1991
DOI: 10.1016/s0031-9422(00)95185-9
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Ichthyotoxic sesquiterpenes and xanthanolides from Dittrichia graveolens

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Cited by 39 publications
(31 citation statements)
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“…Analysis of the acidic part by 13 C-NMR led to the identification of four eudesman-type acids 20 ( Figure 1): eudesma-3,11(13)-dien-12-oic acid (isocostic acid), 21 costic acid (identified by comparison of NMR data with those of an authentic sample) and eudesma-2,4(15),11(13)-trien-12-oic acid, 1 (2,3-didehydrocostic acid) already reported in the extracts of Dittrichia viscosa, and eudesma-4,11(13)-dien-12-oic acid 22 , reported for the first time in Dittrichia genus. Instead of the conventional two-step sequence (derivatization-GC analysis) we developed and applied a quantitative procedure based on 13 C-NMR spectroscopy, using an internal standard.…”
Section: Resultsmentioning
confidence: 99%
“…Analysis of the acidic part by 13 C-NMR led to the identification of four eudesman-type acids 20 ( Figure 1): eudesma-3,11(13)-dien-12-oic acid (isocostic acid), 21 costic acid (identified by comparison of NMR data with those of an authentic sample) and eudesma-2,4(15),11(13)-trien-12-oic acid, 1 (2,3-didehydrocostic acid) already reported in the extracts of Dittrichia viscosa, and eudesma-4,11(13)-dien-12-oic acid 22 , reported for the first time in Dittrichia genus. Instead of the conventional two-step sequence (derivatization-GC analysis) we developed and applied a quantitative procedure based on 13 C-NMR spectroscopy, using an internal standard.…”
Section: Resultsmentioning
confidence: 99%
“…Outro grupo (Thinouia, Serjania) contém saponinas (Moretti & Grenand 1982, Teixeira et al 1984, Schenkel et al 1991. Sesquiterpenos são encontrados em Dittrichia graveolens (Lanzetta et al 1991), triterpenoides em Belamcanda chinensis (Ito et al 1999) e derivados de floroglucinol em Dryopteris fragrans (Ito et al 2000). Tephrosia linearis, pertencente ao grupo de plantas ictiotóxicas que contém rotenona e apresenta propriedades abortivas para vacas prenhes (Petitjean et al 1993, citado por Ibrahim et al 2000.…”
Section: Discus Discus Discus Discus Discussão São São São Sãounclassified
“…The small genus Dittrichia (Compositae, tribe Inulae) was previously considered as a section of Inula (Ball, 1976 (Topçu et al, 1993;Öksüz and Topçu, 1992;Lanzetta et al, 1991;Rustaiyan et al, 1987), flavonoids (Soulelesand and Philianos, 1979), and aromatic compounds (Topçu et al, 1993) have been isolated. The essential oil is known as the most effective oil for loosening mucous and deep congestion.…”
Section: Introductionmentioning
confidence: 99%