Acid-base equilibrium studies of 2-(aminomethyl)benzimidazole in aqueous solution
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| Format: | Artículo científico |
| Language: | en |
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Sociedad Química de México
2002
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| _version_ | 1876478995135987712 |
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| author | Carlos A. Galán Vidal |
| author_facet | Carlos A. Galán Vidal |
| contents | Acid-base equilibrium studies of 2-(aminomethyl)benzimidazole in aqueous solution Carlos A. Galán Vidal Araceli Sierra Zenteno Rafael Tapia Benavides Multidisciplinaria (Ciencias Naturales y Exactas) pKa SQUAD HypNMR SUPERQUAD (aminomethyl)benzimidazole The acid-base equilibrium constants of the 2-(aminomethyl)benzimidazole 2AMBZ in aqueous solutions have been determinedat 25 °C by means of nuclear magnetic resonance spectroscopy(13C NMR), and corroborated by potentiometric and spectrophotometrictechniques. pKa values were obtained from experimentaldata using the computer programs HypNMR, SUPERQUADand SQUAD respectively, finding pKa1 = 3.103 ± 0.079, pKa2 =7.624 ± 0.063 and pKa3 = 12.540 ± 0.038 by NMR at variable ionicstrength. Likewise, it was possible determine the deprotonation mechanismof 2AMBZ. 2002 artículo científico 1870-249X https://www.redalyc.org/articulo.oa?id=47546209 en http://www.redalyc.org/revista.oa?id=475 Journal of the Mexican Chemical Society application/pdf Sociedad Química de México Journal of the Mexican Chemical Society (México) Num.2 Vol.46 |
| format | Artículo científico |
| id | redalyc_47546209 |
| institution | Redalyc |
| language | en |
| publishDate | 2002 |
| publisher | Sociedad Química de México |
| spellingShingle | Acid-base equilibrium studies of 2-(aminomethyl)benzimidazole in aqueous solution Carlos A. Galán Vidal Multidisciplinaria (Ciencias Naturales y Exactas) pKa SQUAD HypNMR SUPERQUAD (aminomethyl)benzimidazole Acid-base equilibrium studies of 2-(aminomethyl)benzimidazole in aqueous solution Carlos A. Galán Vidal Araceli Sierra Zenteno Rafael Tapia Benavides Multidisciplinaria (Ciencias Naturales y Exactas) pKa SQUAD HypNMR SUPERQUAD (aminomethyl)benzimidazole The acid-base equilibrium constants of the 2-(aminomethyl)benzimidazole 2AMBZ in aqueous solutions have been determinedat 25 °C by means of nuclear magnetic resonance spectroscopy(13C NMR), and corroborated by potentiometric and spectrophotometrictechniques. pKa values were obtained from experimentaldata using the computer programs HypNMR, SUPERQUADand SQUAD respectively, finding pKa1 = 3.103 ± 0.079, pKa2 =7.624 ± 0.063 and pKa3 = 12.540 ± 0.038 by NMR at variable ionicstrength. Likewise, it was possible determine the deprotonation mechanismof 2AMBZ. 2002 artículo científico 1870-249X https://www.redalyc.org/articulo.oa?id=47546209 en http://www.redalyc.org/revista.oa?id=475 Journal of the Mexican Chemical Society application/pdf Sociedad Química de México Journal of the Mexican Chemical Society (México) Num.2 Vol.46 |
| title | Acid-base equilibrium studies of 2-(aminomethyl)benzimidazole in aqueous solution |
| topic | Multidisciplinaria (Ciencias Naturales y Exactas) pKa SQUAD HypNMR SUPERQUAD (aminomethyl)benzimidazole |
| url | https://www.redalyc.org/articulo.oa?id=47546209 |