Fe3O4@SiO2-PTMS-Guanidine-SA nanoparticles as an effective and reusable catalyst for the synthesis of N-substituted pyrroles
Fe3O4@SiO2-PTMS-Guanidine-SA nanoparticles as an effective and reusable catalyst for the synthesis of N-substituted pyrroles
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Fe3O4@SiO2-PTMS-Guanidine-SA 纳米颗粒作为 N-取代吡咯合成的有效且可重复使用的催化剂
DOI：
10.1007/s13738-020-01857-7
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发表时间：
2020
影响因子：
2.4
通讯作者：
L. Shiri
中科院分区：
文献类型：
--
作者：
H. Rostami;L. Shiri
Fe3O4@SiO2-PTMS-Guanidine-SA 纳米粒子用作合成 N-取代吡咯的有效催化剂。伯胺衍生物与2,5-己二酮反应合成了吡咯，在温和的反应条件下具有高至优异的收率。反应完成后，Fe3O4@SiO2-PTMS-Guanidine-SA磁性纳米粒子可以通过外部磁铁轻松地从反应混合物中回收并重复使用。通过傅立叶变换红外光谱、扫描电子显微镜、能量色散X射线光谱、X射线衍射、热重分析和振动样品磁力测定技术对该催化剂进行了表征。
Fe3O4@SiO2-PTMS-Guanidine-SA nanoparticles used as an effective catalyst for the synthesis ofN-substituted pyrroles. Pyrroles were synthesized from the reaction between primary amine derivatives and 2,5-hexanedione with high to excellent yields under mild reaction conditions. After completion of the reaction, Fe3O4@SiO2-PTMS-Guanidine-SA magnetic nanoparticles could be recovered easily from the reaction mixture by an external magnet and reused. This catalyst was characterized by FT-IR spectroscopy, scanning electron microscopy, energy-dispersive X-ray spectroscopy, X-ray diffraction, thermogravimetric analysis and vibrating-sample magnetometry techniques.