Sophorose
Title: Sophorose
CAS Registry Number: 534-46-3
CAS Name: 2-O-b-D-Glucopyranosyl-a-D-glucose
Molecular Formula: C12H22O11
Molecular Weight: 342.30
Percent Composition: C 42.11%, H 6.48%, O 51.41%
Literature References: From pods of Sophora japonica L., Leguminosae: Rebaté, Bull. Soc. Chim. Fr. 7, 565 (1940); Clancy, J. Chem. Soc. 1960, 4213; Clancy in Methods in Carbohydrate Chemistry vol. I, R. L. Whistler, M. L. Wolfrom, Eds. (Academic Press, New York, 1962) pp 345-349. Structure and synthesis: Coxon, Fletcher, J. Org. Chem. 26, 2892 (1961); Koeppen, Carbohydr. Res. 7, 410 (1968). Crystal structure: J. Ohanessian et al., Acta Crystallogr. B34, 3666 (1978).
 
Derivative Type: Monohydrate
Properties: Needles from 80% aq methanol, mp 196-198°. [a]D18 +19° (c = 1.2 in water).
Melting point: mp 196-198°
Optical Rotation: [a]D18 +19° (c = 1.2 in water)
 
Derivative Type: Octa-O-acetyl-b-sophorose
Molecular Formula: C28H38O19
Molecular Weight: 678.59
Percent Composition: C 49.56%, H 5.64%, O 44.80%
Properties: Needles from ethanol, mp 193-194°. [a]D18 -3.2° (c = 2.5 in chloroform).
Melting point: mp 193-194°
Optical Rotation: [a]D18 -3.2° (c = 2.5 in chloroform)

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