2011
DOI: 10.1590/s0102-695x2011005000095
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Abstract: Abstract:The phytochemical investigation on the aereal parts of Lychnophora pinaster Mart., Asteraceae, was carried to isolation of triterpenes. 3-O-Acetyllupeol (1), 3-O-acetyl-pseudotaraxasterol (2), and 3-O-acetyl-α-amyrin (3) were isolated from hexanic extract and 4,4-dimethyl-cholesta-22,24-dien-5-ol (4), α-amyrin (5), and lupeol (6) were isolated from hexanic/dichlorometanic extract of the leaves. Compounds Δ 7 -bauerenyl acetate (7), friedelin (8), stigmasterol (9), and sitosterol (10) were isolated fro… Show more

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Cited by 29 publications
(18 citation statements)
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References 17 publications
(22 reference statements)
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“…This compound exhibits antimicrobial activity against Escherichia coli and Bacilus subtilis (Xie et al 2005) and are described for the first time in the genus Sacoglottis. (Table 1) are in agreement with the corresponding data of the triterpenes lupeol, betulin, α-amyrin, and methyl 2β,3β-dihydroxy-urs-12-en-28-oate, respectively (Abreu et al 2011).…”
supporting
confidence: 89%
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“…This compound exhibits antimicrobial activity against Escherichia coli and Bacilus subtilis (Xie et al 2005) and are described for the first time in the genus Sacoglottis. (Table 1) are in agreement with the corresponding data of the triterpenes lupeol, betulin, α-amyrin, and methyl 2β,3β-dihydroxy-urs-12-en-28-oate, respectively (Abreu et al 2011).…”
supporting
confidence: 89%
“…Friedelin shows cytotoxicity against the human tumor cell lines (Mossi et al 2004) and gastric antiulcerogenic and leishmanicidal activities ( (Table 1) are in agreement with the correspondent data of the triterpene pseudotaraxasterol (Abreu et al 2011). This compound exhibits antimicrobial activity against Escherichia coli and Bacilus subtilis (Xie et al 2005) and are described for the first time in the genus Sacoglottis.…”
supporting
confidence: 83%
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“…The repeated chromatographic separation of petrol extract of the leaves of A. cylindrica led to the isolation of compounds 1 -5 as colorless oils together with the known 2a-(isovaleroyloxy)eperuic acid, [4] baurenyl acetate, [5] a mixture of taraxasteryl and pseudotaraxasteryl acetates, [6] and spathulenol. [7] Cylindrinol B (1) showed characteristic absorptions for OH groups (3401 cm À1 ) and ester C=O groups Table 1, and led us to establish its structure as (2-{4-(hydroxymethyl)-2-[(2-methylpropanoyl)oxy]phenyl}oxiran-2-yl)methyl benzoate (1).…”
Section: Resultsmentioning
confidence: 99%
“…The hexane and CHCl 3 fractions of the ethanolic extract of root bark of B. racemosa on column chromatography (CC) over silica gel afforded eight known compounds, namely n-tetracosane (2) (Cadogan & Buckingham 1996), b-sitosteryl stearate (3) (Bhakuni et al 1987), eicosanoic acid (4) (Cadogan & Buckingham 1996), stigmasterol (5) (Abreu et al 2011), b-sitosterol (6) (Abreu et al 2011), racemosol (7) (Anjaneyulu et al 1986), octacosyl ferulate (8) (Ruan et al 2007) and de-O-methyl racemosol (9) (Prabhakar et al 1994), whereas the EtOAc fraction afforded one new pentacyclic phenolic compound named as racemosolone (1) along with five known compounds, namely lupeol (10) (Laghari et al 2011), 1,7,8,12b-tetrahydro-2,2,4-trimethyl-2H-benzo[6,7]cyclohepta [1,2,3-de] [1] benzopyran-5,10,11 triol (11) (Maillard et al 1991) and 7, 8, 9, which were identified on the basis of their physical and spectroscopic data and by comparison with the literature data ( Figure 1). …”
Section: Resultsmentioning
confidence: 99%