2003
DOI: 10.1016/s0031-9422(02)00748-3
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Insect antifeedant furanocoumarins from Tetradium daniellii

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Cited by 69 publications
(41 citation statements)
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“…O conjunto de dados acima e a comparação com a literatura permitiram a identificação das cumarinas xantotoxina (1), 18 isopimpinilina (2), 19 iso-oxipeucedanina (3) e oxipeucedanina hidratada (4). 18,20 A cumarina 3 foi isolada do extrato hexânico e as demais (1, 2, 4) 21 Definir a configuração deste carbono baseando-se na rotação específica obtida foi possível devido à molécula possuir somente este estereocentro.…”
Section: Resultsunclassified
“…O conjunto de dados acima e a comparação com a literatura permitiram a identificação das cumarinas xantotoxina (1), 18 isopimpinilina (2), 19 iso-oxipeucedanina (3) e oxipeucedanina hidratada (4). 18,20 A cumarina 3 foi isolada do extrato hexânico e as demais (1, 2, 4) 21 Definir a configuração deste carbono baseando-se na rotação específica obtida foi possível devido à molécula possuir somente este estereocentro.…”
Section: Resultsunclassified
“…104 It affords a better yield and also found being re-producible (Table 1). It was also found that PdC1 2 (PPh 3 ) 2 is more efficient catalyst than Pd(PPh 3 ) 4 and also iodophenol 12b was proved to react better than bromophenol 12a. The resultant benzofuran 14 was then converted into ailanthoidol in two steps.…”
Section: -102mentioning
confidence: 94%
“…These kinds of naturally occurring compounds have attracted much attention from synthetic organic chemists, due to their interesting biological and pharmacological activities. [1][2][3] Several natural products bearing benzofuran and its derivatives as a moiety, [4][5][6] exhibit diverse biological activities such as being potent antibacterial, 7 antimicrobial, 8 antitumor, 9 anticonvulsant antiinammatory, 10 antidiabetic 11 and antineophobic agents.…”
Section: Introductionmentioning
confidence: 99%
See 1 more Smart Citation
“…The crude organic extract was subjected to repeated columns chromatography yielding two new ceramides (1, 2) together with twenty one known compounds namely lanosta-7,24-dien-3-one (3), 8 lanosta-8,24-dien-3-one (4), 8 β-amyrine (5), 9 lupeol (6), 9 6-prenylpinocembrin (7), 10 bergapten (8), 11 chiricanine A (9), 12 genistein (10), 13 wighteone (11), 13 6-prenylapigenin (12), 14 24 The ceramide core was confirmed by long-range correlations exhibited on the HMBC spectrum between the proton at d H 7.38 and the carbonyl at d C 175.5. Moreover, the proton of oxymethine group at d H 3.47 (H-4) correlated with the carbons at d C 61.3 (C-1), 51.8 (C-2), and 75.8 (C-3) which matched with a trihydroxylamine-sphingosine in the phytoceramide skeleton.…”
Section: Resultsmentioning
confidence: 99%