Application of recoverable nanosized palladium(0) catalyst in Sonogashira reaction

被引：117

作者：

Li, PH

Wang, L ^{[1
]}

Li, HJ

机构：

[1] Huaibei Coal Teachers Coll, Dept Chem, Huaibei 235000, Anhui, Peoples R China

[2] Chinese Acad Sci, Shanghai Inst Organ Chem, State Key Lab Organomet Chem, Shanghai 200032, Peoples R China

来源：

TETRAHEDRON | 2005年 / 61卷 / 36期

基金：

中国国家自然科学基金;

关键词：

nanoparticle palladium metal; Sonogashira reaction; ligand free; copper free; amine free;

D O I：

10.1016/j.tet.2005.07.013

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

In the absence of ligand, copper and amine, a recoverable nanoparticle palladium(0) catalyzed Sonogashira reaction of aryl iodides and bromides with terminal alkynes was developed. The protocol involved the use of an environmental-friendly reaction system with ethanol as the solvent, potassium carbonate as a base, and poly(vinylpyrrolidone) (PVP) supported nanosized palladium metal colloids as the catalyst. The palladium metal was recovered and recycled by a simple decantation of the reaction solution and used for eight consecutive trials without significant loss of its reactivity. (c) 2005 Elsevier Ltd. All rights reserved.

引用

收藏

页码：8633 / 8640

页数：8

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