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Structure revision and cytotoxic activity of the scabrosin esters, epidithiopiperazinediones from the lichen Xanthoparmelia scabrosa

Ernst-Russell, M; Chai, Christina; Hurne, Alanna; Waring, Paul; Hockless, David; Elix, John


The scabrosin esters (1)-(4), isolated from the lichen Xanthoparmelia scabrosa, were reanalysed by modern one- and two-dimensional n.m.r. spectroscopic methods, including 51N n.m.r. spectroscopy, and single-crystal X-ray structural analysis. This reinvestigation has resulted in the unambiguous structure elucidation and complete spectral assignment of these metabolites and established them to be a family of epidithiopiperazinedione derivatives. A new scabrosin ester, scabrosin butyrate hexanoate...[Show more]

CollectionsANU Research Publications
Date published: 1999
Type: Journal article
Source: Australian Journal of Chemistry


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