Green synthesis of 14-aryl-14H-dibenzo[a,j]xanthene derivatives using sulfonic acid-supported magnetic covalent organic framework as a novel and reusable nanostructured catalyst

IF 2.8 3区化学 Q2 CHEMISTRY, MULTIDISCIPLINARY

Research on Chemical Intermediates Pub Date : 2024-07-26 DOI:10.1007/s11164-024-05351-0

Razieh Farsi, Seyyed Jafar Saghanezhad

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Abstract

In this paper, the design, synthesis and catalytic application of a magnetic covalent organic framework modified with sulfonic acid (Fe₃O₄@COF-SO₃H) in the synthesis of 14-aryl-14H-dibenzo[a,j]xanthene derivatives, were studied. The structure of the prepared catalyst was confirmed by various techniques including Fourier-transform infrared spectroscopy (FT-IR), energy-dispersive X-ray spectroscopy, thermo-gravimetric analysis, field emission scanning electron microscopy, vibrating-sample magnetometer and Brunauer–Emmett–Teller porosimetry. The structure of the prepared derivatives was also confirmed using FT-IR and nuclear magnetic resonance (¹HNMR and ¹³CNMR) spectroscopy. Facile synthesis, solvent-free conditions, high yield, short reaction time, eco-friendly procedure, and straightforward work-up are among the advantages of this research.

Graphical abstract

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使用磺酸支撑的磁性共价有机框架作为新型可重复使用的纳米结构催化剂，绿色合成 14-芳基-14H-二苯并[a,j]呫吨衍生物

本文研究了磺酸修饰的磁性共价有机框架（Fe3O4@COF-SO3H）在合成 14-芳基-14H-二苯并[a,j]呫吨衍生物中的设计、合成和催化应用。傅立叶变换红外光谱（FT-IR）、能量色散 X 射线光谱、热重分析、场发射扫描电子显微镜、振动样品磁力计和布鲁瑙尔-艾美特-泰勒孔隙比色法等多种技术证实了所制备催化剂的结构。傅立叶变换红外光谱和核磁共振（1HNMR 和 13CNMR）光谱也证实了所制备衍生物的结构。该研究具有合成简便、无溶剂、产率高、反应时间短、生态友好、操作简单等优点。

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来源期刊

Research on Chemical Intermediates 化学-化学综合

CiteScore

5.70

自引率

18.20%

发文量

229

审稿时长

2.6 months

期刊介绍： Research on Chemical Intermediates publishes current research articles and concise dynamic reviews on the properties, structures and reactivities of intermediate species in all the various domains of chemistry. The journal also contains articles in related disciplines such as spectroscopy, molecular biology and biochemistry, atmospheric and environmental sciences, catalysis, photochemistry and photophysics. In addition, special issues dedicated to specific topics in the field are regularly published.