Magnetic iron oxide/phenylsulfonic acid: A novel, efficient and recoverable nanocatalyst for green synthesis of tetrahydrobenzo[b] pyrans under ultrasonic conditions

被引：68
作者：
Elhamifar, Dawood [1 ]
Ramazani, Zahra [1 ]
Norouzi, Meysam [1 ]
Mirbagheri, Reza [1 ]
机构：
[1] Univ Yasuj, Dept Chem, Yasuj 7591874831, Iran
来源：
JOURNAL OF COLLOID AND INTERFACE SCIENCE | 2018年 / 511卷
基金：
美国国家科学基金会;
关键词：
Magnetic nanoparticles; Phenylsulfonic acid; Tetrahydrobenzo[b]pyrans; Ultrasonic conditions; Green synthesis; ONE-POT SYNTHESIS; PERIODIC MESOPOROUS ORGANOSILICA; IONIC-LIQUID FRAMEWORK; SULFONIC-ACID; N-ISOCYANIMINOTRIPHENYLPHOSPHORANE; TRANSFER HYDROGENATION; REUSABLE NANOCATALYST; FERRITE NANOPARTICLES; 4-COMPONENT SYNTHESIS; 3-COMPONENT REACTION;
D O I：
10.1016/j.jcis.2017.10.013
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：
A novel magnetic iron oxide supported phenylsulfonic acid (Fe3O4@Ph-SO3H) with core-shell structure is prepared, characterized and applied as efficient nanocatalyst for green synthesis of tetrahydrobenzo[b] pyrans. The Fe3O4@Ph-SO3H was prepared via modification of magnetic iron oxide cores with 1,4-bis (triethoxysilyl)benzene (BTEB) followed by sulfonation of aromatic rings. The Fe3O4@Ph-SO3H was characterized using FTIR, TGA, PXRD, SEM, TEM, VSM and EDX techniques. This was effectively applied for synthesis of tetrahydrobenzo[b]pyrans in water as green solvent at room temperature under ultrasonic conditions. The products were obtained in high to excellent yields at short times. The recoverability, reusability and durability of this nanocatalyst were studied under applied reaction conditions. (C) 2017 Elsevier Inc. All rights reserved.
引用
收藏
页码：392 / 401
页数：10
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