化学合成。
化学合成
合成路线 1(1. 合成:190723-12-7)
产率:85.6%
合成条件:at 20℃; for 12 h;
实验步骤:将3,4-二羧酸噻吩(5g,29.04mmol)和40mL冰醋酸依次加入到100mL单口瓶中。在室温下加入液体溴(8.9mL,174.24mol)至 25mL恒压滴液漏斗。慢慢滴入反应烧瓶中并反应12小时。 反应结束后,将反应溶液倒入500mL饱和硫酸氢钠溶液中并搅拌直至沉淀出米色固体。在减压下过滤并干燥,得到米色固体(8.2g,85.6%)。
参考文献:
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