3,8-ETHERS OF LACTARANE SESQUITERPENES

Article abstract of DOI:10.1016/0031-9422(93)85166-O

An ethanol extract of Lactarius necator gave 3,8-oxa-13-hydroxy-lactar-6-en-5-oic acid γ-lactone and furanether A, besides other known sesquiterpenes.Syntheses of these internal ethers, as well as the 13-oxa-lactonic analogue, were performed.The antifeedant properties of the internal ethers measured against the storage pests Tribolium confusum, Trogoderma granarium and Sitophylus granarius are reported.Key Word Index: Lactarius necator; Basidiomycetes; fruiting body, lactarane 3,8-ethers; antifeedant activity, storage pests: Tribolium confusum, Trogoderma granarium, Sitophylus granarius.