Antifungal steroidal glycosides from the Patagonian starfish Anasterias minuta: Structure - Activity correlations
Two new sulfated steroidal hexaglycosides, anasterosides A (2) and B (3), along with the known versicoside A (1) have been isolated from the Patagonian starfish Anasterias minuta. Their structures have been elucidated by spectroscopic analysis (NMR and FABMS) and chemical transformations. Compounds...
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Acceso en línea: | https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_01633864_v65_n2_p153_Chludil http://hdl.handle.net/20.500.12110/paper_01633864_v65_n2_p153_Chludil |
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paper:paper_01633864_v65_n2_p153_Chludil2023-06-08T15:14:14Z Antifungal steroidal glycosides from the Patagonian starfish Anasterias minuta: Structure - Activity correlations Seldes, Alicia Marta Maier, Marta Silvia anasteroside a anasteroside b antifungal agent glycoside thornasteroside unclassified drug versicoside a anasterias minuta antifungal activity article Asterias chemical modification Cladosporium cucumerinum correlation analysis drug isolation nonhuman nuclear magnetic resonance spectroscopy plant fungus interaction structure activity relation structure analysis sulfation and desulfurization Animals Antifungal Agents Argentina Cholestenones Chromatography, High Pressure Liquid Chromatography, Thin Layer Cladosporium Dose-Response Relationship, Drug Glycosides Molecular Structure Nuclear Magnetic Resonance, Biomolecular Pregnenes Starfish Structure-Activity Relationship Asterias Asteroidea Cladosporium Cladosporium cucumerinum Fungi Two new sulfated steroidal hexaglycosides, anasterosides A (2) and B (3), along with the known versicoside A (1) have been isolated from the Patagonian starfish Anasterias minuta. Their structures have been elucidated by spectroscopic analysis (NMR and FABMS) and chemical transformations. Compounds 1 and 2 and the synthetic pentaglycoside 1b derived from versicoside A showed antifungal activity against the plant pathogenic fungus Cladosporium cucumerinum. Desulfation of hexaglycoside 1 rendered a totally inactive saponin. Fil:Seldes, A.M. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. Fil:Maier, M.S. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. 2002 https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_01633864_v65_n2_p153_Chludil http://hdl.handle.net/20.500.12110/paper_01633864_v65_n2_p153_Chludil |
institution |
Universidad de Buenos Aires |
institution_str |
I-28 |
repository_str |
R-134 |
collection |
Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA) |
topic |
anasteroside a anasteroside b antifungal agent glycoside thornasteroside unclassified drug versicoside a anasterias minuta antifungal activity article Asterias chemical modification Cladosporium cucumerinum correlation analysis drug isolation nonhuman nuclear magnetic resonance spectroscopy plant fungus interaction structure activity relation structure analysis sulfation and desulfurization Animals Antifungal Agents Argentina Cholestenones Chromatography, High Pressure Liquid Chromatography, Thin Layer Cladosporium Dose-Response Relationship, Drug Glycosides Molecular Structure Nuclear Magnetic Resonance, Biomolecular Pregnenes Starfish Structure-Activity Relationship Asterias Asteroidea Cladosporium Cladosporium cucumerinum Fungi |
spellingShingle |
anasteroside a anasteroside b antifungal agent glycoside thornasteroside unclassified drug versicoside a anasterias minuta antifungal activity article Asterias chemical modification Cladosporium cucumerinum correlation analysis drug isolation nonhuman nuclear magnetic resonance spectroscopy plant fungus interaction structure activity relation structure analysis sulfation and desulfurization Animals Antifungal Agents Argentina Cholestenones Chromatography, High Pressure Liquid Chromatography, Thin Layer Cladosporium Dose-Response Relationship, Drug Glycosides Molecular Structure Nuclear Magnetic Resonance, Biomolecular Pregnenes Starfish Structure-Activity Relationship Asterias Asteroidea Cladosporium Cladosporium cucumerinum Fungi Seldes, Alicia Marta Maier, Marta Silvia Antifungal steroidal glycosides from the Patagonian starfish Anasterias minuta: Structure - Activity correlations |
topic_facet |
anasteroside a anasteroside b antifungal agent glycoside thornasteroside unclassified drug versicoside a anasterias minuta antifungal activity article Asterias chemical modification Cladosporium cucumerinum correlation analysis drug isolation nonhuman nuclear magnetic resonance spectroscopy plant fungus interaction structure activity relation structure analysis sulfation and desulfurization Animals Antifungal Agents Argentina Cholestenones Chromatography, High Pressure Liquid Chromatography, Thin Layer Cladosporium Dose-Response Relationship, Drug Glycosides Molecular Structure Nuclear Magnetic Resonance, Biomolecular Pregnenes Starfish Structure-Activity Relationship Asterias Asteroidea Cladosporium Cladosporium cucumerinum Fungi |
description |
Two new sulfated steroidal hexaglycosides, anasterosides A (2) and B (3), along with the known versicoside A (1) have been isolated from the Patagonian starfish Anasterias minuta. Their structures have been elucidated by spectroscopic analysis (NMR and FABMS) and chemical transformations. Compounds 1 and 2 and the synthetic pentaglycoside 1b derived from versicoside A showed antifungal activity against the plant pathogenic fungus Cladosporium cucumerinum. Desulfation of hexaglycoside 1 rendered a totally inactive saponin. |
author |
Seldes, Alicia Marta Maier, Marta Silvia |
author_facet |
Seldes, Alicia Marta Maier, Marta Silvia |
author_sort |
Seldes, Alicia Marta |
title |
Antifungal steroidal glycosides from the Patagonian starfish Anasterias minuta: Structure - Activity correlations |
title_short |
Antifungal steroidal glycosides from the Patagonian starfish Anasterias minuta: Structure - Activity correlations |
title_full |
Antifungal steroidal glycosides from the Patagonian starfish Anasterias minuta: Structure - Activity correlations |
title_fullStr |
Antifungal steroidal glycosides from the Patagonian starfish Anasterias minuta: Structure - Activity correlations |
title_full_unstemmed |
Antifungal steroidal glycosides from the Patagonian starfish Anasterias minuta: Structure - Activity correlations |
title_sort |
antifungal steroidal glycosides from the patagonian starfish anasterias minuta: structure - activity correlations |
publishDate |
2002 |
url |
https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_01633864_v65_n2_p153_Chludil http://hdl.handle.net/20.500.12110/paper_01633864_v65_n2_p153_Chludil |
work_keys_str_mv |
AT seldesaliciamarta antifungalsteroidalglycosidesfromthepatagonianstarfishanasteriasminutastructureactivitycorrelations AT maiermartasilvia antifungalsteroidalglycosidesfromthepatagonianstarfishanasteriasminutastructureactivitycorrelations |
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1768543698649350144 |