邦産Chrysosplenium属植物の成分 : タチネコノメソウの一新配糖体

抄録

A new glycoside (I), C₂₅H₂₈O₁₃·2H₂O, mp 226-228°, [α]²⁰_D-30° (c=0.2, pyridine) was isolated from Chrysosplenium tosaense MAKINO (Japanese name"Tachinekonomeso"). I was assumed to be 5, 4'-dihydroxy-3, 6, 7, 3'-tetramethoxyflavone 4'-monoglucoside and was named chrysosplenoside-B.