Pulsed and Cyclic Voltammetric Studies of Phenols and Naphthols in Dimethylformamide in Presence of Sodium 4-Vinylbenzenesulfonate
The influence of sodium 4-vinylbenzenesulfonate on the electrooxidation of phenols and naphthols was studied in dimethylformamide (DMF). The usually observed deactivation of phenol in non-aqueous environments was suppressed upon addition of sodium 4-vinylbenzenesulfonate, and signals of all studied...
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2025-04-01
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| author | László Kiss András Kiss |
| author_facet | László Kiss András Kiss |
| author_sort | László Kiss |
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| description | The influence of sodium 4-vinylbenzenesulfonate on the electrooxidation of phenols and naphthols was studied in dimethylformamide (DMF). The usually observed deactivation of phenol in non-aqueous environments was suppressed upon addition of sodium 4-vinylbenzenesulfonate, and signals of all studied compounds were highlighted due to the diminished background current. As in other cases, the latter is attributable to the solvent. The 4-vinylbenzenesulfonate salt underwent electroinitiated polymerization close to the electrode surface excluding all other compounds from it within the timescale of the measurements. The polymeric products were partially removed by dissolution; therefore, improved signal reproducibilities could be reached. The investigation was extended to pulsed voltammetric techniques widely used in analytical chemistry (differential pulse, normal pulse, square wave voltammetry). Among these techniques, differential pulse voltammetry showed the best performance. Therefore, during its use, the analytical usefulness of adding the unsaturated additive in optimal concentration was estimated in the case of some phenols and naphthols. Successful calibration for picric acid was attained in DMF. |
| format | Article |
| id | doaj-art-d0bd4ce90e794b75acba8cf2644a72c4 |
| institution | Kabale University |
| issn | 2624-8549 |
| language | English |
| publishDate | 2025-04-01 |
| publisher | MDPI AG |
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| series | Chemistry |
| spelling | doaj-art-d0bd4ce90e794b75acba8cf2644a72c42025-08-20T03:27:29ZengMDPI AGChemistry2624-85492025-04-01736910.3390/chemistry7030069Pulsed and Cyclic Voltammetric Studies of Phenols and Naphthols in Dimethylformamide in Presence of Sodium 4-VinylbenzenesulfonateLászló Kiss0András Kiss1Institut of Organic and Medicinal Chemistry, Faculty of Pharmacy, University of Pécs, Honvéd Street 1, H-7624 Pécs, HungaryDepartment of Physical Chemistry and Materials Science, Faculty of Sciences, University of Pécs, Ifjúság Útja 6, H-7624 Pécs, HungaryThe influence of sodium 4-vinylbenzenesulfonate on the electrooxidation of phenols and naphthols was studied in dimethylformamide (DMF). The usually observed deactivation of phenol in non-aqueous environments was suppressed upon addition of sodium 4-vinylbenzenesulfonate, and signals of all studied compounds were highlighted due to the diminished background current. As in other cases, the latter is attributable to the solvent. The 4-vinylbenzenesulfonate salt underwent electroinitiated polymerization close to the electrode surface excluding all other compounds from it within the timescale of the measurements. The polymeric products were partially removed by dissolution; therefore, improved signal reproducibilities could be reached. The investigation was extended to pulsed voltammetric techniques widely used in analytical chemistry (differential pulse, normal pulse, square wave voltammetry). Among these techniques, differential pulse voltammetry showed the best performance. Therefore, during its use, the analytical usefulness of adding the unsaturated additive in optimal concentration was estimated in the case of some phenols and naphthols. Successful calibration for picric acid was attained in DMF.https://www.mdpi.com/2624-8549/7/3/69phenolsnaphtholssodium 4-vinylbenzenesulfonatedimethyl formamidecyclic voltammetrypulsed voltammetric techniques |
| spellingShingle | László Kiss András Kiss Pulsed and Cyclic Voltammetric Studies of Phenols and Naphthols in Dimethylformamide in Presence of Sodium 4-Vinylbenzenesulfonate Chemistry phenols naphthols sodium 4-vinylbenzenesulfonate dimethyl formamide cyclic voltammetry pulsed voltammetric techniques |
| title | Pulsed and Cyclic Voltammetric Studies of Phenols and Naphthols in Dimethylformamide in Presence of Sodium 4-Vinylbenzenesulfonate |
| title_full | Pulsed and Cyclic Voltammetric Studies of Phenols and Naphthols in Dimethylformamide in Presence of Sodium 4-Vinylbenzenesulfonate |
| title_fullStr | Pulsed and Cyclic Voltammetric Studies of Phenols and Naphthols in Dimethylformamide in Presence of Sodium 4-Vinylbenzenesulfonate |
| title_full_unstemmed | Pulsed and Cyclic Voltammetric Studies of Phenols and Naphthols in Dimethylformamide in Presence of Sodium 4-Vinylbenzenesulfonate |
| title_short | Pulsed and Cyclic Voltammetric Studies of Phenols and Naphthols in Dimethylformamide in Presence of Sodium 4-Vinylbenzenesulfonate |
| title_sort | pulsed and cyclic voltammetric studies of phenols and naphthols in dimethylformamide in presence of sodium 4 vinylbenzenesulfonate |
| topic | phenols naphthols sodium 4-vinylbenzenesulfonate dimethyl formamide cyclic voltammetry pulsed voltammetric techniques |
| url | https://www.mdpi.com/2624-8549/7/3/69 |
| work_keys_str_mv | AT laszlokiss pulsedandcyclicvoltammetricstudiesofphenolsandnaphtholsindimethylformamideinpresenceofsodium4vinylbenzenesulfonate AT andraskiss pulsedandcyclicvoltammetricstudiesofphenolsandnaphtholsindimethylformamideinpresenceofsodium4vinylbenzenesulfonate |