Abstract
The thermodynamic and kinetic stability of hydrobromides of some dipyrrolylmethenes, their furyl and thienyl derivatives, and biladienes-a,c in various aggregation states was studied in relation to the compound structure, medium, and temperature. Correlations were found between the basicity (characterized by proton affinity) of the heterocycles and enthalpies of vaporization of HBr from their crystalline salts, calculated from the data of computer simulation and thermogravimetric analysis. These correlations can be used for assessing the thermal and kinetic stability of salts of linear oligopyrroles.
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Original Russian Text © E.V. Rumyantsev, G.B. Guseva, E.V. Antina, M.B. Berezin, V.B. Sheinin, A.I. V’yugin, 2006, published in Zhurnal Obshchei Khimii, 2006, Vol. 76, No. 1, pp. 143–150.
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Rumyantsev, E.V., Guseva, G.B., Antina, E.V. et al. Correlation of the basicity of dipyrrolylmethenes biladienes-a,c with the thermal and kinetic stability of their salts. Russ J Gen Chem 76, 141–147 (2006). https://doi.org/10.1134/S1070363206010270
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DOI: https://doi.org/10.1134/S1070363206010270