Bipolenins K-N: new sesquiterpenoids from the fungal plant pathogen Bipolaris sorokiniana

Chin-Soon Phan, Hang Li, Simon Kessler, Peter S. Solomon, Andrew M. Piggott*, Yit-Heng Chooi

*Corresponding author for this work

    Research output: Contribution to journalArticlepeer-review

    8 Citations (Scopus)
    5 Downloads (Pure)

    Abstract

    Chemical investigation of the barley and wheat fungal pathogen Bipolaris sorokiniana BRIP10943 yielded four new sativene-type sesquiterpenoid natural products, bipolenins K-N (1-4), together with seven related known analogues (5-11), and a sesterterpenoid (12). Their structures were determined by detailed analysis of spectroscopic data, supported by TDDFT calculations and comparison with previously reported analogues. These compounds were evaluated for their phytotoxic activity against wheat seedlings and wheat seed germination. The putative biosynthetic relationships between the isolated sesquiterpenoids were also explored.

    Original languageEnglish
    Pages (from-to)2020-2028
    Number of pages9
    JournalBeilstein Journal of Organic Chemistry
    Volume15
    DOIs
    Publication statusPublished - 26 Aug 2019

    Bibliographical note

    Copyright the Author(s) 2019. Version archived for private and non-commercial use with the permission of the author/s and according to publisher conditions. For further rights please contact the publisher.

    Keywords

    • Bipolaris sorokiniana
    • phytotoxicity
    • sesquiterpenes
    • terpenes

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