Studies on antitumor-active 2,3-dioxopiperazine derivatives. III. Synthesis and structure-antitumor activity relationship of 1-(4-aminobenzyl)-2,3-dioxopiperazine derivatives.
Studies on antitumor-active 2,3-dioxopiperazine derivatives. III. Synthesis and structure-antitumor activity relationship of 1-(4-aminobenzyl)-2,3-dioxopiperazine derivatives.
A 1-(4-aminobenzyl)-2,3-dioxopiperazine derivative represented by the formula: ##STR1## and an acid addition salt thereof have excellent carcinostatic activity but a low toxicity. Therefore, said compounds are useful as medicines and also as intermediates.