考文献:
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合成路线 2(2. 合成:50890-67-0)
产率:54%
合成条件:With sodium hydroxide; potassium oxalate In water at 100℃; for 2 h;
实验步骤:第2步; 向1L单颈烧瓶中加入30g(0.13mol,68%)5-硝基-1,10-菲咯啉,51g(0.61mol)草酸钾,12.5%NaOH(aq)150ml和450的混合物。 毫升水。 然后将混合物加热至回流(100℃)并搅拌2小时。 反应完成后,将反应混合物冷却至室温。 向反应混合物中加入1L乙酸乙酯,搅拌30分钟,过滤,收集滤液。 将残余固体加入300ml乙酸乙酯中,搅拌30分钟并过滤收集滤液。 合并滤液,分离有机层,用硫酸镁脱水,浓缩,用200ml甲醇重结晶,得到淡黄色固体环戊二烯并[2,1-b; 3,4-b']二吡啶-5- 一个13.3克(0.07摩尔,产率54%)。
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