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dc.creatorLobitz, G. O.
dc.creatorTamayo Castillo, Giselle
dc.creatorMerfort, Irmgard
dc.date.accessioned2022-12-01T20:16:50Z
dc.date.available2022-12-01T20:16:50Z
dc.date.issued1997
dc.identifier.citationhttps://www.sciencedirect.com/science/article/pii/S0031942297002288es_ES
dc.identifier.issn0031-9422
dc.identifier.urihttps://hdl.handle.net/10669/87845
dc.description.abstractTwo new ent-kaurane diterpenes, 18,19-diacetoxy-ent-kaur-16-ene and 17-oxo-ent-kaur-15(16)-en-18-oic acid, were isolated from the aerial parts of Mikania banisteriae, together with the known ent-kauranes ent-kaur-16-en-18-oic acid and ent-kaur-16-en-18-ol. The structures were established by mass spectrometry, 1H NMR and partly 13C NMR spectroscopy. In addition, the sesquiterpene lactones eudesma-4(15),7(11)-dien-8β,12-olide and eudesma-4(15),7(11),8(9)-trien-12-olide as well as the sesquiterpenes 1β,6α-dihydroxyeudesm-4(15)-ene and caryophylleno-xide were identified by direct comparison (TLC, GC, GC-MS) with authentic samples. The chemotaxonomic significance is briefly discussed. ent-Kaur-16-en-18-oic acid and ent-kaur-16-en-19-oic acid showed no antifeedant, antimicrobial and antiinflammatory properties.es_ES
dc.description.sponsorshipInstitut für Pharmazeutische Chemie//IPC/Alemaniaes_ES
dc.description.sponsorshipUniversität Düsseldorf//HHU/Alemaniaes_ES
dc.description.sponsorshipUniversidad Nacional//UNA/Costa Ricaes_ES
dc.description.sponsorshipInstitut für Pharmazeutische Biologie//IPB/Alemaniaes_ES
dc.description.sponsorshipUniversity of Würzburg//JMU/Alemaniaes_ES
dc.description.sponsorshipShanghai Institute of Materia Medica///Chinaes_ES
dc.language.isoenges_ES
dc.sourcePhytochemistry; Vol. 21 Núm. 6: 1997 pp.1868-1870.es_ES
dc.subjectMikania banisteriaees_ES
dc.subjectAsteraceaees_ES
dc.subjectDiterpeneses_ES
dc.subjectEnt-kauraneses_ES
dc.subjectSesquiterpeneses_ES
dc.subjectEudesmanees_ES
dc.subjectEudesmanolideses_ES
dc.subjectBiological studieses_ES
dc.subjectPHYTOCHEMISTRYes_ES
dc.titleDiterpenes and sesquitrpenes from Mikania banisteriaees_ES
dc.typeartículo originales_ES
dc.identifier.doi10.1016/S0031-9422(97)00228-8
dc.description.procedenceUCR::Vicerrectoría de Docencia::Ciencias Básicas::Facultad de Ciencias::Escuela de Químicaes_ES


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