In situ XAFS investigation of palladium species present during the Heck reaction in room temperature ionic liquids

被引：74

作者：

Hamill, NA

Hardacre, C ^{[1
]}

McMath, SEJ

机构：

[1] Queens Univ Belfast, QUILL Ctr, Belfast BT9 5AG, Antrim, North Ireland

[2] Queens Univ Belfast, Sch Chem, Belfast BT9 5AG, Antrim, North Ireland

来源：

GREEN CHEMISTRY | 2002年 / 4卷 / 02期

关键词：

D O I：

10.1039/b109844f

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

The Heck reaction, performed in room temperature ionic liquids, has been studied by in situ XAFS, which indicates that palladium clusters of 0.8-1.6 nm diameter are the main species present during reaction.

引用

页码：139 / 142

页数：4

共 24 条

[1] The heck reaction as a sharpening stone of palladium catalysis [J].

Beletskaya, IP ;

Cheprakov, AV .

CHEMICAL REVIEWS, 2000, 100 (08) :3009-3066

[2] First palladium-catalyzed Heck reactions with efficient colloidal catalyst systems [J].

Beller, M ;

Fischer, H ;

Kuhlein, K ;

Reisinger, CP ;

Herrmann, WA .

JOURNAL OF ORGANOMETALLIC CHEMISTRY, 1996, 520 (1-2) :257-259

[3] Palladium metal catalysts in Heck C-C coupling reactions [J].

Biffis, A ;

Zecca, M ;

Basato, M .

JOURNAL OF MOLECULAR CATALYSIS A-CHEMICAL, 2001, 173 (1-2) :249-274

[4]

BINSTEAD N, 1998, EXCURV98 CCLRC DARES

[5] Size determination of small Cu-clusters by EXAFS [J].

Borowski, M .

JOURNAL DE PHYSIQUE IV, 1997, 7 (C2) :259-260

[6] A method for studying the structure of low-temperature ionic liquids by XAFS [J].

Carmichael, AJ ;

Hardacre, C ;

Holbrey, JD ;

Nieuwenhuyzen, M ;

Seddon, KR .

ANALYTICAL CHEMISTRY, 1999, 71 (20) :4572-4574

[7] The Heck reaction in ionic liquids: A multiphasic catalyst system [J].

Carmichael, AJ ;

Earle, MJ ;

Holbrey, JD ;

McCormac, PB ;

Seddon, KR .

ORGANIC LETTERS, 1999, 1 (07) :997-1000

[8]

Crisp GT, 1998, CHEM SOC REV, V27, P427

[9] Ultrasound promoted C-C bond formation: Heck reaction at ambient conditions in room temperature ionic liquids [J].

Deshmukh, RR ;

Rajagopal, R ;

Srinivasan, KV .

CHEMICAL COMMUNICATIONS, 2001, (17) :1544-1545

[10] Ionic liquid crystals: hexafluorophosphate salts [J].

Gordon, CM ;

Holbrey, JD ;

Kennedy, AR ;

Seddon, KR .

JOURNAL OF MATERIALS CHEMISTRY, 1998, 8 (12) :2627-2636

← 1 2 3 →