A core-shell-satellite structured Fe3O4@MS-NH2@Pd nanocomposite: a magnetically recyclable multifunctional catalyst for one-pot multistep cascade reaction sequences

被引：51

作者：

Li, Ping ^{[1
]}

Yu, Yu ^{[1
]}

Liu, Hua ^{[1
]}

Cao, Chang-Yan ^{[1
]}

Song, Wei-Guo ^{[1
]}

机构：

[1] Chinese Acad Sci, Inst Chem, BNLMS, CAS Key Lab Mol Nanostruct & Nanotechnol, Beijing 100190, Peoples R China

来源：

NANOSCALE | 2014年 / 6卷 / 01期

基金：

中国国家自然科学基金;

关键词：

MESOPOROUS SILICA; BASIC SITES; NANOPARTICLES; MICROSPHERES; STABILITY; RESONANCE; ACID;

D O I：

10.1039/c3nr04427k

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

A hierarchical core-shell-satellite structured composite system Fe3O4@MS-NH2@Pd, which was composed of Pd nanoparticles well-dispersed on an amino group functionalized mesoporous silica (MS-NH2) nanosphere, and superparamagnetic Fe3O4 nanoparticles scattered inside the silica sphere, was prepared by using a facile procedure. The composite combined the catalytic properties of amino groups and Pd nanoparticles with superparamagnetic properties of magnetite into a single platform. This integrated nanosystem acted as an efficient magnetically recyclable noble metal-base multifunctional nanocatalyst and showed excellent catalytic activity, selectivity and stability for the direct synthesis of alpha-alkylated nitriles under mild conditions through facile one-pot multistep cascade reaction sequences.

引用

页码：442 / 448

页数：7

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