Hétérocycles à fonction quinone. 7. Benzo[f]quinazolinediones-7,10 à action antitumorale potentielle

Few benzof]quinazoline-7,10-diones 4a-c are prepared by oxidation, with potassium nitrosodisulfonate, of the corresponding benzof]quinazolinamines, made by reduction of the nitro analogues which were obtained from 8-methoxybenzof]quinazolin-1(2H)-one. The compound 4a shows an interesting cytotoxicity.