An in situ generated CuI/metformin complex as a novel and efficient catalyst for C-N and C-O cross-coupling reactions

被引：40

作者：

Ghorbani-Vaghei, Ramin ^{[1
]}

Hemmati, Saba ^{[1
]}

Veisi, Hojat ^{[2
]}

机构：

[1] Bu Ali Sina Univ, Dept Organ Chem, Fac Chem, Hamadan, Iran

[2] PNU, Dept Chem, Tehran 193954697, Iran

来源：

TETRAHEDRON LETTERS | 2013年 / 54卷 / 52期

关键词：

CuI; Ullmann condensation; Biguanide; Catalysis; Coupling reactions; ARYL HALIDES; HIGHLY EFFICIENT; COPPER; ARYLATION; IMIDAZOLES; PHENOLS; MILD; INHIBITORS; BROMIDES; LIGAND;

D O I：

10.1016/j.tetlet.2013.10.039

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

An in situ generated complex of copper(I) and a biguanide, namely metformin, was found to be a highly efficient homogeneous catalyst in N/O-arylation reactions. The O-arylation of substituted phenols with various aryl iodides and bromides was also achieved using this copper catalyst to afford diaryl ethers in good to excellent yields in DMF. This heterogeneous copper catalyst also promotes the N-arylation of imidazole with a variety of aryl halides (Cl, Br, I) in acetonitrile. Crown Copyright (C) 2013 Published by Elsevier Ltd. All rights reserved.

引用

页码：7095 / 7099

页数：5

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