Swertisin dihydrate

S Ohba, K Yoshida, T Kondo

Index: Ohba, Shigeru; Yoshida, Kumi; Kondo, Tadao Acta Crystallographica Section C: Crystal Structure Communications, 2004 , vol. 60, # 12 p. o893-o896

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Citation Number: 2

Abstract

The title compound, 6-C-glucopyranosyl-7-O-methylapigenin dihydrate, C22H22O10· 2H2O, is a natural C-glucosylflavone. The flavone skeleton is almost planar, the dihedral angle between the pyran moiety and the 4-hydroxyphenyl ring being 9.8 (3)°. The basal plane of the pyranosyl ring of the glucose moiety is almost perpendicular to the benzopyran ring system. The flavone skeletons are stacked along the a axis, forming layers parallel to (001 ...