Ligandless palladium supported on SiO2-TiO2 as effective catalyst for Suzuki reaction

被引：26

作者：

Fan, Guozhi ^{[1
]}

Zou, Bing ^{[1
]}

Cheng, Siqing ^{[1
]}

Zheng, Lihui ^{[1
]}

机构：

[1] Wuhan Polytech Univ, Sch Chem & Environm Engn, Wuhan 430023, Peoples R China

来源：

JOURNAL OF INDUSTRIAL AND ENGINEERING CHEMISTRY | 2010年 / 16卷 / 02期

关键词：

Ligandless Pd; Suzuki reaction; Supported catalyst; SiO2-TiO2; CROSS-COUPLING REACTION; ROOM-TEMPERATURE; ARYL CHLORIDES; REUSABLE CATALYST; MIYAURA REACTIONS; HECK-TYPE; EFFICIENT; COMPLEX; SILICA; POLYMER;

D O I：

10.1016/j.jiec.2009.08.009

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

TiO2-SiO2 mixed oxides were prepared by the homogeneous precipitation method, and the supports were characterized by XRD, IR and BET. Ligandless palladium supported on SiO2-TiO2 was prepared by the deposition-precipitation method and used as recoverable catalyst for Suzuki reactions. The results revealed that the supported catalyst Pd/SiO2-TO2 exhibited excellent catalytic activity for the coupling of aryl bromides with arylboronic acid, and also exhibited moderate catalytic activity for the coupling of aryl chlorides. The catalyst was recycled by simple filtration and reused without further disposal, no significant Pd leaching and loss of catalytic activity was observed except the first reuse. (C) 2010 The Korean Society of Industrial and Engineering Chemistry. Published by Elsevier B.V. All rights reserved.

引用

页码：220 / 223

页数：4

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