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Rolf Stomberg ; Vratislav Langer (Institutionen för oorganisk miljökemi) ; Marcelle Hauteville
Acta Crystallographica Section E: Structure Reports (1600-5368). Vol. E58 (2002), 5, p. o506-o508.
[Artikel, refereegranskad vetenskaplig]

The crystal structure of 2-(3,4-dimethoxyphenyl)-5,7-dimethoxy-3,8-dimethyl-4H-1-benzopyran-4-one (alternatively 3',4'-dimethoxyphenyl-5,7-dimethoxy-3,8-dimethylflavone),C21H22O6, known to be a potent and selective inhibitor of rat heart cytosolic cyclic nucleotide phosphodiesterases, has been determined. In the benzopyran ring system, the pyran ring is slightly puckered. The structure is stabilized by weak C-H...O hydrogen bonds and by π-π interactions between pyran rings.

Nyckelord: X-ray diffraction, crystal structure, conformation

Denna post skapades 2006-08-29.
CPL Pubid: 9728


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