Synthesis and characterization of mesoporous poly(N-vinyl-2-pyrrolidone) containing palladium nanoparticles as a novel heterogeneous organocatalyst for Heck reaction

被引：14

作者：

Kalbasi, Roozbeh Javad ^{[1
]}

Negandari, Meysam ^{[1
]}

机构：

[1] Islamic Azad Univ, Dept Chem, Shahreza Branch, Shahreza 31186145, Isfahan, Iran

来源：

JOURNAL OF MOLECULAR STRUCTURE | 2014年 / 1063卷

关键词：

Mesoporous polymer; Poly(N-vinyl-2-pyrrolidone); Pd-nanoparticles; Heck reaction; BLOCK-COPOLYMERS; NANOPOROUS POLYMERS; CATALYTIC-ACTIVITY; CARBON FRAMEWORKS; IONIC LIQUID; SILICA; EFFICIENT; LIGAND; BASE; NANOCOMPOSITE;

D O I：

10.1016/j.molstruc.2014.01.071

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：

Mesoporous poly(N-vinyl-2-pyrrolidone) (MPVP) was prepared through a nanocasting technique based on mesoporous silica KIT-6 as sacrificial templates, and served as an efficient scaffold for supporting Pd nanoparticles. The physical and chemical properties of Pd-MPVP were characterized using FT-IR, XRD, BET, DRS UV-Vis, SEM, TEM and TGA techniques. The application of this novel purely organic heterogeneous catalyst, which combine the advantage of organic polymers and mesoporous materials, was investigated for C C bond formation through the Heck coupling reaction of aryl iodides, bromides and chlorides with styrene. It was observed that the activity of this catalyst decreased just 5% after nine regeneration processes were performed. This unique result opens new perspectives for application of purely organic mesoporous polymers as structurally defined hydrophobic catalyst in catalytic reactions. (C) 2014 Elsevier B.V. All rights reserved.

引用

页码：259 / 268

页数：10

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