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The potential insecticidal activity of Spilanthes acmella Murr. (Compositae) extracts was assessed in this study. The extracts were shown to be toxic against adults of American cockroach, Periplaneta… (More)
AbstractGoniothalamin is found in the bark, wood and roots of Coniothalamus tapis. G. scortechinii and G. fulvus. Two aporphine alkaloids, liriodenine and oxostaphanine, have also been isolated from… (More)
Abstract Investigation of the stem bark, wood and/or fruit of nine Asian Diospyros spp. (Ebenaceae) has revealed a range of triterpenes and naphthoquinones
Abstract From the roots of Merrillia caloxylon the five isoprenylcoumarins (−)-sibiricin, (−)-phebalosin, (−)-murrangatin, (−)-mexoticin and merillin were isolated.
Abstract 7-Methyljuglone bearing 4-hydroxy-5-methylcoumarin-3-yl units at C(2) and C(3) has been isolated from the bark of Diospyros ismailii Ng (Ebenaceae), and 2-methyljuglone (plumbagin) carrying… (More)
Abstract Examination of two samples of stem bark of Diospyros mannii yielded three naphthoquinones and three triterpenes. Five of the compounds, 7-methyljuglone, diospyrin, lupeol, betulin and… (More)