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Title

Fe3O4@silica sulfuric acid nanoparticles as a potent and recyclable solid acid catalyst for the synthesis of indole derivatives

Year: 1395
COI: JR_ICC-4-4_010
Language: EnglishView: 187
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Authors

Alireza Khorshidi - Department of Chemistry, Faculty of Sciences, University of Guilan, P.O. Box: 41335-1914, Rasht, Iran
Shahab Shariati - Department of Chemistry, Faculty of Sciences, Rasht Branch, Islamic Azad University, Rasht, Iran
Masoumeh Aboutalebi - Department of Chemistry, Faculty of Sciences, University of Guilan, P.O. Box: 41335-1914, Rasht, Iran
Neda Mardazad - Department of Chemistry, Faculty of Sciences, University of Guilan, P.O. Box: 41335-1914, Rasht, Iran

Abstract:

Fe3O4 magnetic nanoparticles were synthesized by co-precipitation of Fe2+ and Fe3+ in aqueous NaOH. Then silica was coated on the obtained nanoparticles and the whole composite was functionalized with chlorosulfonic acid in CH2Cl2. The obtained nanocomposite (Fe3O4@SiO2-SO3H) was characterized by FT-IR, VSM and XRD techniques and was used as an efficient catalyst in condensation reaction of indoles and aldehydes, and excellent yields of the desired products were obtained. The catalyst was recycled and used for successive runs with no considerable loss of activity. The indole products in their conjugated form were capable of selective sensing of CN- anion in solution.

Keywords:

Nanoparticle, heterogeneous, catalyst, bis(indolyl)methane

Paper COI Code

This Paper COI Code is JR_ICC-4-4_010. 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/931418/

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Khorshidi, Alireza and Shariati, Shahab and Aboutalebi, Masoumeh and Mardazad, Neda,1395,Fe3O4@silica sulfuric acid nanoparticles as a potent and recyclable solid acid catalyst for the synthesis of indole derivatives,,,,,https://civilica.com/doc/931418

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