Title: Scoparin
CAS Registry Number: 301-16-6
CAS Name: 8-b-D-Glucopyranosyl-5,7-dihydroxy-2-(4-hydroxy-3-methoxyphenyl)-4H-1-benzopyran-4-one
Additional Names: 8-glycosyl-4¢,5,7-trihydroxy-3¢-methoxyflavone; scoparoside
Molecular Formula: C22H22O11
Molecular Weight: 462.40
Percent Composition: C 57.14%, H 4.80%, O 38.06%
Literature References: From leaves and branches of Spartium scoparium L., Leguminosae: Stenhouse, Ann. 78, 15 (1851); Mascré, Paris, Compt. Rend. 204, 1270 (1937). Structural study: Hörhammer et al., Naturwissenschaften 49, 393 (1962). Revised structure: Prox, Tetrahedron 24, 3697 (1968).
Properties: Needles from 80% methanol, mp 253°. uv max (methanol): 345, 270 nm (log e 4.27, 4.18). Practically insol in cold water, ether, chloroform, benzene. Sol in hot water, ethanol, methanol, acetic acid, ethyl acetate, acetone, pyridine.
Melting point: mp 253°
Absorption maximum: uv max (methanol): 345, 270 nm (log e 4.27, 4.18)
Derivative Type: Heptaacetate
Molecular Formula: C36H36O18
Molecular Weight: 756.66
Percent Composition: C 57.14%, H 4.80%, O 38.06%
Properties: Crystals, mp 240-241°.
Melting point: mp 240-241°
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