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Isomerization and aggregation of 2-(2-(2-hydroxy-4-nitrophenyl)hydrazono)-1-phenylbutane-1,3-dione: Recent evidences from theory and experiment

Hristova, Silvia ; Kamounah, Fadhil S. ; Crochet, Aurélien ; Hansen, Poul Erik ; Fromm, Katharina M. ; Nedeltcheva, Daniela ; Antonov, Liudmil

In: Journal of Molecular Liquids, 2019, vol. 283, p. 242–248

The title compound potentially can exist as four isomers in solution. Recently Lycka has proposed a protocol for distinguishing two of them based on 15N NMR. This approach has been confirmed theoretically, in the current study, and further developed into a logical scheme that allows the existence of each of the isomers to be proven in solution. The experimental data, obtained by NMR and...