13-Deoxycarminomycin is used as antitumor agents in preparation of 3''-Deamino-3''-(2"-pyrroline-1"-yl)-5-imine-13-deoxyanthracyclines. 13-Deoxycarminomycin is a doxA gene confers on the transformed host the ability to convert Daunomycin and 13-Dihydrodaunomycin to Doxorubicin.