Abstract

New compounds, 6-hydroxytoluquinol-hydrate (3, 4) (VI), terremutin-hydrate (VII), and 4-chloro-3, 6-dihydroxytoluquinone (II) were isolated from Aspergillus terreus ATCC 12238 together with terreic acid, terremutin, 3, 6-dihydroxytoluquinone, and terrein. The metabolic relationships among the metabolites were studied by administration experiments using 14C-compounds and the metabolic scheme was proposed. The metabolic pattern of"epoxy compounds (terreic acid and terremutin)→quinone (3, 6-dihydroxytoluquinone) or its quinol→hydroaromatic compound (VI)"was essentially the same as observed in Aspergillus fumigatus DH 413 and IFO 4399.

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