12-08114. Psoralidin [Archived]

Nomenclature

CAS number: 18642-23-4
3,9-Dihydroxy-2-(3-methyl-2-butenyl)-6H-benzofuro[3,2-c][1]benzopyran-6-one; 6-(3-methylbut-2-enyl)coumestrol.
C20H16O5; mol wt 336.34.
C 71.42%, H 4.79%, O 23.78%.

Description and 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).

Chemical structure

Properties

Crystals from acetone, mp 290-292°. Shows violet fluorescence in dil ethanol soln. Absorption spectra: Khastgir et al., loc. cit.

Derivative

Diacetate.
C24H20O7; mol wt 420.41.
C 68.57%, H 4.80%, O 26.64%.

Properties

Crystals from ethyl acetate, mp 221-223°.

Status

This monograph has been retired and is no longer subject to revision or update.