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3-溴-5-叔丁基-2-羟基苯甲醛的合成研究
Authors
张星
惠建斌
Publication date
1 January 2012
Publisher
Abstract
以冰乙酸为溶剂,以5-叔丁基-2-羟基苯甲醛和溴素为原料,合成了3-溴-5-叔丁基-2-羟基苯甲醛。考察了溶剂、反应温度、物料比、反应时间等对3-溴-5-叔丁基-2-羟基苯甲醛收率的影响,合成的优化工艺条件为:n(5-叔丁基-2-羟基苯甲醛)∶n(溴素)=1∶1.1,反应温度60℃,反应时间10 h,在此工艺下,收率可达到88.2%,产品经MS、1H NMR确认
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Last time updated on 09/11/2016