Stabilizing Pd on the surface of hollow magnetic mesoporous spheres: a highly active and recyclable catalyst for hydrogenation and Suzuki coupling reactions

被引：86

作者：

Wang, Peng ^{[1
]}

Zhang, Fengwei ^{[1
]}

Long, Yu ^{[1
]}

Xie, Miao ^{[1
]}

Li, Rong ^{[1
]}

Ma, Jiantai ^{[1
]}

机构：

[1] Lanzhou Univ, Coll Chem & Chem Engn, Lanzhou 730000, Peoples R China

来源：

CATALYSIS SCIENCE & TECHNOLOGY | 2013年 / 3卷 / 06期

关键词：

REUSABLE HETEROGENEOUS CATALYST; PALLADIUM NANOPARTICLES; HYBRID MATERIAL; HECK REACTIONS; CARBON; NANOCOMPOSITES; EFFICIENT; SILICA; SUPPORT; WATER;

D O I：

10.1039/c3cy20865f

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：

We describe here a method to stabilize Pd(0) on the surface of hollow magnetic mesoporous spheres (HMMS), with Fe3O4 nanoparticles embedded in the mesoporous shell. The catalyst was characterized using TEM, XRD, VSM, BET and XPS. The catalyst afforded fast conversion for various aromatic nitro and unsaturated compounds in ethanol under an H-2 atmosphere even at room temperature. The catalyst showed an efficient hydrogenation of unsaturated compounds rather than nitro compounds. Furthermore it was found that the catalyst also exhibited a high activity in the Suzuki coupling reaction. The catalyst could be recovered in a facile manner from the reaction mixture and recycled six times without any loss in activity.

引用

页码：1618 / 1624

页数：7

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