2001
DOI: 10.1590/s0100-40422001000400002
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Constituintes químicos de Gustavia augusta L. (Lecythidaceae)

Abstract: Recebido em 4/10/99; aceito em 15/3/01 CHEMICAL CONSTITUENTS OF GUSTAVIA AUGUSTA L. (LECYTHIDACEAE). The Gustavia augusta is used in the folk medicine against leishmaniosis and showed anti-inflammatory action. The phytochemical studies of the plant stem bark have led to the isolation of (22E)-stigmasta-7,22-dien-3βol, 24α(S)-ethyl-5α-colesta-7,trans-22-dien-3-one, D-friedoolean-14-en-3β-ol, D-friedoolean-14-en-3-one and D-friedoolean-14-en-3α-ol along with stigmasterol, α-amyrin, β-amyrin, lupeol, 3α-hidroxi-l… Show more

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Cited by 12 publications
(8 citation statements)
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References 15 publications
(32 reference statements)
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“…The triterpenes 1-6 were identified by comparison of their NMR data with the literature (Fulgentius et al, 1990;Klass & Tinto, 1992;Silva et al, 2000;Souza et al, 2001;Saraiva et al, 2006). Biological activities were previously reported for the isolated triterpenes: anti-AIDS for betulinic acid, herbicid for lupenone and fibrinolytic for betulin (Connolly & Hill, 2010).…”
Section: Resultsmentioning
confidence: 99%
“…The triterpenes 1-6 were identified by comparison of their NMR data with the literature (Fulgentius et al, 1990;Klass & Tinto, 1992;Silva et al, 2000;Souza et al, 2001;Saraiva et al, 2006). Biological activities were previously reported for the isolated triterpenes: anti-AIDS for betulinic acid, herbicid for lupenone and fibrinolytic for betulin (Connolly & Hill, 2010).…”
Section: Resultsmentioning
confidence: 99%
“…Estes dados foram comparados com os dados da literatura de cada um dos compostos identificando o óxido de cariofileno (1), 6 1β-metoxicariolan-9β-ol (2), 14,15 ácido kaur-16-en-19-oico (3), 16 ácido cis-ozoico (4), 17,18 espatulenol (5), [19][20][21] lupeol (6), 22 7δ-metoxi-opposit-4(15)-en-1β-ol (7), 23,24 germacra-4(15),5,10(14)-trien-1β-ol (8), 25,26 β-sitosterol (9), 27 ent-kaur-16-en-18-ol (10), 16 ácido 15-metoxi-neo--clerodan-3,13-dien-16,15-olid-18-oico (11), [28][29][30] 6α-metoxieudesm--4(15)-en-1β-ol (12), 31 sacarose (13) 32 e a N-metil-trans-4-hidroxi-Lprolina (14) (Figura 1). 33 Estudos prévios sobre a Croton gratissimus focaram-se sobre as folhas.…”
Section: Resultsunclassified
“…As metilas C-18 e C-19 também foram reatribuídas, com base nas correlações à longa distância observadas. Os hidrogênios da metila Me-19 apresen-1 H do triterpeno taraxerona (5), isolado da fração clorofórmica dos galhos de S. polyphylla, foram atribuídos inicialmente por comparação com dados publicados [11][12][13] . A atribuição dos deslocamentos químicos de (5) foi confirmada através das correlações observadas em espectros de HOMOCOSY, HMQC e HMBC.…”
Section: Resultsunclassified