Dehydrobrachylaenolide : an eudesmanetype sesquiterpene lactone

Rademeyer, Melanie; Van Heerden, Fanie R.; Van der Merwe, Marina M.

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dc.contributor.author	Rademeyer, Melanie
dc.contributor.author	Van Heerden, Fanie R.
dc.contributor.author	Van der Merwe, Marina M.
dc.date.accessioned	2009-11-25T10:07:29Z
dc.date.available	2009-11-25T10:07:29Z
dc.date.issued	2009
dc.description.abstract	The three-ring eudesmanolide, C15H16O3, is a natural product isolated from Dicoma anomala Sond. (Asteraceae). The compound contains an endo–exo cross conjugated methylenecyclohexenone ring with an envelope conformation transfused with cyclohexane and trans-annelated with an - methylene -lactone. The absolute structure was assigned by optical rotation measurements compared to those from the synthetic compound with known stereochemistry. The crystal packing is consolidated by C—H...O interactions.	en_US
dc.description.sponsorship	National Drug Development Platform NDDP) and the NRF.	en_US
dc.identifier.citation	Rademeyer, M, Van Heerden, FR & Van Der Merwe, MM 2009, 'Dehydrobrachylaenolide: an eudesmanetype sesquiterpene lactone', Acta Crystallographica, E65, p. 196. [http://journals.iucr.org/e/journalhomepage.html]	en_US
dc.identifier.issn	1600-5368
dc.identifier.other	10.1107/S1600536808042402
dc.identifier.uri	http://hdl.handle.net/2263/12038
dc.language.iso	en	en_US
dc.publisher	International Union of Crystallography	en_US
dc.rights	International Union of Crystallography	en_US
dc.subject	Single-crystal X-ray study	en
dc.subject	T = 150 K	en
dc.subject	Mean (C–C) = 0.002 A°	en
dc.subject	R factor = 0.033	en
dc.subject	wR factor = 0.095	en
dc.subject	Data-to-parameter ratio = 14.1	en
dc.subject.lcsh	Lactones	en
dc.subject.lcsh	Stereochemistry	en
dc.title	Dehydrobrachylaenolide : an eudesmanetype sesquiterpene lactone	en_US
dc.type	Article	en_US