Journal
JOURNAL OF COORDINATION CHEMISTRY
Volume 65, Issue 15, Pages 2671-2682Publisher
TAYLOR & FRANCIS LTD
DOI: 10.1080/00958972.2012.699046
Keywords
Carbon nanotubes; Nickel salen complex; Nickel salophen complex; Oxidation of alcohols; Reusability
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Funding
- Defense Research and Development Organization (DRDO), Government of India
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Nickel salen and salophen complexes have been covalently anchored on multi-walled carbon nanotubes (MWNTs). The MWNT-supported nickel complexes have been characterized by inductive coupled plasma spectroscopy, FT-IR spectroscopy, UV-Vis spectrophotometry, transmission electron microscopy, and X-ray diffraction. The catalytic performance for the oxidation of primary and secondary alcohols was evaluated using periodic acid as oxidant. Reaction conditions have been optimized for MWNT-supported salen and salophen complexes by considering the effect of parameters such as solvent, reaction time, concentration of catalyst, amount of oxidant, etc. The catalytic activity was higher for supported catalysts than similar homogeneous ones. These supported catalysts were highly stable and reused several times without the loss of catalytic activity.
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