Iodination of stable aromatic diazonium salt using crosslinked poly (4-vinylpyridine)-supported iodide

被引：14

作者：

Zarchi, Mohammad Ali Karimi ^{[1
]}

Ebrahimi, Nahid ^{[1
]}

机构：

[1] Yazd Univ, Dept Chem, Coll Sci, Yazd, Iran

来源：

JOURNAL OF APPLIED POLYMER SCIENCE | 2012年 / 124卷 / 04期

关键词：

diazotization; aryl iodide; aryl amine; diazonium salt; polymer supported iodide; POLYMERIC REAGENT; COUPLING REACTION; ALKYL-HALIDES; ARYL AMINES; MILD; EFFICIENT; VERSATILE; DIAZOTIZATION; TRANSITION; CATALYST;

D O I：

10.1002/app.35297

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

An efficient and simple method for the iodination of stable arenediazonium salts has been developed by using a polymer-supported iodide. The arenediazonium chlorides, Ar-N2+Cl-, were obtained by the reaction between primary aryl amine and sodium nitrite in the presence of concentrated hydrochloric acid (HCl) at low temperature (05 degrees C). By ion exchange reaction between Ar-N2+Cl- with NaBF4, the stable arenediazonium tetrafluoroborates, Ar-N2+BF?4-, were prepared. Ar-N2+BF4-, were then converted to aryl iodides by crosslinked poly (4-vinylpyridine)-supported iodide, [P4-VP]I, in acetonitrile at room temperature. The spent polymeric reagent was regenerated and reused for several times without losing its activity. (C) 2011 Wiley Periodicals, Inc. J Appl Polym Sci, 2012

引用

页码：2807 / 2813

页数：7

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