Two new amides from a halotolerant fungus, Myrothecium sp. GS-17
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چکیده
منابع مشابه
Polyketides from the halotolerant fungus Myrothecium sp. GS-17.
Two new polyketides, myrothecol (1) and 5-hydroxy-3-methyl-4-(1-hydroxylethyl)-furan-2(5H)-one (2), were isolated from the fermentation broth of the halotolerant fungus Myrothecium sp. GS-17 along with three known compounds, 5-hydroxyl-3-[(1S)-1-hydroxyethyl]-4-methylfuran-2(5H)-one (3), 3,5-dimethyl-4- hydroxylmethyl-5-methoxyfuran-2(5H)-one (4), and 3,5-dimethyl-4-hydroxymethyl-5- hydroxyfura...
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CH2C12. The active fractions (CC14 and CH2C12, 300mg) were pooled and subjected to a flash silica column (CHCI3 : MeOHstep gradient). The active fraction (52 mg) eluted with 95:5 CHC13:MeOHand was subjected to a second flash silica column (hexanes : EtOAc step gradient). Final purification was obtained by normal phase HPLC (Sigma-Aldrich Nucleosil Silica 5 ,am, 25.0 cmX4.6 mm) with a solvent sy...
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ژورنال
عنوان ژورنال: The Journal of Antibiotics
سال: 2014
ISSN: 0021-8820,1881-1469
DOI: 10.1038/ja.2014.136