Intramolecular Aromatic C-H Acyloxylation Enabled by Iron Photocatalysis

被引：82
|
作者：
Xia, Siqi [1 ,2 ,3 ]
Hu, Kunjun [3 ]
Lei, Chuanhu [1 ,2 ]
Jin, Jian [3 ]
机构：
[1] Shanghai Univ, Coll Sci, Ctr Supramol Chem & Catalysis, Shanghai 200444, Peoples R China
[2] Shanghai Univ, Coll Sci, Dept Chem, Shanghai 200444, Peoples R China
[3] Chinese Acad Sci, Univ Chinese Acad Sci, Shanghai Inst Organ Chem, CAS Key Lab Synthet Chem Nat Subst,Ctr Excellence, Shanghai 20032, Peoples R China
来源：
ORGANIC LETTERS | 2020年 / 22卷 / 04期
基金：
上海市自然科学基金;
关键词：
DEHYDROGENATIVE LACTONIZATION; PHOTOREDOX CATALYSIS; CARBOXYLIC-ACIDS; METAL-COMPLEXES; C(SP(2))-H; FUNCTIONALIZATION; DIBENZOPYRANONES; LACTONES; SYSTEM;
D O I：
10.1021/acs.orglett.0c00002
中图分类号：
O62 [有机化学];
学科分类号：
070303 ; 081704 ;
摘要：
A mild and efficient protocol for the intramolecular aromatic C-H oxygenation of 2-biphenylcarboxylic acids has been achieved via iron photocatalysis. The 2-biphenylcarboxylic acids with a diverse array of substituents at both phenyl rings could furnish the oxygenation products in good to excellent yields. We speculate that the aryl carboxylate-iron(III) complexes should generate the aroyloxy radicals and iron(II) upon visible light irradiation.
引用
收藏
页码：1385 / 1389
页数：5
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