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Five new furanocembrenoids from the venom of the ant Crematogaster brevispinosa ampla from Brazil

par Leclercq, Sabine ;de Biseau D'Hauteville, Jean-Christophe ;Daloze, Désiré ;Braekman, Jean Claude ;Quinet, Yves;Pasteels, Jacques
Référence Tetrahedron letters, 41, 5, page (633-637)
Publication Publié, 2000-01

Article révisé par les pairs

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Résumé :

Five new furanocembrenoids (3-7) were isolated from the Dufour gland secretion of the Brazilian ant Crematogaster brevispinosa ampla. The structure of the major component was established by a detailed high-field 1D and 2D NMR study as the dibutanoate 3. Compounds 4 and 5 were shown to be the two isomeric monoacetate monobutanoates corresponding to 3, whereas 6 and 7 are the two isomeric monohydroxy monobutanoates. (C) 2000 Elsevier Science Ltd.