Abstract
The electronic absorption spectra of ten chalcone analogs derived from 4- and 5-nitropyrroles have been measured in solution in ethanol, dioxane, concentrated sulfuric acid, and 20% ethanolic caustic potash and interpreted. The IR spectra of these compounds and also of 4- and 5-nitro-2-acetylpyrroles and 5-nitropyrrole-2-aldehyde have been measured in the 3700-500 cm−1 region, an assignment of frequencies has been carried out, and considerations have been put forward on the connection between the characteristic features of the absorption and the chemical structure.
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Tsukerman, S.V., Izvekov, V.P., Lavrushin, V.F. et al. Electronic and vibrational spectra of chalcone analogs derived from 4- and 5-nitropyrroles. Chem Heterocycl Compd 5, 383–387 (1969). https://doi.org/10.1007/BF00471151
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DOI: https://doi.org/10.1007/BF00471151