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Revista Colombiana de Química
versión impresa ISSN 0120-2804
Resumen
ROMERO, Elkin L. et al. Structural, spectroscopic, and theoretical analysis of a molecular system based on 2-((2-(4-chlorophenylhydrazone) methyl)quinolone. Rev.Colomb.Quim. [online]. 2018, vol.47, n.2, pp.63-72. ISSN 0120-2804. https://doi.org/10.15446/rev.colomb.quim.v47n2.67115..
A novel molecular system based on 2-((2-(4-chlorophenylhydrazone)methyl)quinoline (1-E ) was synthesized. Interconversion of 1-E to its configurational isomer 1-Z was achieved using UV radiation (250 W Hg lamp). Such isomerization was monitored by ¹H-NMR. The results suggest that the hydrazone derivative can act as a chemical brake in solution. This molecular system was structurally (Single Crystal X-Ray diffraction and DFT calculations) and spectroscopically (NMR, UV, and IR) characterized. Electrochemical measurements showed that configurational changes induce differential redox behavior. In this regard, the reported quinoline system exhibits different dynamic absorption and electrochemical properties that are modulated by UV-light. Therefore, 1-E can be regarded as a potential photo-electrochemical switch.
Palabras clave : Hydrazone derivatives; configurational dynamic; single XRD; DFT calculations; electrochemistry.