化学合成。
化学合成
合成路线 1(1. 合成:74733-27-0)
产率:96%
合成条件:With bromine In tetrachloromethane for 1.75 h; Heating / reflux; Irradiation
实验步骤:在1.5小时内向氯化2-甲氧基-4-甲基 - 苯甲酸甲酯(21.625g,120mmol)在CCl 4(240mL)中的回流混合物中滴加溴(6.19mL,120mmol)在CCl 4(75mL)中的溶液。。 在溴添加期间,用250W钨灯照射反应。 加完后,将反应物回流15分钟并浓缩,真空抽气,得到2-甲氧基-4-(溴甲基)苯甲酸甲酯,为油状物(29.864g,96%)。NMR(400MHz,CDCl3):5份2.40( s,3H),3.87(s,3H),3.91(s,3H),4.44(s,2H).FIA-MS,m / e:259(m + 1)。
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