Greener Ullmann-Type Coupling of Aryl Halides for Preparing Biaryls Using Reusable Pd/ZrO2 Catalyst

被引：5

作者：

Dumbre, Deepa K. ^{[1
]}

Wakharkar, Radhika D. ^{[2
]}

Choudhary, Vasant R. ^{[1
]}

机构：

[1] Natl Chem Lab, Chem Engn & Proc Dev Div, Pune 411008, Maharashtra, India

[2] Natl Chem Lab, Div Organ Chem, Pune 411008, Maharashtra, India

来源：

SYNTHETIC COMMUNICATIONS | 2011年 / 41卷 / 02期

关键词：

Aryl halides; biaryls; Pd; ZrO2; Ullmann coupling reaction; CARBON-DIOXIDE;

D O I：

10.1080/00397910903531805

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

Biaryls with excellent yields can be prepared by the Ullmann-type coupling of aryl halides in the presence of potassium carbonate (as a base) and dimethylformamide (as a solvent), at 140 degrees C, using a reusable Pd (2.5wt%)/ZrO2 catalyst. The product yield of 4-iodoanisole coupling is strongly influenced by the catalyst preparation method, solvent, and base.

引用

页码：164 / 169

页数：6

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