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New macrolactones from the defensive salivary secretion of soldiers of the african termite Pseudacanthotermes spiniger |
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| Authors: | Valrie Plasman Dsir Daloze Jean-Claude Braekman Sophie Conntable Alain Robert Christian Bordereau |
| Institution: | aLaboratoire de Chimie Bioorganique, CP 160/07, Service de Chimie Organique, Université Libre de Bruxelles, 50 Av. F. Roosevelt, 1050 Bruxelles, Belgique bCNRS UMR 5548, Développement - Communication chimique, Université de Bourgogne, 6 Bv. Gabriel, 21000 Dijon, France |
| Abstract: | 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. |
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