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Magnetic d ‐penicillamine‐functionalized cellulose as a new heterogeneous support for cobalt(II) in green oxidation of ethylbenzene to acetophenone
Author(s) -
Keshipour Sajjad,
Adak Kamran
Publication year - 2017
Publication title -
applied organometallic chemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.53
H-Index - 71
eISSN - 1099-0739
pISSN - 0268-2605
DOI - 10.1002/aoc.3774
Subject(s) - ethylbenzene , acetophenone , chemistry , cellulose , catalysis , penicillamine , cobalt , yield (engineering) , selectivity , nuclear chemistry , nanoparticle , magnetic nanoparticles , organic chemistry , polymer chemistry , chemical engineering , materials science , metallurgy , engineering
A new efficient heterogeneous catalyst is introduced for the oxidation of ethylbenzene. The catalyst was obtained in three steps: functionalization of cellulose with d ‐penicillamine, deposition of Fe 3 O 4 nanoparticles on cellulose– d ‐penicillamine and then anchoring of Co(II) to the magnetic cellulose– d ‐penicillamine. High yield and excellent selectivity were achieved for the oxidation of ethylbenzene to acetophenone in ethanol under reflux conditions using H 2 O 2 as a green oxidant. Also, the recovered catalyst could be applied six times without a decrease in activity.

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