The stem-bark of Dictyoloma peruviana yielded two new piperidino [1,2-a] 4-quinolinones, dictyolo... more The stem-bark of Dictyoloma peruviana yielded two new piperidino [1,2-a] 4-quinolinones, dictyolomide A and dictyolomide B. Their structures were established by NMR spectroscopy.
A new aminosteroid, 3/3-amino-22,26-epiminocholest-5-ene named sarachine (l), and two known flavo... more A new aminosteroid, 3/3-amino-22,26-epiminocholest-5-ene named sarachine (l), and two known flavonoids, eriodictyol ( 2 ) and 7-O-~-D-glucopyranosyl-eriodictyol (3)) were isolated from the leaves of Saracha punctata. The alkaloid was found to inhibit the growth of Leishmania braziliensis promastigotes (100% at 25 pM) and of Trypanosoma cruzi epimastigotes in culture I
A. Fournet Institut Francais de Recherche Scientifique pour le Dtveloppement en Cooptration (ORST... more A. Fournet Institut Francais de Recherche Scientifique pour le Dtveloppement en Cooptration (ORSTOM), CP 97. Asunci6n. Paraguay
The isolation of lupeol, β-sitosterol acetate and three quinolizidinic alkaloids, (+)-lupanine, (... more The isolation of lupeol, β-sitosterol acetate and three quinolizidinic alkaloids, (+)-lupanine, (−)-sparteine and (−)-3β-hydroxy-13α-tigloyloxy-lupanine (1), from the stem bark of Ormosia wayana is reported.
La Coalition contre la biopiraterie1 définit la biopiraterie comme « l'appropriation en gé... more La Coalition contre la biopiraterie1 définit la biopiraterie comme « l'appropriation en général par des droits de propriété intel-lectuelle de ressources génétiques, de connaissances et de cul-tures traditionnelles appartenant à des Peuples ou des commu-nautés paysannes ...
The stem-bark of Dictyoloma peruviana yielded two new piperidino [1,2-a] 4-quinolinones, dictyolo... more The stem-bark of Dictyoloma peruviana yielded two new piperidino [1,2-a] 4-quinolinones, dictyolomide A and dictyolomide B. Their structures were established by NMR spectroscopy.
A new aminosteroid, 3/3-amino-22,26-epiminocholest-5-ene named sarachine (l), and two known flavo... more A new aminosteroid, 3/3-amino-22,26-epiminocholest-5-ene named sarachine (l), and two known flavonoids, eriodictyol ( 2 ) and 7-O-~-D-glucopyranosyl-eriodictyol (3)) were isolated from the leaves of Saracha punctata. The alkaloid was found to inhibit the growth of Leishmania braziliensis promastigotes (100% at 25 pM) and of Trypanosoma cruzi epimastigotes in culture I
A. Fournet Institut Francais de Recherche Scientifique pour le Dtveloppement en Cooptration (ORST... more A. Fournet Institut Francais de Recherche Scientifique pour le Dtveloppement en Cooptration (ORSTOM), CP 97. Asunci6n. Paraguay
The isolation of lupeol, β-sitosterol acetate and three quinolizidinic alkaloids, (+)-lupanine, (... more The isolation of lupeol, β-sitosterol acetate and three quinolizidinic alkaloids, (+)-lupanine, (−)-sparteine and (−)-3β-hydroxy-13α-tigloyloxy-lupanine (1), from the stem bark of Ormosia wayana is reported.
La Coalition contre la biopiraterie1 définit la biopiraterie comme « l'appropriation en gé... more La Coalition contre la biopiraterie1 définit la biopiraterie comme « l'appropriation en général par des droits de propriété intel-lectuelle de ressources génétiques, de connaissances et de cul-tures traditionnelles appartenant à des Peuples ou des commu-nautés paysannes ...
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