T. Tsuji, K. Takenaka
May 1, 1990
Citations
0
Influential Citations
9
Citations
Journal
Journal of Heterocyclic Chemistry
Abstract
5,7-Diamino[1,3,4]thiadiazolo[3,2-a]pyrirnidinium chloride 2, 7-amino[1,2,4]triazolo[1,5-c]pyrimidine-5(6H)-thiones 3 and the 5(6H)-one derivative 4a were synthesized by the reaction of 1,4,6-triaminopyrimidine-2(1H)-thione 1 with phosphoryl chloride and N,N-dimethylacylamides. Further, compounds 4 were prepared from 2, 3 or 1,4,6-triaminopyrimidin-2(1H)-one 6 by the treatment with the above reagents. Compounds 3 and 4 were converted to 7-amino[1,2,4]triazolo[1,5-c]pyrimidin-5(6H)-ones 5.