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New macrolactones from the defensive salivary secretion of soldiers of the African termite Pseudacanthotermes spiniger.

par Plasman, Valérie ;Daloze, Désiré ;Braekman, Jean Claude ;Connétable, Sophie;Robert, Alain;Bordereau, Christian
Référence Tetrahedron letters, 40, 52, page (9229-9232)
Publication Publié, 1999-12

Article révisé par les pairs

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Résumé :

The salivary defensive secretion of large soldier termites of the species Pseudacanthotermes spiniger contains two novel macrocyclic lactones [22-keto-hexacosanolide (2) and 2-hydroxy-24-keto-octacosanolide (3)] together with the already known macrolactone hexacosanolide (1). In addition, the secretion contains important amounts of a polysaccharide based mainly upon β-glucopyranose, β-glucosamine and N-acetyl-β-glucosamine in equal amount.