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Naphthoquinone-like polyketide isolated from Streptomyces sp. RI-77 and its predicted biosynthetic pathway

Journal of Natural Products, ISSN: 0163-3864, Vol: 74, Issue: 12, Page: 2588-2591
2011
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Article Description

A novel naphthoquinone-like polyketide, JBIR-85 (1), with a unique skeleton and antioxidative activity was isolated from a culture of Streptomyces sp. RI-77. The planar structure of 1 was established on the basis of extensive NMR and MS analyses. The structure of 1 including the absolute configuration was established via X-ray crystallographic analysis. Since 1 exhibits a unique skeleton, we performed feeding experiments to reconfirm the structure and predict the biosynthetic pathway. © 2011 The American Chemical Society and American Society of Pharmacognosy.

Bibliographic Details

Izumikawa, Miho; Satou, Ryutaro; Motohashi, Keiichiro; Nagai, Aya; Ohnishi, Yasuo; Takagi, Motoki; Shin-ya, Kazuo

American Chemical Society (ACS)

Chemistry; Biochemistry, Genetics and Molecular Biology; Pharmacology, Toxicology and Pharmaceutics; Medicine

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