Dimethyl 2,2′-[(4-oxo-2-phenyl-4H-chromene-5,7-diyl)dioxy]diacetate: a more densely packed polymorph

The title mol­ecule, C(21)H(18)O(8), crystallizes in two crystal polymorphs, see also Nallasivam, Nethaji, Vembu & Jaswant [Acta Cryst. (2009), E65, o314–o315]. The mol­ecules of both polymorphs differ by the conformation of the oxomethyl­acetate groups. The title mol­ecules are rather planar co...

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Detalles Bibliográficos
Autores principales: Nallasivam, Angannan, Nethaji, Munirathinam, Vembu, Nagarajan, Jaswant, Buckle, Sulochana, Nagarajan
Formato: Artigo
Lenguaje:Inglês
Publicado: International Union of Crystallography 2009
Materias:
Organic Papers
Acceso en línea:https://ncbi.nlm.nih.gov/pmc/articles/PMC2968396/
https://ncbi.nlm.nih.gov/pubmed/21581920
https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1107/S1600536809001020
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