Xylariaides A and B, novel cytochalasans with a unique 5/6/5/3 ring system from a soil fungus Xylaria sp. Y01

Abstract Two new cytochalasans, xylariaides A (1) and B (2), were isolated and identified from a soil fungus Xylaria sp. Y01. Their structures were unambiguously determined by extensive spectroscopic methods including high resolution electrospray ionization mass spectrometry, ultraviolet radiation,...

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Main Authors: Yi-Yun Yuan, Yan Li, Wen-Yu Lu, Ai-Lin Liang, Jing Li, Wen-Xuan Wang
Format: Article
Language:English
Published: SpringerOpen 2025-04-01
Series:Natural Products and Bioprospecting
Subjects:
Online Access:https://doi.org/10.1007/s13659-025-00507-w
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author Yi-Yun Yuan
Yan Li
Wen-Yu Lu
Ai-Lin Liang
Jing Li
Wen-Xuan Wang
author_facet Yi-Yun Yuan
Yan Li
Wen-Yu Lu
Ai-Lin Liang
Jing Li
Wen-Xuan Wang
author_sort Yi-Yun Yuan
collection DOAJ
description Abstract Two new cytochalasans, xylariaides A (1) and B (2), were isolated and identified from a soil fungus Xylaria sp. Y01. Their structures were unambiguously determined by extensive spectroscopic methods including high resolution electrospray ionization mass spectrometry, ultraviolet radiation, infrared spectroscopy, and 1D/2D NMR, as well as in-depth quantum chemical calculations of gauge-including atomic orbital (GIAO) 13C NMR chemical shifts, electronic circular dichroism (ECD), and spin–spin coupling constants. The unprecedented core structure with a 5/6/5/3 fused tetracyclic ring system further enriches the scaffold types of cytochalasans. Graphical Abstract
format Article
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institution DOAJ
issn 2192-2195
2192-2209
language English
publishDate 2025-04-01
publisher SpringerOpen
record_format Article
series Natural Products and Bioprospecting
spelling doaj-art-2081d6e514ec429782749c56a8553cd62025-08-20T03:10:16ZengSpringerOpenNatural Products and Bioprospecting2192-21952192-22092025-04-0115111110.1007/s13659-025-00507-wXylariaides A and B, novel cytochalasans with a unique 5/6/5/3 ring system from a soil fungus Xylaria sp. Y01Yi-Yun Yuan0Yan Li1Wen-Yu Lu2Ai-Lin Liang3Jing Li4Wen-Xuan Wang5Xiangya School of Pharmaceutical Sciences, Central South UniversityXiangya School of Pharmaceutical Sciences, Central South UniversityXiangya School of Pharmaceutical Sciences, Central South UniversityXiangya School of Pharmaceutical Sciences, Central South UniversityXiangya School of Pharmaceutical Sciences, Central South UniversityXiangya School of Pharmaceutical Sciences, Central South UniversityAbstract Two new cytochalasans, xylariaides A (1) and B (2), were isolated and identified from a soil fungus Xylaria sp. Y01. Their structures were unambiguously determined by extensive spectroscopic methods including high resolution electrospray ionization mass spectrometry, ultraviolet radiation, infrared spectroscopy, and 1D/2D NMR, as well as in-depth quantum chemical calculations of gauge-including atomic orbital (GIAO) 13C NMR chemical shifts, electronic circular dichroism (ECD), and spin–spin coupling constants. The unprecedented core structure with a 5/6/5/3 fused tetracyclic ring system further enriches the scaffold types of cytochalasans. Graphical Abstracthttps://doi.org/10.1007/s13659-025-00507-wCytochalasinsXylaria sp.Coupling constant calculationECD calculationGIAO 13C NMR calculation
spellingShingle Yi-Yun Yuan
Yan Li
Wen-Yu Lu
Ai-Lin Liang
Jing Li
Wen-Xuan Wang
Xylariaides A and B, novel cytochalasans with a unique 5/6/5/3 ring system from a soil fungus Xylaria sp. Y01
Natural Products and Bioprospecting
Cytochalasins
Xylaria sp.
Coupling constant calculation
ECD calculation
GIAO 13C NMR calculation
title Xylariaides A and B, novel cytochalasans with a unique 5/6/5/3 ring system from a soil fungus Xylaria sp. Y01
title_full Xylariaides A and B, novel cytochalasans with a unique 5/6/5/3 ring system from a soil fungus Xylaria sp. Y01
title_fullStr Xylariaides A and B, novel cytochalasans with a unique 5/6/5/3 ring system from a soil fungus Xylaria sp. Y01
title_full_unstemmed Xylariaides A and B, novel cytochalasans with a unique 5/6/5/3 ring system from a soil fungus Xylaria sp. Y01
title_short Xylariaides A and B, novel cytochalasans with a unique 5/6/5/3 ring system from a soil fungus Xylaria sp. Y01
title_sort xylariaides a and b novel cytochalasans with a unique 5 6 5 3 ring system from a soil fungus xylaria sp y01
topic Cytochalasins
Xylaria sp.
Coupling constant calculation
ECD calculation
GIAO 13C NMR calculation
url https://doi.org/10.1007/s13659-025-00507-w
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