Antitumour glycoside derivs. - specifically 3-amino-2,3,6-tri:de:oxy-L-xylo:hexose (3-epi:daunosamine), 3'-epi:daunomycin and 3'-epi:adriamycin

摘要

3-Amino-2,3,6-trideoxy-L-xylo-hexose (3-epidaunosamineine) of formula (II) is new 3'-Epidaunomycin (Ia) and 3'-Epiadriamycin (Ib) of formula (I) are also new (where R is Me in (Ia) and R is C CH2OH in (lb). (Ia) and (Ib) are antitumor agents (II) is an intermediate in their prepn.