An environmentally friendly approach to the green synthesis of azo dyes with aryltriazenes via ionic liquid promoted C-N bonds formation

被引：25

作者：

Zhang, Yonghong ^{[1
,4
]}

Liu, Yonghong ^{[1
]}

Ma, Xiaoqian ^{[1
]}

Ma, Xia ^{[1
]}

Wang, Bin ^{[2
]}

Li, Hongguang ^{[3
]}

Huang, Yan ^{[1
]}

Liu, Chenjiang ^{[1
,2
,4
]}

机构：

[1] Xinjiang Univ, Coll Chem & Chem Engn, Minist Educ & Xinjiang Uygur Autonomous Reg, Key Lab Oil & Gas Fine Chem, Urumqi 830046, Peoples R China

[2] Xinjiang Univ, Phys & Chem Detecting Ctr, Urumqi 830046, Peoples R China

[3] Wuyi Univ, Int Healthcare Innovat Inst Jiangmen, Fac Chem & Environm Engn, Jiangmen 529020, Peoples R China

[4] Beijing Natl Lab Mol Sci, Beijing 100871, Peoples R China

来源：

DYES AND PIGMENTS | 2018年 / 158卷

关键词：

Azo dyes; Ionic liquids; Environmentally friendly; Aryltriazenes; CROSS-COUPLING REACTION; ARYL TRIAZENES; BORON-TRIFLUORIDE; ORGANIC-REACTIONS; SOLID ACID; CYCLIZATION; WATER; DIAZOTIZATION; 1-ARYL-3,3-DIALKYLTRIAZENES; PSEUDOCOARCTATE;

D O I：

10.1016/j.dyepig.2018.05.073

中图分类号：

O69 [应用化学];

学科分类号：

081704 ;

摘要：

An efficient and green approach for the synthesis of azo dyes has been developed via the Bronsted acidic ionic liquid (IL) promoted diazo coupling reaction of naphthols with aryltriazenes. The reaction was carried out with the aryltriazenes as diazotizing agents, the Bronsted acidic ionic liquids as the promoter, and water as the green solvent at room temperature under air and metal-free conditions. Notably, the attractive advantages of the process include mild conditions with excellent yields, simple product isolation process, large-scale experiment, late-stage modification of pharmaceutical and recyclability of the promoter. In addition, the UV-vis spectral characteristics of the azo-dyes were investigated in DMSO.

引用

页码：438 / 444

页数：7

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