Metabolic Products of Fungi. XXI. On Ustilaginoidins. (1). The Reactions of Ustilaginoidin A.

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概要

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• An orange red pigment, ustilaginoidin A, C_<28>H_<18>O_<10>, m.p. >300°, [α]_D -384° (dioxane), was isolated from false the smutted ball growing on rice spike. It has been shown that ustilaginoidin A possesses two hindered and four unhindered hydroxyls giving tetraacetate, tetrabenzoate, and hexamethyl ether. On alkaline degradation, ustilaginoidin A gave unstable product A and acetone. The product A afforded peracetate, C_<36>H_<30>O_<16>, and permethyl ether, C_<28>H_<30>O_<8・> Ustilaginoidin A hexamethyl ether yielded product B, C_<30>H_<30>O_<10>, on alkaline degradation, which gave diacetate and dimethyl ether. The ultraviolet spectral study has suggested a close structural correlation between the product A and 1,1'-binaphthalene or 1-phenylnaphthalene.

• 公益社団法人日本薬学会の論文
• 1963-09-25

著者

• 太田 明広

  Faculty Of Pharmaceutical Sciences University Of Tokyo:institute For Physical And Chemical Research

• 柴田 承二

  Shibata Laboratory of Natural Medicinal Materials

• 柴田 承二

  Faculty of Pharmaceutical Sciences, University of Tokyo

• 荻原 幸夫

  Faculty of Pharmaceutical Sciences, Nagoya City University

• 荻原 幸夫

  Faculty Of Pharmaceutical Sciences Nagoya City University

• 柴田 承二

  Faculty Of Pharmaceutical Sciences University Of Tokyo

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