Al Subeh ZY, Raja HA, Burdette JE, Falkinham JO, Hemby SE, Oberlies NH. Three diketomorpholines from a Penicillium sp. (strain G1071).
Phytochemistry 2021;
189:112830. [PMID:
34157637 PMCID:
PMC8292221 DOI:
10.1016/j.phytochem.2021.112830]
[Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/11/2021] [Revised: 06/03/2021] [Accepted: 06/04/2021] [Indexed: 06/13/2023]
Abstract
Three previously undescribed diketomorpholine natural products, along with the known phenalenones, herqueinone and norherqueinone, were isolated from the mycoparasitic fungal strain G1071, which was identified as a Penicillium sp. in the section Sclerotiora. The structures were established by analyzing NMR data and mass spectrometry fragmentation patterns. The absolute configurations of deacetyl-javanicunine A, javanicunine C, and javanicunine D, were assigned by examining ECD spectra and Marfey's analysis. The structural diversity generated by this fungal strain was interesting, as only a few diketomorpholines (~17) have been reported from nature.
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