Ontology highlight
ABSTRACT:
SUBMITTER: Moumou M
PROVIDER: S-EPMC3011600 | biostudies-literature | 2010 Nov
REPOSITORIES: biostudies-literature
Acta crystallographica. Section E, Structure reports online 20101120 Pt 12
The title compound, C(17)H(22)O(6), was semi-synthesized from 9-hy-droxy-arthenolide, which was isolated from the chloro-form extract of the aerial parts of Anvillea radiata. The mol-ecule contains fused five- and ten-membered rings: the five-membered lactone ring has a twisted conformation, whereas the ten-membered ring displays an approximate chair-chair conformation. The dihedral angle between the rings is 24.76 (9)°. ...[more]