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Linear Free Energy Relationships near Isokinetic Temperature. Oxidation of Organic Sulfides with Nicotinium Dichromate

Chockalingam Karunakaran ; Department of Chemistry, Annamalai University, Annamalainagar 608 002, India
Vaithijalingam Chidambaranathan ; Department of Chemistry, Annamalai University, Annamalainagar 608 002, India


Puni tekst: engleski pdf 71 Kb

str. 51-59

preuzimanja: 492

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Sažetak

The nicotinium dichromate (NDC) oxidation of methyl phenyl sulfide (MeSPh) in acetonitrile, brought about by p-toluenesulfonic acid (TsOH), is first order in NDC and TsOH, and is zero order with respect to MeSPh in the concentration range investigated. The NDC oxidation of 14 para-, meta- and ortho-substituted phenyl methyl sulfides at 293-318 K complies with the isokinetic relationship but not to any of the linear free energy relationships; the isokinetic temperature lies within the experimental temperature range.

Ključne riječi

linear free energy relationships, activation parameters, isokinetic temperature

Hrčak ID:

131766

URI

https://hrcak.srce.hr/131766

Posjeta: 720 *