Synthesis, Characterization, and<i>In Vitro</i>Antimicrobial Activity of a New Class of 7-Substituted Amino-2-phenyl-3H-pyrimido[4,5-<i>d</i>]pyrimidin-4-one
作者:B. Surendra Reddy、A. Babul Reddy、G. Ramachandra Reddy、P. Raveendra Reddy
DOI:10.1002/jhet.1542
日期:2013.7
A new class of pyrimido pyrimidine derivatives that exhibitsin vitro antimicrobial activity was synthesized. The protection of amino group in the compound 1 with acetic anhydride, followed by the reaction with POCl3, gave 3. The reaction of 3 with different substituted phenyl methanediamine in dry TEA under inert atmosphere led to the formation of 4. Deprotection of 4 followed by refluxion with different acid chlorides yielded title compounds 6a, 6b, 6c, 6d, 6e, 6f, 6g, 6h, 6i, 6j, 6k, 6l, 6m in good yields. The identities of these compounds were confirmed following elemental analysis, IR, 1H, 13C NMR, and mass spectral studies. All the title compounds exhibited pronounced in vitro antibacterial and antifungal activities.