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- Title
Ionic liquid-functionalized mesoporous silica nanoparticles ([pmim]FeCl<sub>4</sub>/MSNs): Efficient nanocatalyst for solvent-free synthesis of N, N′-diaryl-substituted formamidines.
- Authors
Nasresfahani, Zahra; Kassaee, Mohammad Zaman; Eidi, Esmaiel
- Abstract
We report the synthesis of ionic liquid-functionalized mesoporous silica nanoparticles ([pmim]FeCl4/MSNs) via a method of post-grafting on parent MSNs. This hybrid material was characterized using scanning and transmission electron microscopies, energy-dispersive X-ray spectroscopy, nitrogen adsorption-desorption analysis, Fourier transform infrared spectroscopy, powder X-ray diffraction and thermal analyses. The material was utilized as an efficient heterogeneous catalyst for the synthesis of N, N′-diaryl-substituted formamidines through the reaction of triethyl orthoformate with arylamines under solvent-free conditions. The catalyst was recovered easily and reused several times without significant loss of its catalytic activity.
- Subjects
MESOPOROUS silica; IONIC liquids; SILICA nanoparticles; FERRIC chloride; FORMAMIDINES; METAL catalysts
- Publication
Applied Organometallic Chemistry, 2017, Vol 31, Issue 11, pn/a
- ISSN
0268-2605
- Publication type
Article
- DOI
10.1002/aoc.3800