3 rezultatima
OBJECTIVE
To investigate the chemical constituents of Heteroplexis nicocephala.
METHODS
The constituents were isolated by using a combination of various chromatographic techniques including column chromatography over silica gel, Pharmadex LH-20, and C-18, as well as reversed-phase HPLC. Structures
OBJECTIVE
To investigate the chemical constituents of Heteroplexis micocephal and their bioactivities.
METHODS
The constituents were isolated by using a combination of various chromatographic techniques including column chromatography over macroporous adsorbent resin, silica gel, Pharmadex LH-20,
By using a combination of various chromatographic techniques including column chromatography over silica gel and Pharmadex LH-20 and reversed-phase HPLC, two minor new compounds, labda-12, 14-dien-6beta, 7alpha, 8beta, 17-tetraol (1), 2, 3-cis-6-acetyl-5-hydroxy-2-(hydroxymethylvinyl)-2,