732型强酸性阳离子交换树脂催化合成水杨酸甲酯的研究

Study of synthesis of methyl salicylate cwtwlyized by 732 type ion exchange resin

以 732型强酸性阳离子交换树脂为催化剂 ,使水杨酸和甲醇进行酯化反应 ,合成水杨酸甲酯 对影响酯化反应的各种因素进行了讨论 ,确定最佳反应条件为 :甲醇 3mol,水杨酸 1mol,催化剂 3g ,反应温度 90℃ ,反应时间 6h ,产率可达 83.6% 表 3,参

The methyl salicylate was synthesized by esterifica ion of the salicylic acid over an ion exchange resin as catalyst.The main factors which affect esterification were discussed.The optional condition of reaction was determined:methy alcohol 3 mol,salicylic acid 1 mol,catalyst 3 g,at 90 ℃ and in 6 hours, yield can reach 83.6%.3tabs.,4refs.