12-09017. Strophanthobiose [Archived]
Nomenclature
CAS number: 7724-04-1
2,6-Dideoxy-4-O-β-d-glucopyranosyl-3-O-methyl-d-ribo-hexose; periplobiose. C13H24O9; mol wt 324.32.
C 48.14%, H 7.46%, O 44.40%.
Description and references
Obtained by hydrolysis of K-strophanthin-β, isolated from seeds of Strophanthus kombé Oliv., Apocynaceae: Jacobs, Hoffmann, J. Biol. Chem. 69, 153 (1926); Stoll et al., Helv. Chim. Acta 20, 1484 (1937). Identity with periplobiose: Barbier, Schindler, ibid. 42, 1065 (1959). Structure: Lichti, von Wartburg, ibid. 44, 238 (1961).
Properties
Needles from methanol, mp 144-146°. [α]D20 +33.8° (c = 2.068 in water).Derivative
Pentaacetate.C23H34O14; mol wt 534.51.
C 51.68%, H 6.41%, O 41.91%.
Properties
Needles, mp 174-175°. [α]D20 +11.9° (c = 1.05 in chloroform).Status
This monograph has been retired and is no longer subject to revision or update.