Macrosphelide, a Novel Inhibitor of Cell-cell Adhesion Molecule II. Physicochemical Properties and Structural Elucidation

SATOSHI TAKAMATSU; YONG-PIL KIM; MASAHIKO HAYASHI; HIDEMI HIRAOKA; MASAHIKO NATORI; KANKI KOMIYAMA; SATOSHI OMURA

doi:10.7164/antibiotics.49.95

Macrosphelide, a Novel Inhibitor of Cell-cell Adhesion Molecule

II. Physicochemical Properties and Structural Elucidation

SATOSHI TAKAMATSU, YONG-PIL KIM, MASAHIKO HAYASHI, HIDEMI HIRAOKA, MASAHIKO NATORI, KANKI KOMIYAMA, SATOSHI OMURA

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ジャーナルフリー

1996 年 49 巻 1 号 p. 95-98

DOI https://doi.org/10.7164/antibiotics.49.95

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抄録

New anticell-adherence compounds, macrosphelides A and B, were isolated from the fermentation broth of Microsphaeropsis sp. FO-5050, and their structures were elucidated by spectroscopic methods and by chemical transformations. Macrosphelides A (M.W. 342, C₁₆H₂₂O₈) and B (M.W. 340, C16H₂₀O₈) with three esters in their molecules were classified as 16-membered macrocyclic compounds. Macrosphelide B was found to be a corresponding oxidative product of macrosphelide A at the C-14 position.

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