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Kinetics and mechanism of oxidation of substituted benzyl alcohols by polymer supported chromic acid

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Abstract

The reactions between substituted benzyl alcohols were found to proceed through ester formation. The ester thus formed decomposes in a slow step to produce chromium(IV). Since our oxidant was supported on a polymeric material the intermediate chromium(IV) will further oxidize another molecule of alcohol generating a free radical in a fast step. The free radical subsequently reacts with another oxidant site in the polymeric reagent in a fast step leading to the formation of chromium(V). The intermediate chromium(V) in the last step reacts with alcohol to produce an aldehyde. The activation parameters were also determined and the mechanism is predicted.

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Authors and Affiliations

  1. Department of Chemistry, Shivaji University, Kolhapur, 416004, India

    Anita L. Jawanjal & Nandini P. Hilage

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  1. Anita L. Jawanjal
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  2. Nandini P. Hilage
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Jawanjal, A.L., Hilage, N.P. Kinetics and mechanism of oxidation of substituted benzyl alcohols by polymer supported chromic acid. Transition Met Chem 30, 290–293 (2005). https://doi.org/10.1007/s11243-004-4055-2

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  • DOI: https://doi.org/10.1007/s11243-004-4055-2

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