摘要:
A method has been developed for the synthesis of 1,3,7-triazapyrenes using the reaction of 6(7)-formyl- and 6(7)-benzoylperimidines with 1,3,5-triazines in PPA. Under these conditions, 6(7)-formylperimidine reacts with 2,4,6-trimethyl-1,3,5-triazine to give 6-hydroxy-1,3-diazapyrene.