Plant Constituents Biologically Active to Insects. V. Antifeedants for the Larvae of the Yellow Butterfly, Eurema hecabe mandarina, in Osmunda japonica. (1)

概要

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Three compounds having antifeeding activities for the larvae of the yellow butterfly, Eurema hecabe mandarina DE L'ORZA, were isolated from Osmunda japonica THUNB. These compounds were identified as (4R, 5S)-osmundalactone (II), (4R, 5S)-5-hydroxy-2-hexen-4-olide (III) and succinic acid (V), of which the former is the main antifeedant in this plant. (4R, 5S)-5-Hydroxyhexan-4-olide (I) and (3S, 5S)-3-hydroxyhexan-5-olide (IV) were isolated in addition to the antifeedants, and various sterols, fatty alcohols and fatty acid esters were obtained as a mixture. This is the first report of the occurrence of I, II and III as natural products, though they have been artificially prepared.
社団法人日本薬学会の論文
1984-07-25