Diterpenes and sesquitrpenes from Mikania banisteriae
Two 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 spe...
| Autores: | , , |
|---|---|
| Tipo de recurso: | artículo |
| Fecha de publicación: | 1997 |
| País: | Costa Rica |
| Institución: | Universidad de Costa Rica |
| Repositorio: | Kérwá |
| Idioma: | inglés |
| OAI Identifier: | oai:kerwa.ucr.ac.cr:10669/87845 |
| Acceso en línea: | https://www.sciencedirect.com/science/article/pii/S0031942297002288 https://hdl.handle.net/10669/87845 |
| Access Level: | acceso embargado |
| Palabra clave: | Mikania banisteriae Asteraceae Diterpenes Ent-kauranes Sesquiterpenes Eudesmane Eudesmanolides Biological studies PHYTOCHEMISTRY |
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| dc.title.es_ES.fl_str_mv |
Diterpenes and sesquitrpenes from Mikania banisteriae |
| title |
Diterpenes and sesquitrpenes from Mikania banisteriae |
| spellingShingle |
Diterpenes and sesquitrpenes from Mikania banisteriae Lobitz, G. O. Mikania banisteriae Asteraceae Diterpenes Ent-kauranes Sesquiterpenes Eudesmane Eudesmanolides Biological studies PHYTOCHEMISTRY |
| title_short |
Diterpenes and sesquitrpenes from Mikania banisteriae |
| title_full |
Diterpenes and sesquitrpenes from Mikania banisteriae |
| title_fullStr |
Diterpenes and sesquitrpenes from Mikania banisteriae |
| title_full_unstemmed |
Diterpenes and sesquitrpenes from Mikania banisteriae |
| title_sort |
Diterpenes and sesquitrpenes from Mikania banisteriae |
| dc.creator.none.fl_str_mv |
Lobitz, G. O. Tamayo Castillo, Giselle Merfort, Irmgard |
| author |
Lobitz, G. O. |
| author_facet |
Lobitz, G. O. Tamayo Castillo, Giselle Merfort, Irmgard |
| author_role |
author |
| author2 |
Tamayo Castillo, Giselle Merfort, Irmgard |
| author2_role |
author author |
| dc.subject.es_ES.fl_str_mv |
Mikania banisteriae Asteraceae Diterpenes Ent-kauranes Sesquiterpenes Eudesmane Eudesmanolides Biological studies PHYTOCHEMISTRY |
| topic |
Mikania banisteriae Asteraceae Diterpenes Ent-kauranes Sesquiterpenes Eudesmane Eudesmanolides Biological studies PHYTOCHEMISTRY |
| description |
Two 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. |
| publishDate |
1997 |
| dc.date.issued.none.fl_str_mv |
1997 |
| dc.date.accessioned.none.fl_str_mv |
2022-12-01T20:16:50Z |
| dc.date.available.none.fl_str_mv |
2022-12-01T20:16:50Z |
| dc.type.es_ES.fl_str_mv |
artículo original |
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http://purl.org/coar/resource_type/c_2df8fbb1 info:eu-repo/semantics/article |
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article |
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https://www.sciencedirect.com/science/article/pii/S0031942297002288 |
| dc.identifier.issn.none.fl_str_mv |
0031-9422 |
| dc.identifier.uri.none.fl_str_mv |
https://hdl.handle.net/10669/87845 |
| dc.identifier.doi.none.fl_str_mv |
10.1016/S0031-9422(97)00228-8 |
| url |
https://www.sciencedirect.com/science/article/pii/S0031942297002288 https://hdl.handle.net/10669/87845 |
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0031-9422 10.1016/S0031-9422(97)00228-8 |
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eng |
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eng |
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acceso embargado http://purl.org/coar/access_right/c_f1cf info:eu-repo/semantics/embargoedAccess |
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acceso embargado http://purl.org/coar/access_right/c_f1cf |
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embargoedAccess |
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Phytochemistry; Vol. 21 Núm. 6: 1997 pp.1868-1870. |
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reponame:Kérwá instname:Universidad de Costa Rica instacron:UCR |
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Universidad de Costa Rica |
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UCR |
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UCR |
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Kérwá |
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Kérwá |
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Lobitz, G. O.388d6ff4-665a-4745-a5aa-07030648d477Tamayo Castillo, Giselle610169ed-cccd-4ad0-8df7-5849f7b8fd1f600Merfort, Irmgarde4467de7-9fde-41f9-aefb-28f7ca7fb1096002022-12-01T20:16:50Z2022-12-01T20:16:50Z1997https://www.sciencedirect.com/science/article/pii/S00319422970022880031-9422https://hdl.handle.net/10669/8784510.1016/S0031-9422(97)00228-8Two 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.Institut für Pharmazeutische Chemie//IPC/AlemaniaUniversität Düsseldorf//HHU/AlemaniaUniversidad Nacional//UNA/Costa RicaInstitut für Pharmazeutische Biologie//IPB/AlemaniaUniversity of Würzburg//JMU/AlemaniaShanghai Institute of Materia Medica///ChinaUCR::Vicerrectoría de Docencia::Ciencias Básicas::Facultad de Ciencias::Escuela de Químicaengacceso embargadohttp://purl.org/coar/access_right/c_f1cfinfo:eu-repo/semantics/embargoedAccessPhytochemistry; Vol. 21 Núm. 6: 1997 pp.1868-1870.reponame:Kérwáinstname:Universidad de Costa Ricainstacron:UCRMikania banisteriaeAsteraceaeDiterpenesEnt-kauranesSesquiterpenesEudesmaneEudesmanolidesBiological studiesPHYTOCHEMISTRYDiterpenes and sesquitrpenes from Mikania banisteriaeartículo originalhttp://purl.org/coar/resource_type/c_2df8fbb1info:eu-repo/semantics/articleLICENSElicense.txtlicense.txttext/plain; charset=utf-83585https://www.kerwa.ucr.ac.cr/bitstreams/116a7aad-fd91-4eec-af5a-f8de19a425e8/download44ae5839bc6497e3c892c5ee8e4284f1MD52ORIGINAL16-Mikania_banisterae_Phytochemistry_1997_46_161.pdf16-Mikania_banisterae_Phytochemistry_1997_46_161.pdfArtículo principalapplication/pdf222445https://www.kerwa.ucr.ac.cr/bitstreams/aaae2bd2-6fe9-4904-95bd-0b59ce617861/download255f530431d1f7aa6f4ca07a0a1f2884MD51TEXT16-Mikania_banisterae_Phytochemistry_1997_46_161.pdf.txt16-Mikania_banisterae_Phytochemistry_1997_46_161.pdf.txtExtracted texttext/plain13682https://www.kerwa.ucr.ac.cr/bitstreams/0fc58f63-c51a-499b-b2be-5afa79bcdae4/downloade28e1fc759c4622b7b6e7b925d42cb0cMD53THUMBNAIL16-Mikania_banisterae_Phytochemistry_1997_46_161.pdf.jpg16-Mikania_banisterae_Phytochemistry_1997_46_161.pdf.jpgIM Thumbnailimage/jpeg9970https://www.kerwa.ucr.ac.cr/bitstreams/86bb8275-1731-4e13-bce7-c0f80d3bc6c3/download54629df637bb9e07019ddf93028dd960MD5410669/878452024-06-21 10:04:27.838embargo2150-12-01oai:kerwa.ucr.ac.cr:10669/87845https://www.kerwa.ucr.ac.crInstitucionalhttp://www.kerwa.ucr.ac.crUniversidadhttp://www.ucr.ac.crhttps://kerwa.ucr.ac.cr/oai/requestmeilyn.garro@ucr.ac.crCosta RicaNo aplicaNo aplicaNo aplicaopendoar:18712025-03-29T18:04:33.092Kérwá - 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