Ontology highlight
ABSTRACT:
SUBMITTER: Chen G
PROVIDER: S-EPMC2971388 | biostudies-literature | 2009 Oct
REPOSITORIES: biostudies-literature
Chen Guangying G Zhao Jun J Cen Changchun C Han Changri C Song Xinming X
Acta crystallographica. Section E, Structure reports online 20091023 Pt 11
In the title compound, C(14)H(10)O(4)·H(2)O, isolated from the roots of Calophyllum membranaceum, the xanthene ring system is almost planar (r.m.s. deviation = 0.008 Å). In the crystal structure, inter-molecular O-H⋯O and O-H⋯(O,O) hydrogen bonds connect the mol-ecules. ...[more]