Novel antiinsectan oxalicine alkaloids from two undescribed fungicolous Penicillium spp.

被引:59
|
作者
Zhang, YC
Li, C
Swenson, DC
Gloer, JB [1 ]
Wicklow, DT
Dowd, PF
机构
[1] Univ Iowa, Dept Chem, Iowa City, IA 52242 USA
[2] USDA ARS, Natl Ctr Agr Utilizat Res, Mycotoxin Unit, Peoria, IL 61604 USA
[3] USDA ARS, Natl Ctr Agr Utilizat Res, Crop Bioprotect Res Unit, Peoria, IL 61604 USA
关键词
D O I
10.1021/ol0340686
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
[GRAPHICS] 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).
引用
收藏
页码:773 / 776
页数:4
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