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Cytotoxic diterpenes from scoparia dulcis

Ahsan, M. and Islam, S.N. and Gray, A.I. and Stimson, W.H. (2003) Cytotoxic diterpenes from scoparia dulcis. Journal of Natural Products, 66 (7). pp. 958-961. ISSN 0163-3864

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Abstract

Four new labdane-derived diterpenes, iso-dulcinol (1), 4-epi-scopadulcic acid B (2), dulcidiol (4), and scopanolal (5), together with two known diterpenes, dulcinol/scopadulciol (3) and scopadiol (6), were isolated from the aerial parts of Scoparia dulcis. The structures were determined by extensive NMR studies. The crude extracts as well as the pure diterpenes showed cytotoxicity against a panel of six human stomach cancer cell lines.