3,5—二卤代—4—羟基苯甲腈的合成
Study on Synthesis of 3,5 Dihalogeno 4 hydroxybenzonitrile
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摘要: 对羟基苯甲酸在溶剂中与尿素反应生成对羟基苯甲腈,产物车溴素和氯酸钠、碘和氯气和反应制得相应的3,5-二卤代-4-羟基苯甲腈。Abstract: p Hydroxybenzonitrile was obtained by the reaction of p hydroxybenzoic acid with urea in solvent, then reacted with bromine and sodium chlorate, iodine and chlorine respectively to form the corresponding 3,5 dibromo 4 hydroxybenzonitrile and 3,5 diiodo 4 hydroxybenzonitrile.