A Visible-Light-Induced α-H Chlorination of Alkylarenes with Inorganic Chloride under NanoAg@AgCl

被引：21

作者：

Liu, Shouxin ^{[1
]}

Zhang, Qi ^{[1
]}

Li, Huiying ^{[1
]}

Yang, Yihua ^{[1
]}

Tian, Xia ^{[1
]}

Whiting, Andrew ^{[2
]}

机构：

[1] Hebei Univ Sci & Technol, Hebei Prov Key Lab Mol Chem Drugs, State Key Lab Breeding Base, Shijiazhuang 050018, Peoples R China

[2] Univ Durham, Sci Labs, Dept Chem, Ctr Sustainable Chem Proc, Durham DH1 3LE, England

来源：

CHEMISTRY-A EUROPEAN JOURNAL | 2015年 / 21卷 / 27期

基金：

中国国家自然科学基金;

关键词：

alkylarenes; NaCl/HCl; nano-Ag; chlorination; photocatalyst; HIGHLY EFFICIENT; GRAPHENE OXIDE; SILVER; PHOTOCATALYSTS; NANOCOMPOSITE; REDUCTION; ALCOHOLS; CATALYST; NITROGEN; OXYGEN;

D O I：

10.1002/chem.201501439

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

An efficient, photocatalytic chlorination of alkylarene alpha-H groups using NaCl/HCl as a chlorine source has been developed, which involves a radical mechanism under visible-light (including sunlight) conditions. A chlorine radical is proposed to be formed by an electron transfer from chloride ion to O-2 in air through the bandgap hole of the semiconductor AgCl. The chlorination protocol is characterized by its use of natural sunlight or other visible light, mild conditions, cheap source of chlorine, green solvent, and high selectivity. The yield of benzylchloride is 95% with a toluene conversion as high as 40 %, which rivals traditional chlorination methods.

引用

页码：9671 / 9675

页数：5

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