卤化铵催化氧化磺酰亚胺为哑嗪的方法研究
发布时间:2018-10-23 19:36
【摘要】:首次系统地研究了卤化铵催化的间氯过氧苯甲酸氧化磺酰亚胺为哑嗪的方法.四乙基卤化铵(包括四乙基碘化铵及四乙基氯化铵)和四甲基卤化铵(包括四甲基碘化铵、四甲基溴化铵、四甲基氯化铵)被首次应用于催化氧化一系列磺酰亚胺为相应的哑嗪,可获得很高的产率.研究结果表明铵盐上氮原子的取代基对反应产率的影响是关键的,而卤素离子的影响较小.为哑嗪的合成提供了一种高产率、简便的方法.
[Abstract]:For the first time, the oxidation of sulfoimide with m-chloro-peroxy benzoic acid catalyzed by ammonium halide to dumazine was studied systematically for the first time. Tetraethyl ammonium halide (including tetraethyl ammonium iodide and tetraethyl ammonium chloride) and tetramethyl ammonium halide (including tetramethyl ammonium iodide, tetramethyl ammonium bromide, Tetramethylammonium chloride was first used to catalyze the oxidation of a series of sulfonimides to corresponding diazines, and a high yield was obtained. The results show that the effect of the substituents of nitrogen atoms on the yield of ammonium salts is crucial, but the effect of halogen ions is small. It provides a simple and convenient method for the synthesis of pyrazine.
【作者单位】: 遵义医学院药学院;
【基金】:国家自然科学基金(No.21462056) 贵州省联合基金(No.[2014]7542) 贵州省科技创新团队(No.[2014]4002) 贵州省大学生创新计划(No.201413653013) 遵义医学院(No.F-627)资助项目~~
【分类号】:O621.3
本文编号:2290268
[Abstract]:For the first time, the oxidation of sulfoimide with m-chloro-peroxy benzoic acid catalyzed by ammonium halide to dumazine was studied systematically for the first time. Tetraethyl ammonium halide (including tetraethyl ammonium iodide and tetraethyl ammonium chloride) and tetramethyl ammonium halide (including tetramethyl ammonium iodide, tetramethyl ammonium bromide, Tetramethylammonium chloride was first used to catalyze the oxidation of a series of sulfonimides to corresponding diazines, and a high yield was obtained. The results show that the effect of the substituents of nitrogen atoms on the yield of ammonium salts is crucial, but the effect of halogen ions is small. It provides a simple and convenient method for the synthesis of pyrazine.
【作者单位】: 遵义医学院药学院;
【基金】:国家自然科学基金(No.21462056) 贵州省联合基金(No.[2014]7542) 贵州省科技创新团队(No.[2014]4002) 贵州省大学生创新计划(No.201413653013) 遵义医学院(No.F-627)资助项目~~
【分类号】:O621.3
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