Hyperforin, the major lipophilic compound contained in extracts of Hypericum perforatum, is responsible for the antidepressant activity associated with the extract. Recently, several other biological properties of Hyperforin have been unveiled including inhibition of tumour invasion and
(±)-Japonicols A-D (1a/1b-4a/4b), four pairs of new phloroglucinol-based terpenoid enantiomers, were isolated from Hypericum japonicum. Their absolute configurations were confirmed through comparison of their experimental and calculated electronic circular dichroism spectra and single-crystal X-ray
Two pairs of new enantiomers with unusual 5,5-spiroketal cores, termed (±)-japonones A and B [(±)-1 and (±)-2], were obtained from Hypericum japonicum Thunb. The absolute configurations of (±)-1 and (±)-2 were characterized by extensive analyses of spectroscopic data and calculated electronic
Hypericum japonicum (Guttiferae), a type of annual or perennial herb, has been historically applied to cure infectious hepatitis, acute and chronic hepatitis, gastrointestinal disorder, and internal hemorrhage. In our successive studies on the genus Hypericum, two new α-pyrones termed japopyrones A
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