Title: Scoparone
CAS Registry Number: 120-08-1
CAS Name: 6,7-Dimethoxy-2
H-1-benzopyran-2-one
Synonyms: 6,7-dimethoxycoumarin; esculetin dimethyl ether
Molecular Formula: C11H10O4
Molecular Weight: 206.19
Percent Composition: C 64.08%, H 4.89%, O 31.04%
Literature References: Isolation from
Zanthoxylum and
Artemisia spp: Araki, Miyashita,
J. Pharm. Soc. Jpn. 48, 437 (1928); Sera, Shibuye,
C.A. 24, 5742 (1930); Parihar, Dutt,
Proc. Indian Acad. Sci. 25A, 153 (1947); King
et al., J. Chem. Soc. 1954, 1392; Singh
et al., J. Sci. Ind. Res. 15B, 190 (1956); Ban¢kovskaya, Ban'kovskaya,
C.A. 55, 17776c (1961). Structure and synthesis: Singh
et al., Chem. Ind. (London) 1954, 1294. Improved synthesis: R. S. Mali
et al., Indian J. Chem. 21B, 759 (1982).
Properties: Crystals, mp 145-146°. Absorption spectra: Cingolani,
Gazz. Chim. Ital. 89, 985, 999 (1959).
Melting point: mp 145-146°