Ontology highlight
ABSTRACT:
SUBMITTER: Lee JK
PROVIDER: S-EPMC3239045 | biostudies-literature | 2011 Dec
REPOSITORIES: biostudies-literature
Acta crystallographica. Section E, Structure reports online 20111123 Pt 12
In the title compound, C(27)H(26)O(4), each of the cyclo-hexenone rings adopts a half-chair conformation. The dihedral angle between the two phenyl rings is 89.53 (5)°. The hy-droxy and carbonyl O atoms face each other and are orientated to allow the formation of two intra-molecular O-H⋯O hydrogen bonds, which are typical of xanthene derivatives. ...[more]