Heterogeneous visible-light-induced Meerwein hydration reaction of alkenes in water using mpg-C3N4 as a recyclable photocatalyst
Heterogeneous visible-light-induced Meerwein hydration reaction of alkenes in water using mpg-C3N4 as a recyclable photocatalyst
复制标题
使用 mpg-C3N4 作为可回收光催化剂，非均相可见光诱导水中烯烃的 Meerwein 水合反应
DOI：
10.1039/c9gc03679b
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发表时间：
2020-01-21
期刊：
影响因子：
9.8
通讯作者：
Niu, Tengfei
中科院分区：
文献类型：
--
作者：
Wang, Jingjing;Xue, Linshuang;Niu, Tengfei
本发明公开了一种使用mpg-C 3 N 4作为可回收光催化剂在水介质中进行烯烃的绿色和有效的可见光诱导的Meerwein水合反应。该方案提供了一种通过自由基机制制备外消旋醇的直接方法。水既作为溶剂又作为试剂，没有任何添加剂或共溶剂。无金属异质半导体被发现是完全可回收的至少5次，而没有任何显着降低活性。Meerwein水合反应具有优异的底物范围，并以中等至高产率得到所需产物。此外，该反应可以在太阳光照射下进行，并适用于大规模反应，结果令人满意。
A green and efficient visible light induced Meerwein hydration reaction of alkenes in aqueous medium using mpg-C3N4 as a recyclabe photocatalyst has been disclosed. This protocol provides a direct approach for the preparation of racemic alcohols via a free radical mechanism. Water acted as both a solvent and a reagent without any additives or co-solvents. The metal-free heterogeneous semiconductor is found to be fully recyclable at least 5 times without any significant reduction in activity. The Meerwein hydration reaction has an excellent substrate scope and gave the desired products in moderate to high yields. Furthermore, this reaction could be carried out under solar light irradiation and is applicable for large-scale reactions with satisfactory results.