Preparation and characterization of hexamethylenetetramine-functionalized magnetic nanoparticles and their application as novel catalyst for the synthesis of pyranopyrazole derivatives

被引：26

作者：

Ghorbani-Vaghei, Ramin ^{[1
]}

Izadkhah, Vida ^{[1
]}

机构：

[1] Bu Ali Sina Univ, Fac Chem, Hamadan 6517838683, Iran

来源：

APPLIED ORGANOMETALLIC CHEMISTRY | 2018年 / 32卷 / 02期

关键词：

green synthesis; hexamethylenetetramine; magnetic nanoparticles; pyranopyrazole; ONE-POT SYNTHESIS; SCHIFF-BASE COMPLEX; MULTICOMPONENT SYNTHESIS; HIGHLY EFFICIENT; GREEN SYNTHESIS; OXIDATION; METHYL; FE3O4; ACID;

D O I：

10.1002/aoc.4025

中图分类号：

O69 [应用化学];

学科分类号：

081704 ;

摘要：

A new magnetic catalyst was prepared through the reaction of silanol groups, on the surface of silica-coated Fe3O4 magnetic nanoparticles, with (3-chloropropyl)triethoxysilane followed by hexamethylenetetramine and chlorosulfonic acid. The obtained magnetic catalyst was characterized using thermogravimetric analysis, vibrating sample magnetometry, scanning electron microscopy and energy-dispersive X-ray analysis. Its catalytic activity was investigated in the synthesis of pyranopyrazole compounds, and the results were excellent regarding high yield of the products and short reaction time.

引用

页数：7

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