New Triterpenes from Maytenus robusta: Structural Elucidation Based on NMR Experimental Data and Theoretical Calculations

New Triterpenes from Maytenus robusta: Structural Elucidation Based on NMR Experimental Data and Theoretical Calculations

Leaves of Maytenus robusta (Celastraceae) were subjected to phytochemical investigation mainly directed at the isolation of pentacyclic triterpenes. The compounds friedelin (1), β-friedelinol (2), 3-oxo-21β-H-hop-22(29)-ene (7), 3,4-seco-friedelan-3,11β-olide (...

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Bibliographic Details
Main Authors: Djalma M. Oliveira, Jacqueline A. Takahashi, Roqueline R. Silva, Sidney A. Vieira-Filho, Grácia D. F. Silva, Lucienir P. Duarte, Antônio F. C. Alcântara, Grasiely F. Sousa
Format: Article
Language:English
Published: MDPI AG 2012-11-01
Series:Molecules
Subjects:
Maytenus robusta
pentacyclic triterpenes
NMR
DFT calculations
acetylcholinesterase inhibitory activity
Online Access:http://www.mdpi.com/1420-3049/17/11/13439

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