Structure of 7-methoxy-2-(2-methoxyphenyl)-4h-1-benzopyran-4-one (2',7-dimethoxyflavone)
(1991) Acta Crystallographica. Section C: Crystal Structure Communications — Vol. 47, p. 1103-1105 (1991)
Files
No attached file found for this publication.
Details
- Authors
- Abstract
- C17H14O4, M(r) = 282.30, monoclinic, P2(1)/c, a = 12.498 (4), b = 9.490 (2), c = 12.184 (2) angstrom, beta = 107.87 (2)degrees, V = 1375.4 (6) angstrom 3, Z = 4, D(x) = 1.36 g cm-3, Cu K-alpha, lambda = 1.54178 angstrom, mu = 7.98 cm-1, F(000) = 592, T = 291 K, R = 0.042 for 1848 observed reflections. The benzopyran heterocycle is planar within experimental errors (max. deviation from the best mean plane through the ten atoms 0.031 angstrom). The dihedral angle between the heterocycle and the phenyl ring is 23.5 (5)degrees. The methoxy groups are nearly coplanar with their aromatic rings (torsion angles about C(arom)-O are 4-6-degrees).
- Affiliations
Citations
Wallet, JC., Gaydou, EM., Feneau-Dupont, J., Tinant, B., Declercq, J.-P., & Baldy, A. (1991). Structure of 7-methoxy-2-(2-methoxyphenyl)-4h-1-benzopyran-4-one (2′,7-dimethoxyflavone). Acta Crystallographica. Section C: Crystal Structure Communications, 47, 1103-1105. https://doi.org/10.1107/S0108270190010447 (Original work published 1991)