2,3-O-(S)-Benzyl­idene-2-C-methyl-d-ribono-1,4-lactone

The crystal structure of the title compound, C(13)H(14)O(5), establishes (i) the (S) – rather than (R) – configuration at the acetal carbon and (ii) that both the acetal and the lactone form five- rather than six-membered rings; the absolute configuration is determined by the use of 2-C-methyl-d-rib...

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Detalles Bibliográficos
Autores principales: Booth, K. Victoria, Jenkinson, Sarah F., Fleet, George W. J., Watkin, David J.
Formato: Texto
Lenguaje:English
Publicado: International Union of Crystallography 2009
Materias:
Organic Papers
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2969893/
https://www.ncbi.nlm.nih.gov/pubmed/21577602
http://dx.doi.org/10.1107/S1600536809032796
Descripción
Sumario:The crystal structure of the title compound, C(13)H(14)O(5), establishes (i) the (S) – rather than (R) – configuration at the acetal carbon and (ii) that both the acetal and the lactone form five- rather than six-membered rings; the absolute configuration is determined by the use of 2-C-methyl-d-ribono-1,4-lactone as the starting material. The compound consists of hydrogen-bonded chains of mol­ecules running along the a axis; there are no unusual packing features. Only classical hydrogen bonding has been considered.

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