Sterepinic Acids A–C, New Carboxylic Acids Produced by a Marine Alga-Derived Fungus

Autor: Takashi Kikuchi, Miwa Matsuda, Megumi Hirose, Mayuko Seki, Takeshi Yamada
Jazyk: angličtina
Rok vydání: 2018
Předmět:
Zdroj: Molecules
Volume 23
Issue 6
Molecules, Vol 23, Iss 6, p 1336 (2018)
Molecules : A Journal of Synthetic Chemistry and Natural Product Chemistry
ISSN: 1420-3049
DOI: 10.3390/molecules23061336
Popis: Sterepinic acids A&ndash
C (1&ndash
3), new carboxylic acids with two primary alcohols, have been isolated from a fungal strain of Stereum sp. OUPS-124D-1 attached to the marine alga Undaria pinnatifida. Dihydro-1,5-secovibralactone (4), a new vibralactone derivative, was isolated from the same fungal metabolites together with known vibralactone A (5), and 1,5-secovibralactone (6). The planar structures of these compounds have been elucidated by spectroscopic analyses using IR, HRFABMS, and NMR spectra. To determine the absolute configuration of the compounds, we used the phenylglycine methyl ester (PGME) method. These compounds exhibited less activity in the cytotoxicity assay against cancer cell lines.
Databáze: OpenAIRE
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