| Title:  Casimiroin CAS Registry Number:  477-89-4 CAS Name:  6-Methoxy-9-methyl-1,3-dioxolo[4,5-h]quinolin-8(9H)-one Additional Names:  1-methyl-4-methoxy-7,8-methylenedioxycarbostyril;  4-methoxy-1-methyl-7,8-methylenedioxy-2-quinolone Molecular Formula:  C12H11NO4 Molecular Weight:  233.22 Percent Composition:  C 61.80%, H 4.75%, N 6.01%, O 27.44% Literature 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). Properties:  Crystals, mp 203°.  uv max:  226 nm (log e 4.50).  Almost insol in water; sol in alcohol, ether, ethyl acetate. Melting point:  mp 203° Absorption maximum:  uv max:  226 nm (log e 4.50)     Status:  This monograph has been retired and is no longer subject to revision or update.  |