2004
DOI: 10.1590/s0100-40422004000600011
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Estudo químico e perfil cromatográfico das cascas de Aspidosperma parvifolium A. DC. ("pau-pereira")

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Cited by 21 publications
(22 citation statements)
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“…The structure of the steroids β-sitosterol 1 and stigmasterol 2, isolated from the leaves of P. renitens, and sitosterol-3-O-β-D-glucopyranoside 9, isolated from flowers of A. brasiliana were assigned based on the analysis of the 1D and 2D 1 H and 13 C NMR spectra and by comparison with the literature data (Jácome et al, 2004;Macari et al, 1990).…”
Section: Resultsmentioning
confidence: 99%
See 1 more Smart Citation
“…The structure of the steroids β-sitosterol 1 and stigmasterol 2, isolated from the leaves of P. renitens, and sitosterol-3-O-β-D-glucopyranoside 9, isolated from flowers of A. brasiliana were assigned based on the analysis of the 1D and 2D 1 H and 13 C NMR spectra and by comparison with the literature data (Jácome et al, 2004;Macari et al, 1990).…”
Section: Resultsmentioning
confidence: 99%
“…This material was dried and rechromatographed on a silica gel column and eluting with mixtures of hexane and chloroform of increasing polarity, obtaining a mixture of β-sitosterol 1 and of stigmasterol 2 [32.3 mg (hexane/chloroform 40:60), 13 C NMR (CDCl 3 ) data, see Jácome et al, 2004] and ent-kauran-16α,17-diol 3 [22.1 mg (hexane/chloroform 50:50), 187-188 o C, 13 C NMR (CDCl 3 ) data, see Nascimento & Lopes, 2003].…”
Section: Methodsmentioning
confidence: 99%
“…(Apocynaceae), o que leva a confusões, já que as constituições químicas destas espécies são diferentes. Esta aspidosperma é utilizada pelo povo para a cura das mesmas enfermidades e por isso é reconhecida pelo mesmo nome (Jácome et al, 2003(Jácome et al, , 2004.…”
Section: Cit)unclassified
“…The extract (55.3 g) was submitted to repeated column chromatography on silica gel eluted with mixtures of hexane-EtOAc (0-100%) leading to the isolation of a new biphenyl, 1 (18.2 mg), along with the known compounds: 2,2-dimethyl-5,10-dihydro-2H-benzo[g]chromene-5,10-dione (xyloidone) (10.3 mg), 17 24 and a mixture of β-sitosterol 23 and stigmasterol (179.1 mg). 25 The known compouds were identified by 1 H and 13 C NMR data and also by comparison with authentic samples and literature data.…”
Section: Extraction and Isolationmentioning
confidence: 99%
“…Some fractions of this column nonstudied early 1 were purified by repeated column chromatography leading to the isolation of known compounds betulinic acid (77.4 mg), 20 betulonic acid (93.4 mg), 27 betunilic aldehyde (24.6 mg), 28 glutinol (83.9 mg), 29 friedelin (47.3 mg), 21 sitostenone (32.8 mg) 23 and a mixture of β-sitosterol 23 and stigmasterol (50.2 mg). 25 Fraction 7 (1.68 g) was submitted to column chroma- …”
Section: Extraction and Isolationmentioning
confidence: 99%