2-(2-ethoxycarbonyl-1,4-benzodioxan-7-yl)-4H-1-benzopyran-4-one


Ozbey S., Kendi E., GÖKER A. H., Ertan R.

ACTA CRYSTALLOGRAPHICA SECTION C-CRYSTAL STRUCTURE COMMUNICATIONS, cilt.53, ss.1981-1983, 1997 (SCI-Expanded) identifier identifier

Özet

The benzopyran ring system of the flavone in the title compound, C20H16O6, is quasi-planar and makes a dihedral angle of 13.9(4)degrees with the 2-phenyl substituent. The dioxane ring deviates from planarity. The structure is stabilized by inter-and intramolecular hydrogen bonds.