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N′-[1-(2,4-Dioxo-3,4-dihydro-2H-1-benzopyran-3-ylidene)ethyl]thiophene-2-carbohydrazide

The title compound, C(16)H(12)N(2)O(4)S, was obtained by the condensation of 3-acetyl-4-hydroxycoumarin with thien-2-ylcarbonyl hydrazide. The pyran ring adopts a 2,4-dione tautomeric form. The benzopyran ring system is almost coplanar with the thiophene ring [dihedral angle 0.9 (2)°]. The exocyc...

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Detalles Bibliográficos
Autores principales:	Helliwell, Madeleine, Nasiopoulou, Despina A., Harris, Philip A., Kotali, Antigoni, Joule, John A.
Formato:	Texto
Lenguaje:	English
Publicado:	International Union of Crystallography 2011
Materias:	Organic Papers
Acceso en línea:	https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3099777/ https://www.ncbi.nlm.nih.gov/pubmed/21754031 http://dx.doi.org/10.1107/S1600536811010907

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