Daldiniaeschsone A, a Rare Tricyclic Polyketide Having a Chromone Unit Fused to a δ -Lactone and Its Symmetrical Biphenyl Dimer, Daldiniaeschsone B, from an Endophytic Fungus Daldinia eschscholtzii SDBR-CMUNKC745

Daldiniaeschsone A ( ), a rare tricyclic polyketide having a chromone unit fused to a -lactone and its symmetrical 6,6'-biphenyl dimer, daldiniaeschsone B ( ), together with three known compounds ( - ), were isolated from a plant-derived endophytic fungus, SDBR-CMUNKC745. Their structures were...

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Published in:Journal of fungi (Basel) 2021-05, Vol.7 (5), p.358
Main Authors: Wutthiwong, Natnicha, Suthiphasilp, Virayu, Pintatum, Aknarin, Suwannarach, Nakarin, Kumla, Jaturong, Lumyong, Saisamorn, Maneerat, Tharakorn, Charoensup, Rawiwan, Cheenpracha, Sarot, Limtharakul, Thunwadee, Pyne, Stephen G, Laphookhieo, Surat
Format: Article
Language:English
Subjects:
Biphenyl
biphenyl dimer
chromone
Daldinia
Daldinia eschscholtzii SDBR-CMUNKC745
Endophytes
Fungi
Metabolites
Microorganisms
Natural products
NMR
Nuclear magnetic resonance
Plants
Ribosomal DNA
RNA polymerase
tricyclic polyketide
α-Glucosidase
α-glucosidase inhibitory activity
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container_issue 5
container_start_page 358
container_title Journal of fungi (Basel)
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creator Wutthiwong, Natnicha
Suthiphasilp, Virayu
Pintatum, Aknarin
Suwannarach, Nakarin
Kumla, Jaturong
Lumyong, Saisamorn
Maneerat, Tharakorn
Charoensup, Rawiwan
Cheenpracha, Sarot
Limtharakul, Thunwadee
Pyne, Stephen G
Laphookhieo, Surat
description Daldiniaeschsone A ( ), a rare tricyclic polyketide having a chromone unit fused to a -lactone and its symmetrical 6,6'-biphenyl dimer, daldiniaeschsone B ( ), together with three known compounds ( - ), were isolated from a plant-derived endophytic fungus, SDBR-CMUNKC745. Their structures were elucidated by extensive 1D and 2D NMR spectroscopic data and HRESIMS. All compounds showed -glucosidase inhibitory activity with IC values ranging from 0.16-0.85 mM and compound was the best -glucosidase inhibitory activity (IC = 0.16 mM).
doi_str_mv 10.3390/jof7050358
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subjects Biphenyl
biphenyl dimer
chromone
Daldinia
Daldinia eschscholtzii SDBR-CMUNKC745
Endophytes
Fungi
Metabolites
Microorganisms
Natural products
NMR
Nuclear magnetic resonance
Plants
Ribosomal DNA
RNA polymerase
tricyclic polyketide
α-Glucosidase
α-glucosidase inhibitory activity
title Daldiniaeschsone A, a Rare Tricyclic Polyketide Having a Chromone Unit Fused to a δ -Lactone and Its Symmetrical Biphenyl Dimer, Daldiniaeschsone B, from an Endophytic Fungus Daldinia eschscholtzii SDBR-CMUNKC745
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