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.

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