Synthesis of some antimicrobial 2-Aryl-3,9-dibromo-1,3- diazolo-(3,2-b)-primido [4, 5-d] -5,7-diaryl-8-oxo-pyrimidine-7-thiones.

eng Ansari Education and Research Society Journal of Ultra Chemistry 0973-3450 2319-8036 June 2006 2 2 55 58 juc 806 article Synthesis of some antimicrobial 2-Aryl-3,9-dibromo-1,3- diazolo-(3,2-b)-primido [4, 5-d] -5,7-diaryl-8-oxo-pyrimidine-7-thiones. H.K.Singh (hemnt38sing@yahoo.com) 1 S. Singh 1 Department of Chemistry, T.D.P.G., College, Jaunpur, (V.B.S.) Purvachal Universtiy, Jaunpur (U.P.) 222002 (INDIA) <p>The reaction of 2-Amino-6,8-diphenyl-5-oxo-pyrimido [4,5-d] pyrimidine-7-thions with a-halo ketones offers  2-Aryl-1,3-diazolo-(3, 2-b)-pyrimido [4,5-d]-5,7-diaryl-8-oxo-pyrimidine-7-thiones, which on bromination results their bromo analogues  2-Aryl-3,9-dibromo-1,3-diazolo-(3, 2-b)-pyrimido [4,5-d]-5,7-diaryl-8-oxo-pyrimidine-7-thiones.                    </p> https://journalofchemistry.org/paper/806/ antimicrobial pyrimidine