Zhongguo Zhongyao Zazhi 2007-Jun
[Study on chemical constiuents from Ligularia intermedia of shanxi].
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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 methods1.
RESULTS
Nine compound were isolated and identified as 8beta-hydroxyeremophil-7(11)-ene-12, 8alpha(4beta, 6alpha)-diolide (1), 8beta-methoxyeremophil-7(11)-ene-12, 8alpha(4beta, 6alpha)-diolide (2), petasin (3), isopetasin (4), liguhodgsonal (5), ligudentatol (6), ligujapone (7), lupeol (8) and lupeol palmitate (9).
CONCLUSIONS
Compounds 2, 3, 4, 6, 7 and 9 were isolated from the plant for the first time.
