A new 3,4-seco-lupane triterpenene glycosyl ester from the leaves of Eleutherococcus sessiliflorus
| Autor: | Danfeng Zhang, Yugang Gao, Yan Zhao, Enbo Cai, Hongyan Zhu, Chen Chen |
|---|---|
| Rok vydání: | 2019 |
| Předmět: |
010405 organic chemistry
Silica gel Stereochemistry Organic Chemistry Alcohol Plant Science Eleutherococcus sessiliflorus 01 natural sciences Biochemistry 0104 chemical sciences Analytical Chemistry 010404 medicinal & biomolecular chemistry chemistry.chemical_compound Column chromatography Chiisanogenin chemistry Enzymatic hydrolysis Chiisanoside Glycosyl |
| DOI: | 10.6084/m9.figshare.7618838 |
| Popis: | A new minor 3,4-seco-lupane triterpenene glycosyl ester, named sessiloside-A1 (1), along with three known 3,4-seco-lupane triterpenenes were isolated from the which alcohol extract of the leaves of Eleutherococcus sessiliflorus (Rupr. & Maxim.) S.Y. Hu by silica gel column chromatography, and their structures were determined by spectroscopic methods (UV, IR, NMR and HRMS). Compound 1 was elucidated to be β-D-glucopyranosyl ester of chiisanogenin. At the same time, a new efficient two-step enzymatic hydrolysis method was established to transform chiisanoside (2) → divaroside (3) → 1. |
| Databáze: | OpenAIRE |
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