Aerobic Oxidation of Benzylic sp3 C-H Bonds through Cooperative Visible-Light Photoredox Catalysis of N-Hydroxyimide and Dicyanopyrazine

被引：46
|
作者：
Liu, Xinfei [1 ]
Lin, Lu [1 ]
Ye, Xinyi [2 ]
Tan, Choon-Hong [2 ]
Jiang, Zhiyong [1 ]
机构：
[1] Henan Univ, Key Lab Nat Med & Immunoengn Henan Prov, Jinming Campus, Kaifeng 475004, Henan, Peoples R China
[2] Nanyang Technol Univ, Div Chem & Biol Chem, 21 Nanyang Link, Singapore 637371, Singapore
来源：
ASIAN JOURNAL OF ORGANIC CHEMISTRY | 2017年 / 6卷 / 04期
关键词：
cooperative catalysis; carbonyls; n-hydroxyimides; photo-oxygenation; visible-light photocatalysis; PHOTOCATALYTIC OXYGENATION; SELECTIVE OXIDATION; ELECTRON-TRANSFER; SOLVENT-FREE; HYDROCARBONS; FUNCTIONALIZATION; PHOTOOXYGENATION; PHOTOOXIDATION; ACTIVATION; ALCOHOLS;
D O I：
10.1002/ajoc.201600426
中图分类号：
O62 [有机化学];
学科分类号：
070303 ; 081704 ;
摘要：
A visible-light-driven cooperative catalysis between dicyanopyrazine-derived chromophore (DPZ) and N-hydroxyimide has been developed. Under irradiation with a low-energy and operationally convenient visible light, the cooperative catalytic system could facilitate the aerobic oxygenation of a series of benzylic sp(3) C-H bonds through a photoredox pathway. The method provides a novel approach to access valuable carbonyls from benzylic methylenes and benzylic alcohols in moderate to excellent yields (up to 93%).
引用
收藏
页码：422 / 425
页数：4
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