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Published in:
2015 | OriginalPaper | Chapter
2. Oxidation of Alcohols Catalyzed by Supported Undecamolybdophosphate
Authors : Anjali Patel, Soyeb Pathan
Published in: Polyoxomolybdates as Green Catalysts for Aerobic Oxidation
Publisher: Springer International Publishing
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Abstract
Synthesis and stabilization of undecamolybdophosphate (PMo11) as well as its characterization was explained. Also, synthesis and characterization of series of heterogeneous catalysts comprising PMo11 and different supports (ZrO2, Al2O3, MCM-41 and zeolite-Hβ) and their use as heterogeneous catalysts for solvent free oxidation of alcohols with molecular oxygen and TBHP as a radical initiator was described. The influence of different parameters on the conversion as well as the selectivity was investigated on oxidation of benzyl alcohol. Further, oxidation of various alcohols such as cyclopentanol, 1-hexanol and 1-octanol over supported PMo11 was presented under optimized conditions. All the catalysts are found to be efficient especially in achieving higher selective toward desire product and high turnover numbers. Regeneration study showed that the catalysts can be regenerated and reused without any significant loss in the catalytic activity.