Recyclable Cu/g-C 3 N 4 nanometric semiconductor catalyzed N -formylation of amines via photocatalytic aerobic oxidative C -C bond cleavage of aldehydes under visible-light irradiation

被引：14

作者：

Liang, Zeyao ^{[1
]}

Guo, Jiabao ^{[1
]}

Wang, Peng ^{[1
]}

Zhu, Li ^{[2
]}

Yao, Xiaoquan ^{[1
]}

机构：

[1] Nanjing Univ Aeronaut & Astronaut, Sch Mat Sci & Technol, Dept Appl Chem, Nanjing 210016, Peoples R China

[2] Nanjing Med Univ, Sch Pharm, Dept Chem, Nanjing 211166, Peoples R China

来源：

CHINESE CHEMICAL LETTERS | 2023年 / 34卷 / 06期

关键词：

Photocatalytic C-C bond cleavage; N-Formylation of amines; Cu; g-C; 3; N; 4; Nanometric semiconductor; Visible-light; ACTIVATION; CONVERSION; ALCOHOLS;

D O I：

10.1016/j.cclet.2022.108001

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Due to its difficulty and complexity, the cleavage and subsequent functionalization of the C(sp3)-C(sp3) single bond has received less attention than the C -C bond formation reactions that have been extensively studied. Herein, by utilizing Cu/g-C3N4 nanometric semiconductor as a recyclable photocatalyst, an aero-bic oxidative C -C bond cleavage of aldehydes was developed with the promotion of amines under visible light irradiation. Based on the reaction, phenylacetaldehyde was selected as a highly efficient formylation reagent for amines. Under blue light irradiation, good to excellent yields of formamides were achieved for various amines in 1 atm oxygen atmosphere at room temperature. This methodology offers a practical, neutral and gentle alternative to the preparation of formamides.(c) 2023 Published by Elsevier B.V. on behalf of Chinese Chemical Society and Institute of Materia Medica, Chinese Academy of Medical Sciences.

引用

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