Palladium nanoparticles supported on silicadiphenyl phosphinite (SDPP) as efficient catalyst for Mizoroki-Heck and Suzuki-Miyaura coupling reactions

被引:61
|
作者
Iranpoor, Nasser [1 ]
Firouzabadi, Habib [1 ]
Motevalli, Somayeh [1 ]
Talebi, Mohsen [1 ]
机构
[1] Shiraz Univ, Dept Chem, Coll Sci, Shiraz 71454, Iran
关键词
Palladium nanoparticle; Silicadiphenyl phosphinite; Suzuki-Miyaura reaction; Mizoroki-Heck reaction; Heterogeneous catalyst; TETRAALKYLAMMONIUM SALTS; ARYL HALIDES; SOLVENT-FREE; SILICA; COMPLEXES; LIGANDS; WATER; CLAY; PD/C;
D O I
10.1016/j.jorganchem.2012.03.006
中图分类号
O61 [无机化学];
学科分类号
070301 ; 081704 ;
摘要
A very easy method is described for direct phosphorylation of silica gel to afford silica diphenylphosphinite (SDPP). This new phosphorylated silica contains higher amounts of P(III) moiety compared to the method based on the sol-gel technique. The phosphorylated silica reacts with Pd(II) to produce nano Pd(0)/SDPP which was characterized by different techniques. The obtained nano Pd(0) catalyst exhibited excellent reactivity and stability in the Mizoroki-Heck and Suzuki-Miyaura cross-coupling reactions with different aryl iodides and bromides. This heterogeneous catalyst can be easily recovered and reused in several runs. (C) 2012 Elsevier B.V. All rights reserved.
引用
收藏
页码:118 / 124
页数:7
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