Palladium supported on phosphinite functionalized Fe3O4 nanoparticles as a new magnetically separable catalyst for Suzuki-Miyaura coupling reactions in aqueous media

被引：32

作者：

Gholinejad, Mohammad ^{[1
]}

Razeghi, Mehran ^{[1
]}

Ghaderi, Arash ^{[2
]}

Biji, Pullithadathil ^{[3
]}

机构：

[1] Inst Adv Studies Basic Sci, Dept Chem, POB 45195-1159, Gavazang 451376731, Zanjan, Iran

[2] Hormozgan Univ, Dept Chem, Coll Sci, Bandar Abbas 71961, Iran

[3] PSG Inst Adv Studies, Nanotech Res Innovat & Incubat Ctr, Coimbatore 641004, Tamil Nadu, India

来源：

CATALYSIS SCIENCE & TECHNOLOGY | 2016年 / 6卷 / 09期

基金：

美国国家科学基金会;

关键词：

IMIDAZOLIUM IONIC LIQUID; C BOND FORMATION; RECYCLABLE CATALYST; REUSABLE CATALYST; RECOVERABLE CATALYST; HIGHLY EFFICIENT; NONCONVENTIONAL METHODOLOGIES; SONOGASHIRA REACTION; MESOPOROUS CARBON; GRAPHENE OXIDE;

D O I：

10.1039/c5cy00821b

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Novel phosphinite functionalized magnetic (Fe3O4) nanoparticles having silica nanoshells containing an imidazolium ionic liquid moiety have been successfully synthesized and used as a support and stabilizer for palladium nanoparticles. The obtained compound was characterized by SEM, TEM, EDX, solid UV, VSM, XRD, XPS, FT-IR, and N-2 adsorption-desorption analyses. This magnetic composite has been applied as the catalyst in the Suzuki-Miyaura coupling reaction of aryl halides (I, Br, Cl) with arylboronic acids in aqueous media under mild reaction conditions and low palladium loading. The air stable catalyst could be easily separated from the reaction mixture using an external magnet and reused eight consecutive times with small drops in its catalytic activity.

引用

页码：3117 / 3127

页数：11

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