Lack of Linear Free Energy Relationships in the p-Toluenesulfonic Acid Mediated Chromium(VI) Oxidation of Organic Sulfides |
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| Authors: | Chockalingam Karunakaran Vaithiyalingam Chidambaranathan |
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| Affiliation: | (1) Department of Chemistry, Annamalai University, Annamalainagar-608002, India, IN |
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| Abstract: | Summary. The oxidation of methylphenyl sulfide by imidazolium dichromate in acetonitrile mediated by p-toluenesulfonic acid is first order in IDC and TsOH and zero order in MeSPh in the concentration range studied. The IDC oxidation of 14 para-, meta-, and ortho-substituted phenylmethylsulfides at 20–45°C conforms to the isokinetic relationship but not to any of the linear free energy relationships; the isokinetic temperature lies within the experimental temperature range. Received April 18, 2000. Accepted (revised) July 12, 2000 |
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| Keywords: | . Linear free energy relationships Activation parameters Isokinetic temperature. |
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