Novel approach to synthesizing polymer-functionalized Fe 3 O 4 /SiO 2 –NH 2 via an ultrasound-assisted method for catalytic selective oxidation of alcohols to aldehydes and ketones in a DMSO/water mixture

N -(2-Oxotetrahydrothiophen-3-yl)acrylamide was successfully polymerized on the surface of amine functionalized magnetic silica nanocomposites via an ultrasound-assisted method. Then, MnO 2 nanoparticles were formed on the surface of the polymer functionalized magnetic nanocomposites leading to a ma...

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Published inRSC advances Vol. 5; no. 112; pp. 92335 - 92343
Main Authors Dehghan, Mahsa, Motaharinejad, Atieh, Saadat, Mostafa, Ahdenov, Reza, Babazadeh, Mirzaagha, Hosseinzadeh-Khanmiri, Rahim
Format Journal Article
LanguageEnglish
Published 2015
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Summary:N -(2-Oxotetrahydrothiophen-3-yl)acrylamide was successfully polymerized on the surface of amine functionalized magnetic silica nanocomposites via an ultrasound-assisted method. Then, MnO 2 nanoparticles were formed on the surface of the polymer functionalized magnetic nanocomposites leading to a magnetically recoverable MnO 2 catalyst, which exhibits high catalytic activity in the selective aerobic oxidation of alcohols to aldehydes and ketones in a mixture of DMSO and water in 30 min. The catalyst can be separated from the reaction mixture by applying a permanent magnet externally and can be reused several times without a significant loss of activity.
ISSN:2046-2069
2046-2069
DOI:10.1039/C5RA19093B