Ionic liquid-grafting of pineapple peel-derived graphene oxide on Cu substrate for catalytic synthesis of thiazolo[3,2-a][1,3,5]triazin-6(7H)-one derivatives

IF 4.7 3区材料科学 Q2 MATERIALS SCIENCE, MULTIDISCIPLINARY

Materials Chemistry and Physics Pub Date : 2025-09-30 DOI:10.1016/j.matchemphys.2025.131622

Thanh-Thang Le Nguyen , Tuan-Anh Ngoc Tran , Phuong Hoang Tran , Tan Le Hoang Doan , Hai Truong Nguyen

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Abstract

In this study, a novel eco-friendly catalyst, GO/HNO₃/Cu/IL, was developed from graphene oxide derived from pineapple (Ananas comosus) peel, functionalized with copper and ionic liquid. The synthesis involved pyrolysis, Hummers’ oxidation, nitric acid treatment, Cu²⁺ doping, and IL grafting, and the material was fully characterized (FT-IR spectroscopy, Raman spectroscopy, XRD analysis, ICP-MS analysis, scanning electron microscopy (SEM), energy-dispersive X-ray spectroscopy (EDX), and thermogravimetric analysis (TGA)). This GO/HNO₃/Cu/IL (5 mg) was applied for the one-pot, three-component Mannich reaction of arylaldehyde, thioglycolic acid, and dicyandiamide to afford thiazolo[3,2-a][1,3,5]triazin-6(7H)-one derivatives under water at 100 °C for 3 h gave the good yield (up to 51 %), and the material exhibited excellent recyclability with potential for large-scale synthesis.

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菠萝皮衍生的氧化石墨烯在Cu基体上的离子液体接枝催化合成噻唑[3,2-a][1,3,5]三嗪-6(7H)- 1衍生物

本研究以菠萝果皮为原料，以铜和离子液体为功能化剂，制备了一种新型环保催化剂GO/HNO3/Cu/IL。合成过程包括热解、Hummers氧化、硝酸处理、Cu2+掺杂和IL接枝，并对材料进行了充分的表征（FT-IR光谱、拉曼光谱、XRD分析、ICP-MS分析、扫描电镜（SEM）、能量色散x射线光谱（EDX）和热重分析（TGA））。将该GO/HNO3/Cu/IL （5mg）用于芳醛、巯基乙酸和双氰胺的一锅三组分Mannich反应，在100℃下反应3h，得到噻唑[3,2-a][1,3,5]三嗪-6(7H)- 1衍生物，产率高达51%，材料具有良好的可回收性，具有大规模合成的潜力。

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来源期刊

Materials Chemistry and Physics 工程技术-材料科学：综合

CiteScore

8.70

自引率

4.30%

发文量

1515

审稿时长

69 days

期刊介绍： Materials Chemistry and Physics is devoted to short communications, full-length research papers and feature articles on interrelationships among structure, properties, processing and performance of materials. The Editors welcome manuscripts on thin films, surface and interface science, materials degradation and reliability, metallurgy, semiconductors and optoelectronic materials, fine ceramics, magnetics, superconductors, specialty polymers, nano-materials and composite materials.