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C3N4-Photocatalyzed aerobic oxidative cleavage of CC bonds in alkynes with diazonium salts leading to two different aldehydes or esters in one pot
Catalysis Science & Technology ( IF 4.4 ) Pub Date : 2020-10-22 , DOI: 10.1039/d0cy01773f Jingjing Wang 1, 2, 3, 4 , Bangqing Ni 1, 2, 3, 4 , Tengfei Niu 1, 2, 3, 4 , Fei Ji 4, 5, 6, 7
Catalysis Science & Technology ( IF 4.4 ) Pub Date : 2020-10-22 , DOI: 10.1039/d0cy01773f Jingjing Wang 1, 2, 3, 4 , Bangqing Ni 1, 2, 3, 4 , Tengfei Niu 1, 2, 3, 4 , Fei Ji 4, 5, 6, 7
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A novel photocatalyzed radical addition/oxygen oxidation/cleavage of dioxetane/HAT domino process for cleavage of C![[triple bond, length as m-dash]](https://www.rsc.org/images/entities/char_e002.gif)
C bonds has been described. This protocol used porous graphitic carbon nitrides (p-g-C3N4) as a metal-free recyclable photocatalyst for transformations of alkynes with diazonium salts to give two different aldehydes or esters, which enables the formation of multiple C–O bonds in a single reaction with operational simplicity. This reaction has an excellent substrate scope and gives the desired products in moderate to high yields. In addition, the heterogeneous semiconductor exhibits easy handling and excellent recyclability for at least 6 cycles without any apparent loss of activity. Furthermore, this reaction could be carried out under solar light irradiation and is applicable for the gram scale with satisfactory results.
中文翻译：
用重氮盐在炔烃中进行C3N4-光催化的需氧氧化裂解CC键的CC键，可在一锅中产生两种不同的醛或酯
已经描述了新颖的光催化自由基加成/氧氧化/二氧杂环丁烷的裂解/ HAT多米诺方法以裂解CC键。该协议使用多孔石墨碳氮化物（pgC 3 N 4）作为一种无金属的可循环使用的光催化剂，用于将炔烃与重氮盐转化为两种不同的醛或酯，从而可以在单个反应中形成多个C-O键，且操作简便。该反应具有优异的底物范围，并以中等至高产率提供所需产物。另外，该异质半导体在至少6个循环中表现出易于处理和优异的可回收性，而没有任何明显的活性损失。此外，该反应可以在太阳光照射下进行，并且适用于克级，结果令人满意。
更新日期：2020-11-09
C bonds has been described. This protocol used porous graphitic carbon nitrides (p-g-C3N4) as a metal-free recyclable photocatalyst for transformations of alkynes with diazonium salts to give two different aldehydes or esters, which enables the formation of multiple C–O bonds in a single reaction with operational simplicity. This reaction has an excellent substrate scope and gives the desired products in moderate to high yields. In addition, the heterogeneous semiconductor exhibits easy handling and excellent recyclability for at least 6 cycles without any apparent loss of activity. Furthermore, this reaction could be carried out under solar light irradiation and is applicable for the gram scale with satisfactory results.
中文翻译：
用重氮盐在炔烃中进行C3N4-光催化的需氧氧化裂解CC键的CC键，可在一锅中产生两种不同的醛或酯
已经描述了新颖的光催化自由基加成/氧氧化/二氧杂环丁烷的裂解/ HAT多米诺方法以裂解CC键。该协议使用多孔石墨碳氮化物（pgC 3 N 4）作为一种无金属的可循环使用的光催化剂，用于将炔烃与重氮盐转化为两种不同的醛或酯，从而可以在单个反应中形成多个C-O键，且操作简便。该反应具有优异的底物范围，并以中等至高产率提供所需产物。另外，该异质半导体在至少6个循环中表现出易于处理和优异的可回收性，而没有任何明显的活性损失。此外，该反应可以在太阳光照射下进行，并且适用于克级，结果令人满意。
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