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Anti-inflammatory, antimicrobial and acetylcholinesterase inhibitory activities...
Moreira, Maria Eliza C.; Sousa, Grasiely F. de; Aguilar, Mariana G. de; Dias, Danielle F.; Takahashi, Jacqueline A.; Vieira Filho, Sidney A.The new pentacyclic triterpenoids friedel-1-en-3,16-dione (1), 1α,29-dihydroxyfriedelan-3-one (2) and 16β,28,29-trihydroxyfriedelan-3-one (3) were isolated from Maytenus robusta branches in addition to the known, but new for this species, triterpenoid 12α,29-dihydroxyfriedelan-3-one (4). The structures and stereochemistry of the novel triterpenoids were established by IR, 1D/2D NMR and HR-APCIMS spectral data. ...
Date: 2018
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Origin: Oasisbr