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  Published Paper Details:

  Paper Title

Role Of Nitrogen Bases In The Oxovanadium(Iv)-Salophen Catalyzed Oxidation Of Phenylsulfinylacetic Acids By Hydrogen Peroxide And The Non-Linear Hammett Correlation

  Authors

  DR.R.JEEVI ESTHER RATHNAKUMARI,  DR.V.VETRISELVI,  DR.C.KAVITHA,  DR.P.SUBRAMANIAM,  DR.J.JANET SYLVIA JABAROSE

  Keywords

oxovanadium(IV)-salophen, phenylsulfinylacetic acid, non-linear Hammett, oxidative decarboxylation, nitrogen base

  Abstract


The oxidative decarboxylation of phenylsulfinylacetic acid (PSAA) and substituted PSAAs by H2O2 in the presence of oxovanadium(IV)-salophen complex has been studied spectrophotometrically in 100% acetonitrile medium under the influence of nitrogen bases like pyridine (Py), imidazole (ImH) and 1-methylimidazole (MeIm). Kinetic results reveal that the reaction rate is strongly retarded by nitrogen bases and highly sensitive to the nature of base. Among the three nitrogen bases used, MeIm with a strong ?-donating ability shows the highest retarding effect on rate with oxovanadium(IV)-salophen complex. The reaction involving hydroperoxo species and an electrophilic attack of sulfur atom of PSAA on the nucleophilic peroxo oxygen of the vanadium complex is proposed as the mechanistic pathway. The linear Yukawa-Tsuno plot demonstrates that the ground state stabilization of PSAAs through resonance interaction is the cause for the observed non linearity in the Hammett plot.

  IJCRT's Publication Details

  Unique Identification Number - IJCRT2309650

  Paper ID - 244466

  Page Number(s) - f343-f354

  Pubished in - Volume 11 | Issue 9 | September 2023

  DOI (Digital Object Identifier) -    http://doi.one/10.1729/Journal.37753

  Publisher Name - IJCRT | www.ijcrt.org | ISSN : 2320-2882

  E-ISSN Number - 2320-2882

  Cite this article

  DR.R.JEEVI ESTHER RATHNAKUMARI,  DR.V.VETRISELVI,  DR.C.KAVITHA,  DR.P.SUBRAMANIAM,  DR.J.JANET SYLVIA JABAROSE,   "Role Of Nitrogen Bases In The Oxovanadium(Iv)-Salophen Catalyzed Oxidation Of Phenylsulfinylacetic Acids By Hydrogen Peroxide And The Non-Linear Hammett Correlation", International Journal of Creative Research Thoughts (IJCRT), ISSN:2320-2882, Volume.11, Issue 9, pp.f343-f354, September 2023, Available at :http://www.ijcrt.org/papers/IJCRT2309650.pdf

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ISSN: 2320-2882
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Journal Starting Year (ESTD) : 2013
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ISSN and 7.97 Impact Factor Details


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ISSN: 2320-2882
Impact Factor: 7.97 and ISSN APPROVED
Journal Starting Year (ESTD) : 2013
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