Datiscetin

Title: Datiscetin
CAS Registry Number: 480-15-9
CAS Name: 3,5,7-Trihydroxy-2-(2-hydroxyphenyl)-4H-1-benzopyran-4-one
Additional Names: 2¢,3,5,7-tetrahydroxyflavone; 2¢-hydroxycrysidenolon 1493
Molecular Formula: C15H10O6
Molecular Weight: 286.24
Percent Composition: C 62.94%, H 3.52%, O 33.54%
Literature References: Cleavage product of datiscin: Stenhouse, Ann. 98, 166 (1856). From roots of Datisca cannabina L., Datiscaceae: Marchlewski, Biochem. Z. 3, 286 (1907). Structure: Leskiewicz, Marchlewski, Ber. 47, 1599 (1914). Synthesis: Kalf, Robinson, J. Chem. Soc. 127, 1968 (1925); Simpson, Wally, ibid. 1955, 166.
Properties: Pale yellow needles from alc, mp 271°. uv max (96% alc): 264.0, 375.0 nm (log e 4.265, 4.005). Sol in alcohol, ether, other organic solvents; practically insol in water. Sol in alkaline solns with yellow color.
Melting point: mp 271°
Absorption maximum: uv max (96% alc): 264.0, 375.0 nm (log e 4.265, 4.005)
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