A process for the preparation of anthracycline derivatives

摘要

The present invention discloses a process for the semi-synthesis of 4-demethoxydaunomycinone, (8s-cis)-acetyl-10-hydroxy-7,8,9,10-tetrahydro-6,8,11-trihydroxy-5,12-naphthacenedione, of formula (I).