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1. (Article ID: 9544)
Liu CM, Liang X, Yao FH, Qi SH
Five new aromatic polyketides and isoquinoline alkaloids from the deep-sea-derived fungus Aspergillus puniceus SCSIO z021
Tetrahedron 126 (2022)
133067
Three new aromatic polyketides (±)-puniceusone A (1), (±)-2,3-dihydroxypropyl 6-ethyl-2,4-dihydroxy-3-methylbenzoate (2), (5-ethyl-3-hydroxy-2-methyl) phenyl-β-D-glucoside (3), and two new isoquinoline alkaloids puniceusine O (4) and (±)-puniceusine P (5), were isolated from the deep-sea-derived fungus Aspergillus puniceus SCSIO z021. Their structures were determined by spectroscopic analyses. Compound 1 contains an uncommon hydrogenated benzochromene scaffold, 3 and 4 are glycosides, and 5 is unexpectedly composed of a polysubstituted benzyl and an isoquinoline nucleus.
Structures, Aspergillus, polyketides, marine-derived fungi, isoquinoline alkaloids
Publication DOI: 10.1016/j.tet.2022.133067Journal NLM ID: 2984170RPublisher: Pergamon Press
Correspondence: S.H. Qi
scsio.ac.cn>
Institutions: CAS Key Laboratory of Tropical Marine Bio-resources and Ecology, Guangdong Key Laboratory of Marine Materia Medica, South China Sea Institute of Oceanology, Chinese Academy of Sciences, 164 West Xingang Road, Guangzhou, 510301, Guangdong, Chin
Methods: 13C NMR, 1H NMR, NMR-2D, IR, TLC, acid hydrolysis, HPLC, UV, extraction, optical rotation measurement, fermentation, HR-ESI-MS, antibacterial assay
The publication contains the following compound(s):
- Compound ID: 23266
|
b-D-Glcp-(1-1)-Subst
Subst = 5-ethyl-2-methylbenzene-1,3-diol = SMILES O{3}C1=CC(CC)=C{1}C(O)=C1C |
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Structure type: monomer
; 315.1438 [M+H]+
C15H23O7
Trivial name: (5-ethyl-3-hydroxy-2-methyl)phenyl-β-D-glucoside
Compound class: aromatic polyketide
- Compound ID: 23267
|
b-D-Glcp-(1-8)-Subst
Subst = puniceusine O aglycon = SMILES CC1={8}C(O)C(C=NC=C2)=C2C=C1OC |
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Structure type: monomer
; 352.1403 [M+H]+
C17H22O7
Trivial name: puniceusine O
Compound class: isoquinoline alkaloid
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