1985
DOI: 10.1016/s0031-9422(00)83042-3
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Triterpenoids from Mangifera indica

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Cited by 66 publications
(28 citation statements)
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“…Doubling of signals of carbons near to C-24 was again attributed to the presence of an epimer in that position. The chain depicted in 6 is fairly common in fungal lanostanes (De Bernardi et al, 1981) and in cycloartanes (Anjaneyulo et al, 1985), but not yet in euphanes.…”
Section: Resultsmentioning
confidence: 99%
“…Doubling of signals of carbons near to C-24 was again attributed to the presence of an epimer in that position. The chain depicted in 6 is fairly common in fungal lanostanes (De Bernardi et al, 1981) and in cycloartanes (Anjaneyulo et al, 1985), but not yet in euphanes.…”
Section: Resultsmentioning
confidence: 99%
“…Estes dados são compatíveis com um triterpenóide tipo cicloartano-3β-ol 28,29 , com a cadeia lateral com uma ligação dupla geminal dissubstituída e uma hidroxila em carbono primário. O espectro de RMN 13 C apresenta sinais de um grupo oximetinico em δ 78,9 (C-3) com configuração 3β-hidroxi, um grupo oximetilênico em δ 65,9 (C-26) e dois carbonos olefínicos em δ 109,5 (C-31) e δ 152,0 (C-24) na cadeia lateral do triterpenóide 24,26 . Os dados da substância 4 são equivalentes aos citados na literatura para o 24-metileno-cicloartano-3β,26-diol 26 .…”
Section: Extração E Isolamento Dos Constituintes Químicosunclassified
“…Compound 6a (C 32 H 54 O 3 ) was identified as taraxastane3b,20x-diol 3-acetate 7,8) by MS and 1 H-NMR (Table 1) This study demonstrated the presence of a triterpenoid 1 in the NSL fraction of camellia oil. Although compound 1 has previously been semisynthesized from its C-3a epimer, cabrareahydroxylactone [(20S)-3a-hydroxy-25,26,27-trisnordammaran-24,20-olide], 6) a component of Cabralea polytricha 6) and Cabralea eichleriana (Meliaceae), 12) to the best of our knowledge this is the first instance of its isolation from a natural source.…”
mentioning
confidence: 73%
“…Compound 6 was previously isolated from Canarium strictum (Dipterocarpaceae) 7) and from Mangifera indica (Anacardiaceae), 8) but the stereochemistry at C-20 remained undetermined. Characterization of a new naturally occurring triterpenoid 1 and the determination of the stereochemistry at C-20 of 6, as described below, were performed on their 3-acetyl derivatives, 1a and 6a, respectively.…”
mentioning
confidence: 99%