Two pairs of phenolic enantiomers from the leaves of Eucommia ulmoides Oliver

Autor: Xiumei Gao, Li-Qin Ding, Jian-Kun Yan, Feng Qiu, Paul Owusu Donkor, Xu-Liu Shi
Rok vydání: 2018
Předmět:
Zdroj: Natural Product Research. 33:1162-1168
ISSN: 1478-6427
1478-6419
Popis: Two pairs of new phenolic enantiomers, (+)-eucophenolic A (1a), (-)-eucophenolic B (1b), (-)-eucophenolic C (2a), (+)-eucophenolic D (2b) were isolated from the leaves of Eucommia ulmodies Oliver by chiral enantiomeric resolution. Their structures were elucidated based on extensive spectroscopic analysis. The absolute configurations of 1a/1b and 2a/2b were determined by empirical method and the calculated ECD and OR. All compounds were tested for Hep G2 tumour cell lines. However, no compounds showed potential cytotoxic activities against Hep G2 in vitro.
Databáze: OpenAIRE