1994
DOI: 10.1021/np50108a028
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Contribution À la Connaissance des Rutacées américaines: Étude des Feuilles de Triphasia trifolia

Abstract: Along with the known alkaloid, O-methylhalfordinol, five known coumarins have been isolated from the leaves oiTriphasia trifolia. The structure of a sixth coumarin, the novel substance 3',-dehydroxy-3''-chlorotriphasiol [10] was determined by the interpretation of spectroscopic parameters.La famille des Rutacées est bien représentée dans les regions tropicales et compre de nombreuses especes utilisées en médecine traditionnelle. Dans les Antilles frangaises, des infusions de feuilles de Triphasia trifolia (Bu… Show more

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Cited by 23 publications
(10 citation statements)
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(5 reference statements)
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“…Suas estruturas foram ainda confirmadas através da comparação de seus dados físicos e espectroscópicos com aqueles registrados na literatura. As cumarinas 1 -4 e 7 já haviam sido isolados de T. trifolia 2,12 , mas as coumurrayina (5) 18,19 .…”
Section: Resultsunclassified
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“…Suas estruturas foram ainda confirmadas através da comparação de seus dados físicos e espectroscópicos com aqueles registrados na literatura. As cumarinas 1 -4 e 7 já haviam sido isolados de T. trifolia 2,12 , mas as coumurrayina (5) 18,19 .…”
Section: Resultsunclassified
“…A enzima AChE liofilizada foi dissolvida na solução tampão (1) para fazer uma solução estoque de 1000 U/mL. Para a diluição da enzima utilizou-se a solução tampão (2). Inicialmente, alíquotas de 5 μL dos compostos 1 a 7, na concentração de 4 mg/mL, foram aplicados em CCD (DC-Alufolien, Silicagel 60 F254, 0,2 mm Merck).…”
Section: Ensaio Da Atividade Inibitória Da Enzima Acetilcolinesteraseunclassified
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“…tuberculosum led to the isolation of twenty-five secondary metabolites, among which eight simple coumarins, identified as umbelliferone [12], isomeranzin [13], meranzin hydrate [14], murrangatin [15], murrangatin diacetate [16], murralongin [1], leptodactylone [17] and 5,7,8-trimethoxycoumarin [18], nine furocoumarins, identified as heraclenol [19], xanthotoxol [11], trichoclin [11], trichoclin acetate [11], imperatorin [20], isogosferol [21], 8-geranyloxypsoralen [22], (E, E )-8-(7-hydroxy-3,7-dimethylocta-2,5-dienyloxy)psoralen [8] and marmesin [23], two pyranocoumarins, xanthyletin [24] and (þ)-decursinol [25] and finally, six 3-prenylated coumarins, phebaclavin A, B, D, G, H, previously isolated from P. clavatum [2], and the new phebaclavin I (1).…”
Section: Resultsmentioning
confidence: 99%