Cyclopentenone and wickerol derivatives from the marine algicolous fungus Trichoderma atroviride A-YMD-9-4

A new cyclopentenone derivative, 4-hydroxyhypocrenone A, and a new naturally-occurring wickerol derivative, 8-acetoxywickerol A, as well as two known compounds, hypocrenone A and wickerol B, were purified from Trichoderma atroviride A-YMD-9-4, an endophytic fungus isolated from the marine red alga G...

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Published inNatural product research Vol. 37; no. 2; pp. 277 - 282
Main Authors Yin, Xiu-Li, Song, Yin-Ping, Liu, Xiang-Hong, Ji, Nai-Yun
Format Journal Article
LanguageEnglish
Published England Taylor & Francis 17.01.2023
Taylor & Francis Ltd
Subjects
Absolute configuration
Chemical compounds
Configurations
cyclopentenone
Endophytes
Fungi
hypocrenone
Molecular Structure
NMR
Nuclear magnetic resonance
Phytoplankton
Quantum chemistry
Trichoderma
Trichoderma - chemistry
Trichoderma atroviride
wickerol
hypocrenone
Trichoderma
cyclopentenone
wickerol
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Summary:A new cyclopentenone derivative, 4-hydroxyhypocrenone A, and a new naturally-occurring wickerol derivative, 8-acetoxywickerol A, as well as two known compounds, hypocrenone A and wickerol B, were purified from Trichoderma atroviride A-YMD-9-4, an endophytic fungus isolated from the marine red alga Gracilaria verrucosa. The structures and relative configurations of two new isolates were established by a combination of 1 D/2D NMR, IR, and mass spectroscopic methods, and the absolute configuration of 1 was assigned on the basis of ECD data analyzed by quantum chemical calculations. Compounds 1 and 2 exhibited weak inhibition of one or two marine phytoplankton species.
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ISSN:1478-6419
1478-6427
DOI:10.1080/14786419.2021.1969568