12-01936. Casimiroin [Archived]

Nomenclature

CAS number: 477-89-4
6-Methoxy-9-methyl-1,3-dioxolo[4,5-h]quinolin-8(9H)-one; 1-methyl-4-methoxy-7,8-methylenedioxycarbostyril; 4-methoxy-1-methyl-7,8-methylenedioxy-2-quinolone.
C12H11NO4; mol wt 233.22.
C 61.80%, H 4.75%, N 6.01%, O 27.44%.

Description and references

From the seed, trunk, root and bark of Casimiroa edulis Llave et Lex., Rutaceae: Kincl et al., J. Chem. Soc. 1956, 4163; Iriarte et al., ibid. 4170. Structure: Meisels, Sondheimer, J. Am. Chem. Soc. 79, 6328 (1957). Synthesis: Weinstein, Hylton, Tetrahedron 20, 1725 (1964).

Chemical structure

Properties

Crystals, mp 203°. uv max: 226 nm (log ε 4.50). Almost insol in water; sol in alcohol, ether, ethyl acetate.

Status

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