{"database":"biostudies-literature","file_versions":[],"scores":{"citationCount":0,"reanalysisCount":0,"viewCount":60,"searchCount":0},"additional":{"omics_type":["Unknown"],"volume":["67(Pt 12)"],"submitter":["Priestap HA"],"pubmed_abstract":["Dehydro-leucodin [systematic name: (1S,6S,2R)-9,13-dimeth-yl-5-methyl-ene-3-oxatricyclo-[8.3.0.0(2,6)]trideca-9,12-diene-4,11-dione], C(15)H(16)O(3), is a guanolide isolated from Artemisia douglasiana. The fused-ring system contains a seven-membered ring that adopts a chair conformation, a fused planar cyclo-pentenone ring and a five-membered lactone ring fused in envelope conformation. The absolute structure determined by X-ray analysis agrees with that previously assigned to this compound by NMR studies [Bohlmann & Zdero (1972 ▶). Tetra-hedron Lett.13, 621-624] and also with that of leucodine, a closely related guaianolide [Martinez et al. (1988 ▶). J. Nat. Prod.51, 221-228]."],"journal":["Acta crystallographica. Section E, Structure reports online"],"pagination":["o3470"],"full_dataset_link":["https://www.ebi.ac.uk/biostudies/studies/S-EPMC3239097"],"repository":["biostudies-literature"],"pubmed_title":["Dehydro-leucodin: a guaiane-type sesquiterpene lactone."],"pmcid":["PMC3239097"],"pubmed_authors":["Lopez LA","Priestap HA","Velandia AE","Abboud KA","Barbieri MA"],"view_count":["60"],"additional_accession":[]},"is_claimable":false,"name":"Dehydro-leucodin: a guaiane-type sesquiterpene lactone.","description":"Dehydro-leucodin [systematic name: (1S,6S,2R)-9,13-dimeth-yl-5-methyl-ene-3-oxatricyclo-[8.3.0.0(2,6)]trideca-9,12-diene-4,11-dione], C(15)H(16)O(3), is a guanolide isolated from Artemisia douglasiana. The fused-ring system contains a seven-membered ring that adopts a chair conformation, a fused planar cyclo-pentenone ring and a five-membered lactone ring fused in envelope conformation. The absolute structure determined by X-ray analysis agrees with that previously assigned to this compound by NMR studies [Bohlmann & Zdero (1972 ▶). Tetra-hedron Lett.13, 621-624] and also with that of leucodine, a closely related guaianolide [Martinez et al. (1988 ▶). J. Nat. Prod.51, 221-228].","dates":{"release":"2011-01-01T00:00:00Z","publication":"2011 Dec","modification":"2024-11-21T00:11:39.459Z","creation":"2019-03-26T23:59:34Z"},"accession":"S-EPMC3239097","cross_references":{"pubmed":["22199945"],"doi":["10.1107/S1600536811048938"]}}