Absolute configuration of resveratrol oligomer glucosides isolated from the leaves of Upuna borneensis
Phytochemistry Letters(2017)
摘要
•Resveratrol oligomers was isolated from Upuna borneensis.•Absolute configurations were determined based on NMR and CD spectral properties.•Occurrence of O-glucosides bearing an epimeric aglycone of resveratrol pentamers were exhibited.
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关键词
Upuna borneensis,Dipterocarpaceae,Resveratrol oligomer,Absolute configuration
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