SOH负载的FeO@间苯二酚-甲醛树脂核壳结构的合成及其在绿色条件下对六氢喹啉衍生物合成的催化评价
synthesis of SOH supported FeO@resorcinol-formaldehyde resin core/shell and its catalytic evaluation towards the synthesis of hexahydroquinoline derivatives in green conditions.
作者信息
Barzkar Aliyeh, Beni Alireza Salimi
机构信息
Department of Chemistry, Faculty of Science, Yasouj University Yasouj 75918-74831 Iran
出版信息
RSC Adv. 2020 Nov 13;10(68):41703-41712. doi: 10.1039/d0ra06972h. eCollection 2020 Nov 11.
Abstract
A novel spherically shaped core@double-shell acidic nanocatalyst (FeO@SiO@RF-SOH) [RF: resorcinol-formaldehyde resin] was prepared and completely characterized using X-ray diffraction, Fourier transform infrared spectroscopy, vibrating sample magnetometry, energy dispersive X-ray spectroscopy, thermogravimetric analysis, transmission electron microscopy and field-emission scanning electron microscopy. The concentration of H loaded on the FeO@SiO@RF was reported to be 1.3 mmol g. The well-defined FeO@SiO@RF-SOH core-shell heterostructures exhibited high stability, efficient recyclability (10 cycles), and promoted catalytic activity for one-pot condensation reaction between the aromatic aldehydes, dimedone, malononitrile, and ammonium acetate for the synthesis of hexahydroquinoline derivatives.
摘要
制备了一种新型球形核@双壳酸性纳米催化剂（FeO@SiO@RF-SOH）[RF：间苯二酚-甲醛树脂]，并使用X射线衍射、傅里叶变换红外光谱、振动样品磁强计、能量色散X射线光谱、热重分析、透射电子显微镜和场发射扫描电子显微镜对其进行了全面表征。据报道，负载在FeO@SiO@RF上的H浓度为1.3 mmol g。明确的FeO@SiO@RF-SOH核壳异质结构表现出高稳定性、高效可回收性（10次循环），并促进了芳香醛、二甲基酮、丙二腈和醋酸铵之间一锅法缩合反应合成六氢喹啉衍生物的催化活性。
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