New polar ingredients from Asiasarum sieboldii; Neue polare inhaltsstoffe aus Asiasarum sieboldii

초록

From Asiasarum sieboldii 3 new compounds, the monoterpene derivative asiasarinol (3), the iridoid glycoside 6-O-(3,4-dimethoxy-)cinnamoyl-ajugol (14) and the isobutylamide asaramid (15) were isolated besides twelve other, for the genus Asarum partly unknown compounds. Their structures were elucidated by spectroscopic methods. Four of these ingredients were detected as mixtures of E/Z isomeres.