A new compound, kudinoside LZ2 （1）, was isolated from the leaves of llex kudincha. Its structure was elucidated by the combination of one- and two-dimensional NMR analysis, HR-ESI-MS, CD spectrum measurement and che...A new compound, kudinoside LZ2 （1）, was isolated from the leaves of llex kudincha. Its structure was elucidated by the combination of one- and two-dimensional NMR analysis, HR-ESI-MS, CD spectrum measurement and chemical evidences.展开更多
A new isoflavane named astraganoside, together with five known compounds had been isolated from the processed Astragralus membranaceus. The structure of the novel compound was elucidated as (3R, 4R)-3-(2-hydroxy-3,4-d...A new isoflavane named astraganoside, together with five known compounds had been isolated from the processed Astragralus membranaceus. The structure of the novel compound was elucidated as (3R, 4R)-3-(2-hydroxy-3,4-dimethoxyphenyl)chroman-4,7-diol-7-O-β-d-glucopyranoside (1) based on spectroscopic methods including UV, IR, ESI-MS, 1D NMR and 2D NMR techniques.展开更多
基金supported by Program for New Century Excellent Talents in University of People's Republic of China(No.NCET-04-0289)
文摘A new compound, kudinoside LZ2 （1）, was isolated from the leaves of llex kudincha. Its structure was elucidated by the combination of one- and two-dimensional NMR analysis, HR-ESI-MS, CD spectrum measurement and chemical evidences.
文摘A new isoflavane named astraganoside, together with five known compounds had been isolated from the processed Astragralus membranaceus. The structure of the novel compound was elucidated as (3R, 4R)-3-(2-hydroxy-3,4-dimethoxyphenyl)chroman-4,7-diol-7-O-β-d-glucopyranoside (1) based on spectroscopic methods including UV, IR, ESI-MS, 1D NMR and 2D NMR techniques.
