| 摘要 |
<p>The pyrimidine derivatives of formula I <IMAGE> I wherein R1 is naphthyl, substituted naphthyl or substituted phenyl; R2 is hydrogen or lower alkoxy; and A is an optionally present ethylene or 1,3-propylene, and wherein the diaminopyridine group has the exo-configuration when A is present, are described. These compounds are useful as antibacterial agents, antimalarial agents and antitumor agents, and can be used in combination with sulfonamides in the control of bacterial infections.</p> |
