abstract |
New anthracycline glycoside derivatives of rhodomycin-group, epsilon -rhodomycin RDC, epsilon -isorhodomycin RDC, beta -rhodomycin RDC, gamma -rhodomycin RDC, gamma -rhodomycin RDRs and beta -pyrromycin RDC having potent anticancer activities and lower toxicities and a process for the production thereof by microbiological conversion method are disclosed. |