Title: Fusarubin
CAS Registry Number: 1702-77-8
CAS Name: 3,4-Dihydro-3,6,9-trihydroxy-7-methoxy-3-methyl-1H-naphtho[2,3-c]pyran-5,10-dione
Additional Names: 5,8-dihydroxy-2-(hydroxymethyl)-6-methoxy-3-(2-oxopropyl)-1,4-naphthalenedione; 3-acetonyl-5,8-dihydroxy-2-(hydroxymethyl)-6-methoxy-1,4-naphthoquinone; oxyjavanicin
Molecular Formula: C15H14O7
Molecular Weight: 306.27
Percent Composition: C 58.82%, H 4.61%, O 36.57%
Literature References: Isoln from Fusarium solani: Ruelius, Gauhe, Ann. 569, 38 (1950). Structure: Hardegger et al., Helv. Chim. Acta 47, 2027 (1964). Efficient total synthesis: Y. Tanoue et al., Bull. Chem. Soc. Jpn. 60, 2927 (1987).
Properties: Red prisms from benzene, dec 218°. Absorption max (ether): 535, 499 nm. Sol in glacial acetic acid, tetrahydrofuran, acetone, dioxane, pyridine; slightly sol in cold chloroform, cold alcohol, ether. Practically insol in carbon disulfide, cyclohexane, cold benzene. Dissolves in dil NaOH with a violet color. Practically insol in bicarbonate soln.
Absorption maximum: Absorption max (ether): 535, 499 nm |