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Crystal structure and DFT study of the zwitterionic form of 3-{(E)-1-[(4-ethoxyphenyl)iminiumyl]ethyl}-6-methyl-2-oxo-2H-pyran-4-olate
The title Schiff base compound, C(16)H(17)NO(4), crystallizes as a zwitterion, with the phenolic H atom having been transferred to the imino group. The resulting iminium and hydroxy groups are linked by an intramolecular N—H⋯O hydrogen bond, enclosing an S(6) ring motif. The conformation about the...
Autores principales: | , , , , , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
International Union of Crystallography
2018
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5956330/ https://www.ncbi.nlm.nih.gov/pubmed/29850047 http://dx.doi.org/10.1107/S2056989018000919 |