[EN] SUBSTITUTED DIAZAANTHRACENE COMPOUNDS HAVING PHARMACEUTICAL UTILITY<br/>[FR] COMPOSES DIAZAANTHRACENE SUBSTITUES D'UTILITE PHARMACEUTIQUE
申请人:DIAZANS LTD
公开号:WO2001017997A1
公开(公告)日:2001-03-15
Novel diazaanthracenes of formula (I) and (II) and wherein the dotted line in the central ring indicates that either the central ring is aromatically unsaturated, and in this case either R3 or H is absent from the 10-position and either R4 or H is absent from the 5-position, or the central ring is saturated and R3 and H and R4 and H are present, and the corresponding 5,10-diones, N-oxides, N-halides, N-amine, salts, dimers, Diels-Alder adducts, carbene adducts and complexes with transition metal compounds display valuable antibacterial, anticancer and antifungal properties. The compounds of formulae (I) and (II) in which R?1 and R2¿ are both methyl groups can be obtained by subjecting 3,5-lutidine to the effect of a strong reducing agent, for example molten sodium.