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ID: ALA1134911
Journal: Bioorg Med Chem Lett
Title: Nodulisporic acid B, B1, and B2: a series of 1'-deoxy-nodulisporic acids from Nodulisporium sp.
Authors: Ondeyka JG, Dahl-Roshak AM, Tkacz JS, Zink DL, Zakson-Aiken M, Shoop WL, Goetz MA, Singh SB.
Abstract: During the re-isolation of the lead compound nodulisporic acid A (1a) and targeted chemical screening for related compounds, we discovered a series of 1'-deoxy congeners named herein nodulisporic acids B (1b), B1 (2b), and B2 (3b). In comparison with nodulisporic acid A, these compounds were less active and were chemically unstable resulting into formation of delta23 dehydro derivatives. Therefore, these compounds were stabilized and isolated as sodium salts and methyl ester. Nodulisporic acid B is 100-fold less active than nodulisporic acid A against fleas. The isolation, structure elucidation, and biological activities of these compounds are described.
CiteXplore: 12270179