CAS: 614756-39-7; 4,4'-(1E)-1,2-Ethenediylbis[benzenethiol]

相似化合物

103-30-0 18869-29-9 6292-62-2

📜在 甲醇,Potassium Hydroxide体系中,用 四氢呋喃 作为反应溶剂,化学反应生成 4,4'-二巯基二苯乙烯
参考文献:非凡的自由基清除剂:4-巯基苯甲酸酯
标题:非凡的自由基清除剂:4-巯基苯甲酸酯
摘要:在过去的十年中,与天然白藜芦醇白藜芦醇相比,开发出更多的活性抗氧化剂和癌症化学预防剂引起了极大的兴趣和兴奋.在这项工作中,基于以下启发而构建了八种白藜芦醇导向的4-巯基对苯二甲酸酯:硫酚应是比酚更强的自由基清除剂,并且它们与galvinoxyl(go .)和2,2-Diphenyl-1-Picrylhydrazyl(dpph)的反应速率.)甲醇和乙酸乙酯中的自由基是通过在25oc下使用停止流uv / Vis光谱法测量的.动力学分析表明,4-巯基对苯二酚是非凡的自由基清除剂,用四苯乙烯基支架中的4-Sh基团取代4-Oh基团是提高白藜芦醇自由基清除活性的重要策略.令人惊讶的是,在甲醇中,一些4-巯基对苯二酚的活性是白藜芦醇的10 4倍,比已知的抗氧化剂(α-生育酚,抗坏血酸,槲皮素和trolox)的活性高数十倍至数百倍.基于酸化动力学分析讨论了详细的自由基清除机理.添加乙酸显着降低了go .和dpph
DOI:10.1002/chem.201103897

专利信息

专利号:WO-2023113033-A1
优先权日:2021-12-16
标题 :Gas diffusion electrode
发明人：KONDO SHOICHI; MAEDA SHINICHI; SHIGA NORIHITO
权利人:NISSAN CHEMICAL CORP
摘要:[Problem] The present invention addresses the problem of increasing the rate of reaction by controlling ammonium ions, which are generated by ammonia as the objective of the electrolytic synthesis of ammonia and protons that are supplied to the cathode, by means of the cathode and the cathode catalyst layer. [Solution] The present invention provides a gas diffusion electrode which is integrated with a catalyst layer that uses a material selected from the group consisting of cathode catalyst layer materials. Examples of the cathode catalyst layer materials include a fired body and an ionic liquid.