1H-Phenanthro[9,10-d]imidazole functionalized iron(ii, iii)oxide nanoparticle for magnetically recoverable nanocatalyst for monoalkylation of cyclam

IF 1.7 4区化学 Q3 CHEMISTRY, INORGANIC & NUCLEAR

Transition Metal Chemistry Pub Date : 2026-04-06 DOI:10.1007/s11243-026-00732-3

Uğur Taşdemir, Aslıhan Yılmaz Obalı

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引用次数: 0

Abstract

Magnetically recoverable nanocatalyst was synthesized by covalent binding 1 H-phenanthro[9,10-d]imidazole-derived compound and silica-coated Fe₃O₄ magnetic nanoparticles functionalized by (3-chloropropyl)trimethoxysilane (CPTMS). FT-IR (Fourier Transform Infrared Spectroscopy), XRD (X-ray Diffraction), TG/DSC (Thermogravimetric Analysis / Differential Scanning Calorimetry), VSM (Vibrating Sample Magnetometry), STEM (Scanning Transmission Electron Microscopy), FE-SEM (Field-Emission Scanning Electron Microscopy), EDX (Energy-Dispersive X-ray Spectroscopy) techniques were used for characterizations. Monoalkylation reaction of 1,4,8,11-tetraazamacrocycle with the 4-(bromomethyl)benzoic acid to give 4-((1,4,8,11-tetraazacyclotetradecan-1-yl)methyl)benzoic acid was performed by using magnetic nanocatalyst MNP1 that ensures short reaction times with high yields and fewer side-product formations and also six-times recyclability of nanocatalyst as well as reusability.

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h -菲菲[9,10-d]咪唑功能化氧化铁纳米颗粒用于环环酰胺单烷基化的磁性可回收纳米催化剂

以（3-氯丙基）三甲氧基硅烷（CPTMS）为官能团，将1 - h -菲[9,10-d]咪唑衍生物与二氧化硅包覆的Fe₃O₄磁性纳米颗粒共价结合，合成了磁性可回收纳米催化剂。利用FT-IR（傅里叶变换红外光谱）、XRD （x射线衍射）、TG/DSC（热重分析/差示扫描量热法）、VSM（振动样品磁强计）、STEM（扫描透射电子显微镜）、FE-SEM（场发射扫描电子显微镜）、EDX（能量色散x射线光谱）等技术进行表征。采用磁性纳米催化剂MNP1进行1,4,8,11-四氮杂环与4-（溴甲基）苯甲酸的单烷基化反应，得到4-（（1,4,8,11-四氮杂环十四烷-1-基）甲基）苯甲酸，保证了反应时间短、收率高、副产物生成少、纳米催化剂具有6倍可回收性和可重复使用性。

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来源期刊

Transition Metal Chemistry 化学-无机化学与核化学

CiteScore

3.60

自引率

0.00%

发文量

审稿时长

1.3 months

期刊介绍： Transition Metal Chemistry is an international journal designed to deal with all aspects of the subject embodied in the title: the preparation of transition metal-based molecular compounds of all kinds (including complexes of the Group 12 elements), their structural, physical, kinetic, catalytic and biological properties, their use in chemical synthesis as well as their application in the widest context, their role in naturally occurring systems etc. Manuscripts submitted to the journal should be of broad appeal to the readership and for this reason, papers which are confined to more specialised studies such as the measurement of solution phase equilibria or thermal decomposition studies, or papers which include extensive material on f-block elements, or papers dealing with non-molecular materials, will not normally be considered for publication. Work describing new ligands or coordination geometries must provide sufficient evidence for the confident assignment of structural formulae; this will usually take the form of one or more X-ray crystal structures.