Struktur der Drebyssobiose,Lilacinobiose und Viminose: Desoxyzucker, 45. Mitteilung

The structures of the following three disaccharides, isolated from Asclepiadaceae, have been elucidated: Drebyssobiose (1) = 4–0-(3–0-methyl-6-deoxy-β-d-allopyranosyl)-d-digitoxose, lilacinobiose (7) = 4-O-(3-O-methyl-6-deoxy-β-d-glucopyranosyl)-d-cymarose, and viminose (13) = 4-O-(3-O-methyl-6-deoxy-β-d-glucopyranosyl)-d-digitoxose.