Sequoiamonascins A-D: Novel anticancer metabolites isolated from a redwood endophyte

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Abstract

Aspergillus parasiticus, a fungal isolate from the bark of a redwood tree (Sequoia sempervirens), has been shown to produce the antitumor metabolites sequoiatones A and B and more recently the sequoiatones C-F. We have also isolated another series of compounds with a new carbon skeleton, the sequoiamonascins. The structures of sequoiamonascins A-D were deduced by interpretation of their spectral data and that of some reaction products. The sequoiamonascins were isolated by brine shrimp lethality-guided fractionation and were submitted to the NCI for anticancer evaluation.

Original languageEnglish
Pages (from-to)4966-4969
Number of pages4
JournalJournal of Organic Chemistry
Volume68
Issue number12
DOIs
StatePublished - Jun 13 2003

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