OPTICALLY PURE CAMPTOTHECIN ANALOGUES, OPTICALLY PURE SYNTHESIS INTERMEDIATE AND METHOD FOR PREPARING SAME

摘要

The invention concerns novel camptothecin analogues and in particular products corresponding to the following formulae: (+)-5-ethyl-9, 10-difluoro-5-hydroxy-4, 5,13,15-tetrahydro-1H, 3H-oxepino[3',4':6, 7]indolizino[1,2-b] quinoline-3,15-dione; (+)-1-[9-chloro-5- ethyl-5-hydroxy-10-methyl-3, 15-dioxo-4,5,13, 15-tetrahydro-1H,3H-oxepinol[3' ,4':6,7]indolizino [1,2-b]quinoline-12-ylmethyl] -4-methyl-hexahydropyridinium chloride; their application as medicine, pharmaceutical compositions containing them and their use for producing antitumoral, antiviral or antiparasitic medicines. The invention also concerns a novel synthesis intermediate of said products and a method for preparing said intermediate.