Chemical and Pharmaceutical Bulletin 2006-Mar
Resveratrol oligomers and their O-glucosides from Cotylelobium lanceolatum.
Kun registrerede brugere kan oversætte artikler
Log ind / Tilmeld
Linket gemmes på udklipsholderen
Nøgleord
Abstrakt
Three new resveratrol oligomers, cotylelophenol C (1) (resveratrol tetramer) and cotylelosides A (2) and B (3) (O-glucosides of resveratrol trimer), together with four known glucosides of resveratrol oligomers (vaticasides A, B, C, D) and piceid, were isolated from an acetone soluble part of stem of Cotylelobium lanceolatum (Dipterocarpaceae). The structures of new compounds were determined by spectral data analysis. The characteristic properties observed in the NMR spectra of 1 were also discussed.