Naphthalenones from a Perenniporia sp. Inhabiting the Larva of a Phytophagous Weevil, Euops chinesis
- 25 June 2012
- journal article
- review article
- Published by American Chemical Society (ACS) in Journal of Natural Products
- Vol. 75 (7), 1339-1345
- https://doi.org/10.1021/np300263u
Abstract
The new naphthalenone derivatives perenniporides A–D (1–4) were isolated from solid cultures of a fungus Perenniporia sp. inhabiting the larva of Euops chinesis, a phytophagous weevil with high host specificity to the medicinal plant Fallopia japonica. The structures of 1–4 were elucidated primarily by NMR experiments, and 1 was confirmed by X-ray crystallography. The absolute configuration of 1 and 2 was assigned by electronic circular dichroism (ECD) calculations, whereas that of the C-10 tertiary alcohol in 3 was deduced via the CD data of the in situ formed [Rh2(OCOCF3)4] complex and supported by the ECD data. Compound 1 showed antifungal activity against five plant pathogens.Keywords
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