Structural and Quantitative Analyses of 4-Chloroaniline-Derived Oligomers
| Autor: | Jean Marc Bollag, K. E. Simmons, Robert D. Minard, Alan J. Freyer |
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| Rok vydání: | 1986 |
| Předmět: |
Chromatography
Health Toxicology and Mutagenesis Public Health Environmental and Occupational Health Soil Science Substrate (chemistry) Reversed-phase chromatography Pollution Oligomer High-performance liquid chromatography Benzoquinone Analytical Chemistry chemistry.chemical_compound chemistry Azobenzene Proton NMR Environmental Chemistry Organic chemistry Sample preparation Waste Management and Disposal Water Science and Technology |
| Zdroj: | International Journal of Environmental Analytical Chemistry. 26:209-227 |
| ISSN: | 1029-0397 0306-7319 |
| DOI: | 10.1080/03067318608077116 |
| Popis: | The oxidation of 4-chloroaniline by a peroxidase resulted in eight oligomeric products. A reverse-phase high performance liquid chromatography (HPLC) method was developed so that substrate disappearance and the corresponding product formations could be quantitatively monitored. The product mixture was isolated from the aqueous reaction solution with solid-phase extraction and the extract components were separated by thin-layer chromatography (TLC). The individual TLC bands were extracted for mass spectrometric and proton nuclear magnetic resonance analyses. The product mixture was found to contain dimers, trimers, and tetramers with benzoquinone monoimine, benzopuinone di-mine, diaminobenzene, and azobenzene structures. Analytical methodologies were specific for the study of the oxidative transformation of 4-chloroaniline, but they should be applicable to other anilinederived oligomers. |
| Databáze: | OpenAIRE |
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