Preparation, Characterization and Biological Activity of New Derivatives 1,3- Diazines

Abstract

1,3-diazines and its derivatives , an important class of heterocyclic compounds, are of both biological and chemical interest, This study is concerned with the synthesis and characterization of 3,4-dihydropyrimidin-2-ones was prepared using three-component condensation reaction of an aromatic aldehyde, urea, and ester and identified these compounds using techniques IR, 1HNMR.All the prepared compounds showed various biological activities toward two kinds of bacteria gram negative (E coli) and gram positive bacteria(staphylococcus aureus).