化学合成。
化学合成
合成路线 1(1. 合成:39622-80-5)
产率:99.7%
合成条件:Stage #1: for 6 h; Reflux Stage #2: at 0 - 20℃; for 2.50 h;
实验步骤:2),将2-溴-1,3-邻苯二甲酸(2)(17.9g,73.1mmol)溶于亚硫酰氯(100mL)中并加热至回流.6小时后,在真空下旋转干燥。甲醇的混合溶液(80 在0℃下向残余物中滴加mL)和三乙胺(40mL),滴加0.5h。在室温下搅拌2小时后,在真空下浓缩。将残余物溶于乙酸乙酯中,用0.5M盐酸水溶液 洗涤后,用饱和碳酸氢钠溶液洗涤,有机相用无水硫酸钠干燥,真空干燥,得到2-溴-1,3-邻苯二甲酸二甲酯,为黄色油状物(3)(19.9g,99.7%)。
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