Research on African Medicinal Plants. II.Hypoxoside, a new glucoside of uncommon structure from Hypoxis obtusa Bush

A new glycoside, hypoxoside, eas isolated from rhyzome of Hypoxis obtusa, a plant used in Moxambique in native medicine for the treatment of urinary diseas. The structure 1 of a diglycoside of 1-(3',4'-dihydroxyphenyl)-5-(3'',4''-dihydroxyphenyl)-1-pentene 4-yne was attributed to hypoxoside on the basis of physico-chemical determinatios and chemical behaviour