This invention relates to a naphthoquinone derivatives, to processes and to intermediates for preparing these derivatives, to pharmaceutical composition and to the use of these derivatives as antitumor agents in mammals.
[EN] Tricyclic heteronaphthoquinone derivatives, that have antineoplastic activity, are disclosed, together with processes for their synthesis. Some of these anti-neoplastics compounds have a saccharide moiety. Some members of this structurally distinct group exhibit activity against multiple drug resistant cancer cells. [FR] Dérivés d'hétéronaphtoquinones tricycliques à activité antinéoplasique, et procédés de synthèse de ces dérivés. Certains de ces composés antinéoplasiques comportent une fraction saccharide. Certains membres de ce groupe structurellement distinct se révèlent actifs contre des cellules cancéreuses résistantes à des médicaments multiples.