Magnetic ZnFe2O4 nanoparticles as an efficient catalyst for the oxidation of alcohols to carbonyl compounds in the presence of oxone as an oxidant

Iranian Journal of Catalysis

مقاله 12، دوره 5، شماره 3، آذر 2015، صفحه 285-291   

نوع مقاله: Articles

نویسندگان

Ali Ramazani^{* 1}؛ Fariba Sadri²؛ Abdolhossain Massoudi²؛ Mehdi Khoobi³؛ Sang Woo Joo⁴؛ Leila Dolatyari⁵؛ Nahid Dayyani¹

¹Department of Chemistry, University of Zanjan, P O Box 45195-313, Zanjan, Iran

²Department of Chemistry, Payame Noor University, P.O. Box 19395-3697, Tehran, Iran

³Pharmaceutical Sciences Research Center, Tehran University of Medical Sciences, Tehran 14176, Iran

⁴School of Mechanical Engineering, Yeungnam University, Gyeongsan 712-749,Republic of Korea

⁵Department of Chemistry, Zanjan Branch, Islamic Azad University, P O Box 49195-467, Zanjan, Iran

چکیده

Zinc ferrite (ZnFe2O4) nanoparticles were synthesized via the auto-combustion assisted sol-gel method of Zn2+ and Fe3+ ions (molar ratio 1:2) in ammonia solution. The prepared nanomagnetic catalyst was characterized by IR, XRD, SEM and ICP. The diameter of the ZnFe2O4 MNPs (63.7 nm) was determined by Debye-Scherre equation via their XRD pattern. Nanomagnetic ZnFe2O4 efficiently catalyzes oxidation of alcohols and gave the corresponding carbonyl-containing products in good yields. The reactions were carried out in an aqueous medium at r.t in the presence of oxone (potassium hydrogen monopersulfate) as an oxidant. In addition, the catalysts could be reused up to 5 runs without significant loss of activities.

کلیدواژه‌ها

Nanomagnetic catalyst؛ zinc ferrite؛ oxidation؛ Alcohols؛ carbonyl compounds؛ Oxone

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