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Communication | Special issue | Vol 61, No. 1, 2003, pp.9-12
Published online, 14th April, 2003
DOI: 10.3987/COM-03-S5
2-Amino-5-hydroxyhexanoic Acid and Its Succinyl Derivatives as Their Lactone Forms from Kobutorisou, an Antagonizing Plant to Nematode

Tadahiro Kato,* Kenji Fujisawa, and Yuuki Shimizu

*Department of Chemistry, Faculty of Science, Tokyo University of Science, Kagurazaka 1-3, Shinjuku-ku, Tokyo 162-8601, Japan

Abstract

Minute amounts of 2-acetylamino-5-hydroxyhexanoic acid (1) and its succinyl derivatives (2a) and (2b) as their lactones, and 2,3-diacetoxy-2-methyl- butanolide (3) were isolated from kobutorisou, an antagonizing plant to nematode, after Ac2O-treatment of the anti-nematode fraction of extracts of kobutorisou.