Design, Synthesis, and Biological Evaluation of Triazolyl- and Triazinyl-Quinazolinediones as Potential Antitumor Agents

Scheme 2

Synthesis of 3-substituted-2-imino-1,3,5-triazin-1(2H)-yl-sulfonyl-phenyl-1-methylquinazoline-2,4(1H,3H)-dione (12a–j).