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硒催化法合成2-吡啶脲的研究
Authors
薛燕
陆世维
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Abstract
采用硒催化的一氧化碳还原羰基化法,由硝基苯衍生物与2-氨基吡啶进行反应,得到的不是比例相当的三种脲类物质混合物,而主要得到非对称的吡啶脲,进一步发展了硒/一氧化碳催化体系对硝基化合物的还原羰基化法,可望用来合成一系列含取3代基的苯基吡啶基脲类物质;该合成方法工艺简单,操作易行,对发产物进行了红外光谱、核磁共振谱、高压液相色谱及元素分析等鉴定
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Last time updated on 07/01/2020