11β,13-Dihydrolactucin-8-O-acetate hemihydrate

The title structure (systematic name: 9-hydroxymethyl-3,6-dimethyl-3-methylene-2,7-dioxo-3,3a,4,5,9a,9b-hexahydroazuleno[4,5-b]furan-4-yl acetate hemihydrate), C17H20O6·0.5H2O, from Lactuca floridana, has two independent sesquiterpene lactone molecules in the asymmetric unit. Both have...

Full description

Bibliographic Details
Main Authors: Chris F. Fronczek, Marco L. Gomez-Barrios, Nikolaus H. Fischer, Frank R. Fronczek
Format: Article
Language:English
Published: International Union of Crystallography 2009-10-01
Series:Acta Crystallographica Section E
Online Access:http://scripts.iucr.org/cgi-bin/paper?S160053680903829X