化学合成。
化学合成
合成路线 1(1. 合成:17178-10-8)
产率:95%
合成条件:With tetrabutylammomium bromide; sodium hydroxide In dichloromethane at 20℃; for 24 h;
实验步骤:搅拌2-甲氧基乙醇(7.36mL,0.10mol)和催化量的TBAB(四正丁基溴化铵)在二氯甲烷中的溶液,随后加入NaOH(水溶液,30%,15mL)。 逐滴加入对甲苯磺酰氯的二氯甲烷溶液。 将混合物在室温下搅拌24小时,然后用蒸馏水洗涤三次。 将产物用Na 2 SO 4干燥,减压除去溶剂,得到黄色油状物。 产量95%。 IR(KBr,cm 1)选择的带:3468(m),2938(s),2889(s),1597(m),1455(m),1357(s),1184(s),1130(m), 1101(m),1018(m),919(m),821(m)。 1H-NMR(400MHz,CD3COCD3):3.20(s,3H),3.48(t,J = 4.6Hz,2H),4.08(t,J = 4.6Hz,2H),7.71(d,J = 8.4Hz, 2H),7.28(d,J = 8.4Hz,2H),2.36(s,3H)。。计算器。 C10H14SO4的分析计算值:C,52.16; H,6.13。 实测值:C,52.09; H,6.17。
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