Synthesis of quinone-based heterocycles of broad-spectrum anticancer activity

A synthesis of benzo[e][1,2,4]triazines and 1,2,4-triazolospiro[4,5]deca-2,6,9-trien-8-ones has been developed from reactions of amidrazones with 2-chloro-1,4-benzoquinone in EtOAc containing 0.5 m...