Title: Strophanthobiose
CAS Registry Number: 7724-04-1
CAS Name: 2,6-Dideoxy-4-O-b-D-glucopyranosyl-3-O-methyl-D-ribo-hexose
Additional Names: periplobiose
Molecular Formula: C13H24O9
Molecular Weight: 324.32
Percent Composition: C 48.14%, H 7.46%, O 44.40%
Literature References: Obtained by hydrolysis of K-strophanthin-b, 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°. [a]D20 +33.8° (c = 2.068 in water).
Melting point: mp 144-146°
Optical Rotation: [a]D20 +33.8° (c = 2.068 in water)
Derivative Type: Pentaacetate
Molecular Formula: C23H34O14
Molecular Weight: 534.51
Percent Composition: C 51.68%, H 6.41%, O 41.91%
Properties: Needles, mp 174-175°. [a]D20 +11.9° (c = 1.05 in chloroform).
Melting point: mp 174-175°
Optical Rotation: [a]D20 +11.9° (c = 1.05 in chloroform)
Status: This monograph has been retired and is no longer subject to revision or update. |