Structures of Allosamidins, Novel Insect Chitinase Inhibitors, Produced by Actinomycetes

Shohei SAKUDA; Akira ISOGAI; Tsukasa MAKITA; Shogo MATSUMOTO; Koshi KOSEKI; Hisashi KODAMA; Akinori SUZUKI

doi:10.1271/bbb1961.51.3251

Agricultural and Biological Chemistry

Online ISSN : 1881-1280
Print ISSN : 0002-1369
ISSN-L : 0002-1369

Structures of Allosamidins, Novel Insect Chitinase Inhibitors, Produced by Actinomycetes

Shohei SAKUDA, Akira ISOGAI, Tsukasa MAKITA, Shogo MATSUMOTO, Koshi KOSEKI, Hisashi KODAMA, Akinori SUZUKI

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JOURNAL FREE ACCESS

1987 Volume 51 Issue 12 Pages 3251-3259

DOI https://doi.org/10.1271/bbb1961.51.3251

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Abstract

The structures of allosamidin (1) and methylallosamidin (2), novel insect chitinase inhibitors, were elucidated as 1 and 2 by acid hydrolysis experiments and analyses of 2D-NMR spectra. They are unique basic pseudotrisaccharides consisting of 2-acetamido-2-deoxy-D-allose (N-acetyl-D-allosamine) and a novel aminocyclitol derivative (3), termed allosamizoline.

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