SYNTHETIC ROUTES TO (+/-)-DAUNOMYCINONE - ELABORATION OF THE HYDROXY-KETONE GROUP FROM AN ALPHA-TETRALONE DERIVATIVE, AND SELECTIVE METHYLATION OF THE C(4)-HYDROXY GROUP USING DIAZOMETHANE
A 12 step synthetic route to (.+-.)-daunomycinone [an antineoplastic drug] is described which uses Friedel-Crafts reactions to assemble the ring system; (-)-carminomycinone reacts with diazomethane to give (+)-daunomycinone.