The Journal of Antibiotics
Online ISSN : 1881-1469
Print ISSN : 0021-8820
ISSN-L : 0021-8820
LEPTOMYCINS A AND B, NEW ANTIFUNGAL ANTIBIOTICS
II. STRUCTURE ELUCIDATION
TETSUO HAMAMOTOHARUO SETOTERUHIKO BEPPU
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1983 Volume 36 Issue 6 Pages 646-650

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Abstract

The structures of new antifungal antibiotics, leptomycins A and B produced by Streptomyces sp. ATS1287 were determined as described below (Fig. 1) on the basis of their spectral and chemical character. Leptomycins have unique structures which belong to the unsaturated, branched-chain fatty acids with δ-lactone rings at the end.

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© Japan Antibiotics Research Association
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