Metabolic Products of Fungi. XXII. On Ustilaginoidins. (2). The Structure of Ustilaginoidin A.

Shoji Shibata, Yukio Ogihara, Akihiro Ohta

Chemical and Pharmaceutical Bulletin · 1963 · 25 citations · 0 references

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Abstract

Ustilaginoidin A has been formulated as 2, 2'-dimethyl-5, 5', 6, 6', 8, 8'-hexahydroxy-9, 9'-bis (4H-naphtho [2, 3-b] pyran-4-one) on the basis of the infrared and nuclear magnetic resonance spectral analyses of ustilaginoidin A and its degradation products, product A and product B and their derivatives.