6-SUBSTITUTED-5,8-DIOXY-1,4-NAPHTHOQUINONE DERIVATIVE, ITS PREPARATION PROCESS AND THE USAGE AS ANTICANCER DRUG

摘要

The present invention relates to 6-substituted-5,8-dioxy-1,4-naphthoquinone derivatives of the following general formula (I) useful as anticancer agents, methods for their preparation, and their use as anticancer agents.;Wherein R ₁ represents alkyl, R ₂ represents hydrogen, alkyl or acyl and R ₃ represents hydrogen or alkyl.