Naphtho‐ γ ‐pyrones from Endophyte  Aspergillus niger  Occurring in the Liverwort  Heteroscyphus tener  ( Steph .)  Schiffn . | Zendy

Li XiaoBin | Zendy; Xie Fei | Zendy; Liu ShanShan | Zendy; Li Ying | Zendy; Zhou JinChuan | Zendy; Liu YongQing | Zendy; Yuan HuiQing | Zendy; Lou HongXiang | Zendy

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Naphtho‐ γ ‐pyrones from Endophyte Aspergillus niger Occurring in the Liverwort Heteroscyphus tener ( Steph .) Schiffn .

Author(s) -

Li XiaoBin,

Xie Fei,

Liu ShanShan,

Li Ying,

Zhou JinChuan,

Liu YongQing,

Yuan HuiQing,

Lou HongXiang

Publication year - 2013

Publication title -

chemistry and biodiversity

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.427

H-Index - 70

eISSN - 1612-1880

pISSN - 1612-1872

DOI - 10.1002/cbdv.201300042

Subject(s) - chemistry , aspergillus niger , endophyte , stereochemistry , fungus , aspergillus , plant use of endophytic fungi in defense , botany , biochemistry , biology

Bioactivity‐guided fractionation of the cytotoxic extract of Aspergillus niger , an endophytic fungus from the Chinese liverwort Heteroscyphus tener ( Steph .) Schiffn ., afforded five new naphtho‐ γ ‐pyrones, rubrofusarin‐6‐ O ‐ α ‐ D ‐ ribofuranoside ( 1 ), ( R )‐10‐(3‐succinimidyl)‐TMC‐256A1 ( 2 ), asperpyrone E ( 3 ), isoaurasperone A ( 4 ), and isoaurasperone F ( 5 ), as well as four known ones, dianhydroaurasperone C ( 6 ), aurasperone D ( 7 ), asperpyrone D ( 8 ), and asperpyrone A ( 9 ), together with a cytotoxic cyclic pentapeptide, malformin A 1 ( 10 ). Their structures were determined by extensive spectroscopic analysis. The absolute configurations of dimeric naphtho‐ γ ‐pyrones 3 – 9 were also determined by analysis of their respective CD spectra.

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