3 rezultate
OBJECTIVE
To study the chemical constituents of Ligularia intermedia of Shanxi.
METHODS
The compounds were isolated by column chromatography on silica gel and preparative TLC. The structures were identified by IR, MS, 1D/2DNMR spectral data and X-ray single crystal diffraction and other
OBJECTIVE
To study the chemical constituents of Ligularia dictyoneura.
METHODS
Various chromatographic techniques were used to separate and purify the compounds. Their spectral data (MS, IR, NMR) were measured for structure elucidation.
RESULTS
Four sesquiterpenes were isolated from Ligularia
OBJECTIVE
To study the chemical constituents of Ligularia songarica.
METHODS
Isolation and purification were carried out on repeated silica gel column chromatography. The compounds structures were identified by physico-chemical properties and spectral analyses.
RESULTS
Ten compounds were isolated