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Bulletin of the Korean Chemical Society (BKCS)

ISSN 0253-2964(Print)
ISSN 1229-5949(Online)
Volume 31, Number 6
BKCSDE 31(6)
June 20, 2010 

Protulactones A and B: Two New Polyketides from the Marine-derived Fungus Aspergillus sp. SF-5044
Jae Hak Sohn, Hyuncheol Oh*
Protulactone, Marine-derived fungus, Fungal metabolites, Polyketide, Aspergillus
Protulactones A (1) and B (2), two new polyketide-derived fungal metabolites, have been isolated from an EtOAc extract of the marine-derived fungus Aspergillus sp. SF-5044 by various chromatographic methods. The structures of 1 and 2 were mainly determined by analysis of the NMR spectroscopic data and MS data, along with chemical methods such as Mosher method. Protulactones A (1) and B (2) are new members of polyketide-derived secondary metabolites, possessing unique ring systems among the fungal metabolites produced by the genus Aspergillus.
1695 - 1698
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