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固定在果胶水凝胶上的超细铜（II）金属的合成，该果胶水凝胶由CoFeO/Pr-SOH纳米复合材料改性，用作还原硝基化合物和合成1-四唑的绿色催化剂。

synthesis of ultrafine Cu(ii) metal immobilized on pectin hydrogel, modified by a CoFeO/Pr-SOH nanocomposite as a green catalyst for reduction of nitro compounds and synthesis of 1-tetrazoles.

作者信息

Mozafari Roya, Mohammadi Maria, Moradi Setareh, Ghadermazi Mohammad

机构信息

Department of Chemistry, University of Kurdistan P. O. Box 66135-416 Sanandaj Iran

出版信息

RSC Adv. 2025 Jan 15;15(2):1358-1374. doi: 10.1039/d4ra08706b. eCollection 2025 Jan 9.

DOI:10.1039/d4ra08706b
PMID:39816178
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC11734663/
Abstract

Synthesis of 5-substituted 1-tetrazoles and reduction of a variety of nitro compounds presents a promising solution for the pharmaceutical and agricultural industries. However, the development of green catalysts with superior catalytic performance for this reaction remains a significant challenge. This research introduces a green protocol for the creation of ultrafine Cu(ii) metal immobilized on the surface of pectin hydrogel (HPEC), modified by a CoFeO/Pr-SOH magnetic nanocomposite, enabling the synthesis of tetrazoles and reduction of nitro compounds. This catalyst exhibits superior catalytic performance under green reaction conditions, short reaction time, catalyst separation, and thermal stability. The heterogeneous catalyst's structure and composition were thoroughly analyzed using various techniques such as FT-IR, FE-SEM, VSM, ICP-OES, TGA, XRD, BET, EDX, and X-ray mapping.

摘要

5-取代-1-四唑的合成以及多种硝基化合物的还原为制药和农业行业提供了一个有前景的解决方案。然而，开发具有卓越催化性能的绿色催化剂以用于该反应仍然是一项重大挑战。本研究引入了一种绿色方法，用于制备负载在果胶水凝胶（HPEC）表面的超细Cu(ii)金属，该果胶水凝胶由CoFeO/Pr-SOH磁性纳米复合材料改性，可实现四唑的合成以及硝基化合物的还原。该催化剂在绿色反应条件下表现出卓越的催化性能，反应时间短、催化剂易于分离且具有热稳定性。使用FT-IR、FE-SEM、VSM、ICP-OES、TGA、XRD、BET、EDX和X射线映射等各种技术对该多相催化剂的结构和组成进行了全面分析。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8de6/11734663/b86c8f9117b6/d4ra08706b-f9.jpg
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