Macroporous polystyrene-supported palladium catalyst containing a bulky N-heterocyclic carbene ligand for Suzuki reaction of aryl chlorides

被引：130

作者：

Lee, Dong-Ho ^{[1
]}

Kim, Jong-Ho ^{[1
]}

Jun, Bong-Hyun ^{[1
]}

Kang, Homan ^{[2
]}

Park, Juyoung ^{[1
]}

Lee, Yoon-Sik ^{[1
,2
]}

机构：

[1] Seoul Natl Univ, Sch Chem & Biol Engn, Seoul 151744, South Korea

[2] Seoul Natl Univ, Interdisciplinary Program Nanosci & Technol, Seoul 151744, South Korea

来源：

ORGANIC LETTERS | 2008年 / 10卷 / 08期

关键词：

D O I：

10.1021/ol8003047

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

Macroporous polystyrene (MPS)-supported 1-mesitylimidazolium chloride resin was prepared by reacting macroporous chloromethyl polystyrene with 1-mesitylimidazole as a supported N-heterocyclic carbene (NHC) precursor for the immobilization of a palladium catalyst. This MPS-supported NHC precursor readily formed a stable complex with Pd(OAc)(2), which effectively catalyzed the Suzuki reaction of aryl iodide and bromides at room temperature and even aryl chlorides at elevated temperatures (100 degrees C). This catalyst showed reusability in the Suzuki reaction of aryl bromide.

引用

页码：1609 / 1612

页数：4

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