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Structures of viridominic acids A and B, new chlorosis-inducing metabolites of a fungus

✍ Scribed by H. Kaise; K. Munakata; T. Sassa


Publisher
Elsevier Science
Year
1972
Tongue
French
Weight
213 KB
Volume
13
Category
Article
ISSN
0040-4039

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πŸ“œ SIMILAR VOLUMES


Structure of viridominic acid C, a new s
✍ H. Kaise; K. Munakata; T. Sassa πŸ“‚ Article πŸ“… 1972 πŸ› Elsevier Science 🌐 French βš– 221 KB

We previously reported the isolation and biological activities of viridominic acid A and c(1) , having chlorosis-inducing activity against higher plants, from the culture filtrate of the fungus No. 501-7Y (genus and species unidentified). In addition, cephalosporin PI"' was iso-

The structures of diazaquinomycins a and
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Novel substituted 1,8\_diazaanthraquinone structures of diazaquinomycins A and B were determined by the application of nmr spectroscopy. Diazaquinomycins A') (1) and B (z), produced by Streptomyces sp. OM-704, exhibit antibacterial activities against Gram-positive bacteria and are antimetabolites of

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In the course of a continuing search for indole metabolites in mycelia of Asp. rubsr, three new compounds named isoechinulin A, B and C were isolated and characterized. Based on the chemical and physicochemical evidences, the structures of these compounds have been established as 1, 2 and 2, respect

Structure of radiclonic acid, a new plan
✍ Takeshi Sassa; Toshiaki Takemura; Michimasa Ikeda; Yukichi Miura πŸ“‚ Article πŸ“… 1973 πŸ› Elsevier Science 🌐 French βš– 115 KB

Radiclonic acid, isolated from the mycelial extracts of an unidentified fungus 489-7 as a root growth-promoter, is a hydroxydienoic acid: In the present paper, structure I is assigned to 2 radiclonic acid. Radiclonic acid, C23H4C05, gave a dimethyl ester(II);UV hz$l:250 (B 9900), 232(C 9600) nm, IR