The preparation, characterization and catalytic activity of Ni NPs supported on porous alginate-g-poly(p-styrene sulfonamide-co-acrylamide)

被引：23

作者：

Alavinia, Sedigheh ^{[1
]}

Ghorbani-Vaghei, Ramin ^{[1
]}

机构：

[1] Bu Ali Sina Univ, Dept Chem, Hamadan 65174, Hamadan, Iran

来源：

RSC ADVANCES | 2021年 / 11卷 / 47期

基金：

美国国家科学基金会;

关键词：

SODIUM ALGINATE; THERMAL-STABILITY; GREEN CATALYST; COORDINATION; 1,3,4-OXADIAZOLES; NANOPARTICLES; HYDROGELS; POLYMERS; LIGANDS;

D O I：

10.1039/d1ra04022g

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Herein, we report the synthesis of nickel nanoparticles under mild conditions using porous alginate-g-poly(p-styrene sulfonamide-co-acrylamide) as a protecting/stabilizing agent and sodium borohydride as a reducing agent. The porous cross-linked polymeric support was prepared via combining the use of sol-gel, nanocasting, and crosslinking techniques, in which the p-styrene sulfonamide monomer (PSSA) and N,N '-methylene-bis (acrylamide) (MBA) cross-linker underwent copolymerization on the surface of sodium alginate in the presence of a SiO2 nanoparticle (NP) template (Alg-PSSA-co-ACA). The prepared catalyst (Alg-PSSA-co-ACA@Ni) showed high catalytic activity for the one-step synthesis of 1,3,4-oxadiazoles from the reaction of hydrazides and aryl iodides through isocyanide insertion/cyclization.

引用

页码：29728 / 29740

页数：13

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