Patagonicosides B and C, two antifungal sulfated triterpene glycosides from the sea cucumber Psolus patagonicus
Two new triterpene glycosides, patagonicosides B and C (2 and 3, resp.), together with the known patagonicoside A (1), have been isolated from the EtOH extract of the sea cucumber Psolus patagonicus. The structures of the new compounds were established on the basis of extensive NMR spectroscopic ana...
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Acceso en línea: | https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_16121872_v8_n3_p467_Careaga http://hdl.handle.net/20.500.12110/paper_16121872_v8_n3_p467_Careaga |
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paper:paper_16121872_v8_n3_p467_Careaga2023-06-08T16:25:12Z Patagonicosides B and C, two antifungal sulfated triterpene glycosides from the sea cucumber Psolus patagonicus Careaga Quiroga, Valeria P. Maier, Marta Silvia (3beta,12alpha,17alpha) 12,17 dihydroxy 18 ox -18,20 epoxylanosta 7,25 dien 3 yl 3 o methyl beta dextro glucopyranosyl(1-3) beta dextro xylopyranosyl(1-4) 6 deoxy beta dextro glucopyranosyl(1-2) beta dextro xylopyranoside (3beta,12alpha,17alpha) 12,17 dihydroxy 18 oxo 18,20 epoxylanosta 7 en 3 yl 3 o methyl beta dextro glucopyranosyl(1-3) beta dextro glucopyranosyl(1-4) 6 deoxy beta dextro glucopyranosyl(1-2) beta dextro xylopyranoside alcohol antifungal agent glycoside patagonicoside a patagonicoside b patagonicoside c triterpene derivative unclassified drug antifungal activity article carbon nuclear magnetic resonance Cladosporium Cladosporium cladosporoides controlled study drug isolation drug structure drug transformation electrospray mass spectrometry fractionation heteronuclear multiple bond correlation heteronuclear single quantum coherence nonhuman nuclear magnetic resonance spectroscopy nuclear Overhauser effect proton nuclear magnetic resonance Psolus patagonicus sea cucumber solvolysis sulfation Animals Antifungal Agents Cladosporium Dose-Response Relationship, Drug Glycosides Microbial Sensitivity Tests Molecular Conformation Sea Cucumbers Stereoisomerism Structure-Activity Relationship Triterpenes Cladosporium cladosporioides Fungi Holothuroidea Psolus Two new triterpene glycosides, patagonicosides B and C (2 and 3, resp.), together with the known patagonicoside A (1), have been isolated from the EtOH extract of the sea cucumber Psolus patagonicus. The structures of the new compounds were established on the basis of extensive NMR spectroscopic analysis ( 1H- and 13C-NMR, 1H, 1H-COSY, HMBC, HSQC, TOCSY, and NOESY), HR-ESI-MS data, and chemical transformations. Compounds 1-3 and their desulfated analogs showed antifungal activities against the phytopathogenic fungus Cladosporium cladosporoides in a dose-dependent fashion. © 2011 Verlag Helvetica Chimica Acta AG. Fil:Careaga, V.P. 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. 2011 https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_16121872_v8_n3_p467_Careaga http://hdl.handle.net/20.500.12110/paper_16121872_v8_n3_p467_Careaga |
institution |
Universidad de Buenos Aires |
institution_str |
I-28 |
repository_str |
R-134 |
collection |
Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA) |
topic |
(3beta,12alpha,17alpha) 12,17 dihydroxy 18 ox -18,20 epoxylanosta 7,25 dien 3 yl 3 o methyl beta dextro glucopyranosyl(1-3) beta dextro xylopyranosyl(1-4) 6 deoxy beta dextro glucopyranosyl(1-2) beta dextro xylopyranoside (3beta,12alpha,17alpha) 12,17 dihydroxy 18 oxo 18,20 epoxylanosta 7 en 3 yl 3 o methyl beta dextro glucopyranosyl(1-3) beta dextro glucopyranosyl(1-4) 6 deoxy beta dextro glucopyranosyl(1-2) beta dextro xylopyranoside alcohol antifungal agent glycoside patagonicoside a patagonicoside b patagonicoside c triterpene derivative unclassified drug antifungal activity article carbon nuclear magnetic resonance Cladosporium Cladosporium cladosporoides controlled study drug isolation drug structure drug transformation electrospray mass spectrometry fractionation heteronuclear multiple bond correlation heteronuclear single quantum coherence nonhuman nuclear magnetic resonance spectroscopy nuclear Overhauser effect proton nuclear magnetic resonance Psolus patagonicus sea cucumber solvolysis sulfation Animals Antifungal Agents Cladosporium Dose-Response Relationship, Drug Glycosides Microbial Sensitivity Tests Molecular Conformation Sea Cucumbers Stereoisomerism Structure-Activity Relationship Triterpenes Cladosporium cladosporioides Fungi Holothuroidea Psolus |
spellingShingle |
(3beta,12alpha,17alpha) 12,17 dihydroxy 18 ox -18,20 epoxylanosta 7,25 dien 3 yl 3 o methyl beta dextro glucopyranosyl(1-3) beta dextro xylopyranosyl(1-4) 6 deoxy beta dextro glucopyranosyl(1-2) beta dextro xylopyranoside (3beta,12alpha,17alpha) 12,17 dihydroxy 18 oxo 18,20 epoxylanosta 7 en 3 yl 3 o methyl beta dextro glucopyranosyl(1-3) beta dextro glucopyranosyl(1-4) 6 deoxy beta dextro glucopyranosyl(1-2) beta dextro xylopyranoside alcohol antifungal agent glycoside patagonicoside a patagonicoside b patagonicoside c triterpene derivative unclassified drug antifungal activity article carbon nuclear magnetic resonance Cladosporium Cladosporium cladosporoides controlled study drug isolation drug structure drug transformation electrospray mass spectrometry fractionation heteronuclear multiple bond correlation heteronuclear single quantum coherence nonhuman nuclear magnetic resonance spectroscopy nuclear Overhauser effect proton nuclear magnetic resonance Psolus patagonicus sea cucumber solvolysis sulfation Animals Antifungal Agents Cladosporium Dose-Response Relationship, Drug Glycosides Microbial Sensitivity Tests Molecular Conformation Sea Cucumbers Stereoisomerism Structure-Activity Relationship Triterpenes Cladosporium cladosporioides Fungi Holothuroidea Psolus Careaga Quiroga, Valeria P. Maier, Marta Silvia Patagonicosides B and C, two antifungal sulfated triterpene glycosides from the sea cucumber Psolus patagonicus |
topic_facet |
(3beta,12alpha,17alpha) 12,17 dihydroxy 18 ox -18,20 epoxylanosta 7,25 dien 3 yl 3 o methyl beta dextro glucopyranosyl(1-3) beta dextro xylopyranosyl(1-4) 6 deoxy beta dextro glucopyranosyl(1-2) beta dextro xylopyranoside (3beta,12alpha,17alpha) 12,17 dihydroxy 18 oxo 18,20 epoxylanosta 7 en 3 yl 3 o methyl beta dextro glucopyranosyl(1-3) beta dextro glucopyranosyl(1-4) 6 deoxy beta dextro glucopyranosyl(1-2) beta dextro xylopyranoside alcohol antifungal agent glycoside patagonicoside a patagonicoside b patagonicoside c triterpene derivative unclassified drug antifungal activity article carbon nuclear magnetic resonance Cladosporium Cladosporium cladosporoides controlled study drug isolation drug structure drug transformation electrospray mass spectrometry fractionation heteronuclear multiple bond correlation heteronuclear single quantum coherence nonhuman nuclear magnetic resonance spectroscopy nuclear Overhauser effect proton nuclear magnetic resonance Psolus patagonicus sea cucumber solvolysis sulfation Animals Antifungal Agents Cladosporium Dose-Response Relationship, Drug Glycosides Microbial Sensitivity Tests Molecular Conformation Sea Cucumbers Stereoisomerism Structure-Activity Relationship Triterpenes Cladosporium cladosporioides Fungi Holothuroidea Psolus |
description |
Two new triterpene glycosides, patagonicosides B and C (2 and 3, resp.), together with the known patagonicoside A (1), have been isolated from the EtOH extract of the sea cucumber Psolus patagonicus. The structures of the new compounds were established on the basis of extensive NMR spectroscopic analysis ( 1H- and 13C-NMR, 1H, 1H-COSY, HMBC, HSQC, TOCSY, and NOESY), HR-ESI-MS data, and chemical transformations. Compounds 1-3 and their desulfated analogs showed antifungal activities against the phytopathogenic fungus Cladosporium cladosporoides in a dose-dependent fashion. © 2011 Verlag Helvetica Chimica Acta AG. |
author |
Careaga Quiroga, Valeria P. Maier, Marta Silvia |
author_facet |
Careaga Quiroga, Valeria P. Maier, Marta Silvia |
author_sort |
Careaga Quiroga, Valeria P. |
title |
Patagonicosides B and C, two antifungal sulfated triterpene glycosides from the sea cucumber Psolus patagonicus |
title_short |
Patagonicosides B and C, two antifungal sulfated triterpene glycosides from the sea cucumber Psolus patagonicus |
title_full |
Patagonicosides B and C, two antifungal sulfated triterpene glycosides from the sea cucumber Psolus patagonicus |
title_fullStr |
Patagonicosides B and C, two antifungal sulfated triterpene glycosides from the sea cucumber Psolus patagonicus |
title_full_unstemmed |
Patagonicosides B and C, two antifungal sulfated triterpene glycosides from the sea cucumber Psolus patagonicus |
title_sort |
patagonicosides b and c, two antifungal sulfated triterpene glycosides from the sea cucumber psolus patagonicus |
publishDate |
2011 |
url |
https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_16121872_v8_n3_p467_Careaga http://hdl.handle.net/20.500.12110/paper_16121872_v8_n3_p467_Careaga |
work_keys_str_mv |
AT careagaquirogavaleriap patagonicosidesbandctwoantifungalsulfatedtriterpeneglycosidesfromtheseacucumberpsoluspatagonicus AT maiermartasilvia patagonicosidesbandctwoantifungalsulfatedtriterpeneglycosidesfromtheseacucumberpsoluspatagonicus |
_version_ |
1768546556264316928 |