Citation
Cheenpracha, Sarot and Borris, Robert P. and Tran, Tammy T. and Jee, Jap Meng and Seow, Heng Fong and Cheah, Hwen Yee and Ho, Coy Choke and Chang, Leng Chee
(2011)
Three new amides from Streptomyces sp. H7372.
Journal of the Brazilian Chemical Society, 22 (2).
pp. 223-229.
ISSN 0103-5053; ESSN: 1678-4790
Abstract
Three new amides, methyl phenatate A (1), actiphenamide (2) and actiphenol 1-β-D- glucopyranoside (3), along with thirteen known compounds, were isolated from the organic extract of a fermentation culture of Streptomyces sp. H7372. The structures were elucidated by spectroscopic methods including 1D- and 2D-NMR techniques, and MS analyses. Cycloheximide (6) and cyclo(δAla-L- Val) (8) gave a clear zone of inhibition of Ras-Raf-1 interaction in the yeast two- hybrid assay which showed high potency with 10 and 25 mm clear ZOIs on SD His - and inactive on SD His + at 2.5 μg per disk, respectively.
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