Complete assignment of the 1H and 13C NMR spectra of a new polyester sesquiterpene from Austroplenckia populnea.

Abstract
new polyester sesquiterpene (4-hydroxy-1,2,6,15-tetraacetyl-9-benzoylagarofuran), together with known friedelane triterpenes (friedelin, -friedelinol and 28-hydroxyfriedelin), was isolated from the leaves of Austroplenckia populnea. The structure and relative stereochemistry of the new ester were based on 2D NMR spectroscopic techniques including HMBC, HMQC and NOESY.
Description
Keywords
Celastraceae, Sesquiterpene
Citation
VIEIRA FILHO, S. A. et al. Complete assignment of the 1H and 13C NMR spectra of a new polyester sesquiterpene from Austroplenckia populnea. Magnetic Resonance in Chemistry, Siegen, v. 38, n.11, p. 1023-1026, 2000. Disponível em: <http://onlinelibrary.wiley.com/doi/10.1002/1097-458X(200012)38:12%3C1023::AID-MRC771%3E3.0.CO;2-X/abstract>. Acesso em: 20 jan. 2017.