Title: Psoralidin
CAS Registry Number: 18642-23-4
CAS Name: 3,9-Dihydroxy-2-(3-methyl-2-butenyl)-6H-benzofuro[3,2-c][1]benzopyran-6-one
Additional Names: 6-(3-methylbut-2-enyl)coumestrol
Molecular Formula: C20H16O5
Molecular Weight: 336.34
Percent Composition: C 71.42%, H 4.79%, O 23.78%
Literature References: Extracted from the seed kernel of Psoralea corylifolia Linn., Leguminosae. Isoln: Chakravarti, J. Sci. Ind. Res. 7B, 24 (1948). Structure: Duttagupta et al., Chem. Ind. (London) 1960, 937. Synthesis: Khastgir et al., Tetrahedron 14, 275 (1961).
Properties: Crystals from acetone, mp 290-292°. Shows violet fluorescence in dil ethanol soln. Absorption spectra: Khastgir et al., loc. cit.
Melting point: mp 290-292°
Derivative Type: Diacetate
Molecular Formula: C24H20O7
Molecular Weight: 420.41
Percent Composition: C 68.57%, H 4.80%, O 26.64%
Properties: Crystals from ethyl acetate, mp 221-223°.
Melting point: mp 221-223°
Status: This monograph has been retired and is no longer subject to revision or update. |