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  • Title: Novel antiinsectan oxalicine alkaloids from two undescribed fungicolous Penicillium spp.
    Author: Zhang Y, Li C, Swenson DC, Gloer JB, Wicklow DT, Dowd PF.
    Journal: Org Lett; 2003 Mar 06; 5(5):773-6. PubMed ID: 12605512.
    Abstract:
    15-Deoxyoxalicine B (1) and decaturins A (2) and B (3) have been isolated from Penicillium decaturense and Penicillium thiersii, two previously undescribed species obtained as colonists of wood-decay fungi. The structures were determined by 2D NMR experiments and/or single-crystal X-ray diffraction analysis. These compounds are members of a rare structural class, and decaturins A and B feature a new polycyclic ring system. Decaturin B (3) exhibited potent antiinsectan activity against the fall armyworm (Spodoptera frugiperda).
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