Ligand-free Stille cross-coupling reaction using Pd/CaCO3 as catalyst reservoir

被引：36

作者：

Coelho, Aline V. ^{[1
]}

de Souza, Andrea Luzia F. ^{[1
]}

de Lima, Paulo G. ^{[1
]}

Wardell, James L. ^{[1
]}

Antunes, O. A. C. ^{[1
]}

机构：

[1] Univ Fed Rio de Janeiro, Inst Quim, BR-21941909 Rio De Janeiro, Brazil

来源：

TETRAHEDRON LETTERS | 2007年 / 48卷 / 43期

关键词：

D O I：

10.1016/j.tetlet.2007.08.091

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

Stille reactions between halobenzenes and other substituted (hetero)arenes and tributylphenyltin were carried out in ethanol-water solution using Pd/CaCO3 as catalyst in a ligand-free system. The catalyst could be recycled three times without any loss of activity. The ethanol-water solution, after removal of the catalyst and extraction of the product, was found to have catalytic activity, thus showing the presence of soluble Pd(0)/Pd(II) species that can be regarded as the true catalysts. (C) 2007 Published by Elsevier Ltd.

引用

页码：7671 / 7674

页数：4

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