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A New Polysubstituted Benzaldehyde from the co-culture broth of Two Marine Fungi (Strains Nos. E33 and K38)

Author:
Wang, Jinhua, Ding, Weijia, Li, Chunyuan, Huang, Suping, She, Zhigang, Lin, Yongcheng
Source:
Chemistry of natural compounds 2013 v.49 no.5 pp. 799-802
ISSN:
0009-3130
Subject:
Gibberella zeae, Gloeosporium, Phytophthora sojae, Thanatephorus cucumeris, benzaldehyde, bioassays, coculture, marine fungi, nuclear magnetic resonance spectroscopy, South China Sea
Abstract:
A new polysubstituted benzaldehyde derivative, ethyl 5-ethoxy-2-formyl-3-hydroxy-4-methylbenzoate (1), was isolated from the co-culture broth of two mangrove fungi (strains Nos. 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 inhibited Fusarium graminearum, Gloeosporium musae, Rhizoctonia solani Kuhn, and Phytophthora sojae (Kaufmann & Gerdemann) in 12.06, 11.57, 10.21, and 8.50 mm diameters, respectively.
Agid:
615662