It was established that unsubstituted amides of imidazole-4,5-dicarboxylic acid are characterized by large (up to 15000 cm–1) Stokes shifts. It was found that the structural factors determining the character of transitions of the molecules of esters and hydrazides in the initial and excited states are similar. The effect of the lipophilicity of the compounds on the Stokes shifts and fluorescence quantum yields is discussed.
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The investigation was conducted within the scope of a Target Complex Program of Fundamental Investigations of the National Academy of Sciences of Ukraine “Fundamental problems of creation of new substances and materials of chemical production” (projects No. 16-12 and No. 34-14).
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Snurnikova, O.V., Gulida, A.V., Korovin, A.Y. et al. Effect of the Structure of Amido Esters and Amido Hydrazides of Imidazole-4,5-Dicarboxylic Acid on their Luminescent Properties. Theor Exp Chem 54, 401–406 (2019). https://doi.org/10.1007/s11237-019-09587-5
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DOI: https://doi.org/10.1007/s11237-019-09587-5