Metabolic products of Aspergillus terreus. V. Demethylation of asterriquinones.
Open Access
- 1 January 1981
- journal article
- Published by Pharmaceutical Society of Japan in CHEMICAL & PHARMACEUTICAL BULLETIN
- Vol. 29 (4) , 991-999
- https://doi.org/10.1248/cpb.29.991
Abstract
Demethylation of asterriquinones (AQ, bisindolyl-dimethoxyl benzoquinones) was investigated in connection with the determination of their structures and studies of their antitumor activity. Usually, the demethylation proceeded smoothly with KOH, but several types of side reactions were observed with acidic reagentsKeywords
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