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Reactivity of aminopyrroles: Protonation |
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| Authors: | Girolamo Cirrincione Anna Maria Almerico Patrizia Diana Paola Barraja Francesco Mingoia Stefania Grimaudo Gaetano Dattolo Enrico Aiello |
| Abstract: | The behaviour of 2- and 3-aminopyrroles towards protonation is similar. In dimethyl sulphoxide/trifluoroacetic acid they are protonated at the exocyclic nitrogen, whereas in pure trifluoroacetic acid, protonation at the 5- and/or 3-position of the ring takes place. |
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