Fe3O4 nanoparticle supported Ni(II) complexes: A magnetically recoverable catalyst for Biginelli reaction

被引：36
|
作者：
Girija, D. [1 ]
Naik, H. S. Bhojya [1 ]
Kumar, B. Vinay [2 ]
Sudhamani, C. N. [1 ]
Harish, K. N. [1 ]
机构：
[1] Kuvempu Univ, Sch Chem Sci, Dept Studies & Res Ind Chem, Shankaraghatta 577451, India
[2] RN Shetty Inst Technol, Dept Chem, Uttarahalli Kengeri Main Rd, Channasandra 560098, Bengaluru, India
来源：
ARABIAN JOURNAL OF CHEMISTRY | 2019年 / 12卷 / 03期
关键词：
Fe3O4-bpy-Ni(II) complex; Nano catalyst; Biginelli condensation; ONE-POT SYNTHESIS; CONDENSATION REACTION; TRANSITION-METALS; REUSABLE CATALYST; IMPROVED PROTOCOL; DIHYDROPYRIMIDINONES; 1,10-PHENANTHROLINE; CHLORIDE; FACILE;
D O I：
10.1016/j.arabjc.2014.08.008
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
A novel magnetically recoverable functionalized magnetic(Fe3O4) nanoparticle supported-nickel(II) complex with a high surface area has been synthesized by chemical conjugation of magnetite nanoparticles with highly reactive silanols on the surface of magnetic Fe3O4 to improve the affinity of Fe3O4 nanoparticles for the target species. Functionalized Ni(II) complex containing surface of pyridine, methoxysilanyl and amino groups. Studies revealed that Fe3O4@[Ni(bpy)(2)(py-tmos)] is a new and highly efficient green catalyst for the synthesis of a diverse range of 3,4-dihydropyrimidin-2(1H)-ones under solvent free conditions, and in addition Fe3O4@[Ni(bpy)(2)(py-tmos)] could be easily recovered by a simple magnetic separation and recycled at least 5 times without deterioration in catalytic activity. (C) 2014 King Saud University. Production and hosting by Elsevier B.V. All rights reserved.
引用
收藏
页码：420 / 428
页数：9
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