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A New Coumarin Produced by Mixed Fermentation of Two Marine Fungi

Author:
Wang, Jinhua, Huang, Song, Li, Chunyuan, Ding, Weijia, She, Zhigang, Li, Caili
Source:
Chemistry of natural compounds 2015 v.51 no.2 pp. 239-241
ISSN:
0009-3130
Subject:
Fusarium graminearum, Gloeosporium, Phytophthora sojae, Thanatephorus cucumeris, bioassays, chemistry, coasts, coumarin, culture media, fermentation, marine fungi, nuclear magnetic resonance spectroscopy, South China Sea
Abstract:
A new coumarin, 7-(γ,γ-dimethylallyloxy)-6-hydroxy-4-methylcoumarin (1), was isolated from the mixed fermentation broth of two mangrove fungi (strain No. K38 and E33) isolated from the South China Sea coast. The structure of 1 was determined by comprehensive spectroscopic methods, especially 2D NMR techniques. Primary bioassays showed that compound 1 at 0.25 mM has no inhibitory activity against Fusarium graminearum, Gloeosporium musae, Rhizoctonia solani, and Phytophthora sojae.
Agid:
1240242