Ethyl 5-oxo-2,3-diphenyl­cyclo­pentane-1-carboxyl­ate

The title compound, C(20)H(20)O(3), was prepared by an acyl­oin-type condensation reaction in the presence of sodium sand and dry ether using ethyl cinnamate as the starting material. The C—O bond lengths for the carbonyl groups are 1.191 (2) and 1.198 (2) Å, while the C—O bond in the ester group is...

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Detalles Bibliográficos
Autores principales: Lamb, Claude N., Assefa, Zerihun, Sykora, Richard E.
Formato: Texto
Lenguaje:English
Publicado: International Union of Crystallography 2010
Materias:
Organic Papers
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2979171/
https://www.ncbi.nlm.nih.gov/pubmed/21579223
http://dx.doi.org/10.1107/S1600536810014728
Descripción
Sumario:The title compound, C(20)H(20)O(3), was prepared by an acyl­oin-type condensation reaction in the presence of sodium sand and dry ether using ethyl cinnamate as the starting material. The C—O bond lengths for the carbonyl groups are 1.191 (2) and 1.198 (2) Å, while the C—O bond in the ester group is 1.335 (2) Å. The C—C bond lengths in the phenyl groups average 1.375 Å, while the C—C bonds in the cyclo­penta­none ring average 1.525 Å, indicating single C—C bonds in the latter.

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