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Paper
Title

Preparation of core/shell nanostructure Fe3O4@PEG400-SO3H as heterogeneous and magnetically recyclable nanocatalyst for one-pot synthesis of substituted pyrroles by Paal-Knorr reaction at room temperature

Year: 1396
COI: NFSI01_092
Language: EnglishView: 323
نسخه کامل این Paper ارائه نشده است و در دسترس نمی باشد

Authors

Fahimeh Bonyasi - Department of Medicinal Chemistry, Faculty of Pharmacy, Pharmaceutical Sciences Branch, Islamic Azad University (IAUPS), Tehran, Iran
Malak Hekmati - Department of Medicinal Chemistry, Faculty of Pharmacy, Pharmaceutical Sciences Branch, Islamic Azad University (IAUPS), Tehran, Iran
Hojat Veisi - Department of Chemistry, Payame Noor University, Tehran, Iran

Abstract:

An efficient procedure has been proposed for the loading of sulfonic acid groups on the exterior of polyethylene glycol 400 (PEG400)-encapsulated Fe3O4 nanoparticles to synthesize a core-shell Fe3O4@PEG400-SO3H nanocatalyst. Surface functionalization of magnetic particles in such a way is a refined method of bridging the gap amongst heterogeneous and homogeneous catalysis. The procured nanocatalyst was classified through Fourier transformed infrared spectroscopy (FT-IR), X-ray diffraction (XRD), field emission scanning electron microscopy (FE-SEM), transmission electron microscopy (TEM), energy dispersive X-ray spectroscopy (EDS), wavelength-dispersive X-ray spectroscopy (WDX), thermogravimetric analysis (TGA), vibrating sample magnetometer (VSM), X-ray photoelectron spectroscopy (XPS), BET, and back titration. The nanoparticles have been utilized as a convenient catalyst for synthesizing a variety of N-substituted pyrroles via Paal-Knorr reactions of γ-diketones with amines, diamines or triamines at room temperature under solvent-free conditions. Notably, the newly produced catalyst was recoverable and recyclable (9 times) without any noticeable decrease in its activity

Keywords:

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This Paper COI Code is NFSI01_092. Also You can use the following address to link to this article. This link is permanent and is used as an article registration confirmation in the Civilica reference:

https://civilica.com/doc/671857/

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Bonyasi, Fahimeh and Hekmati, Malak and Veisi, Hojat,1396,Preparation of core/shell nanostructure Fe3O4@PEG400-SO3H as heterogeneous and magnetically recyclable nanocatalyst for one-pot synthesis of substituted pyrroles by Paal-Knorr reaction at room temperature,The First National Conference on Nano From Synthesis To Industry,Tehran,https://civilica.com/doc/671857

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Type of center: Azad University
Paper count: 537
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