Starting from the known 4'-deoxy-4'-iodo-N-trifluoroacetyldaunorubicin, two new anthracycline glycosidic antibiotics, the 4'-deoxy-4'-iodo-daunorubicin and 4'-deoxy-4'-iodo-doxorubicin, have been prepared by known procedures. Both the new glycosides have been found to be endowed with outstanding antitumoral activity.
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