2,4-Diamino-5-benzylpyrimidines characterized by the formula ##SPC1## Wherein R.sup.1, R.sup.2, A.sup.1, Z and n are as hereinafter set forth, are described. The 2,4-diamino-5-benzylpyrimidines of the invention have useful antibacterial activity. More particularly, they block bacterial dihydrofolate reductase and potentiate the antibacterial activity of sulfonamides.
本文描述了具有以下式子的2,4-二
氨基-5-苄基
嘧啶:##
SPC1## 其中R.sup.1,R.sup.2,A.sup.1,Z和n如下所述。该发明的2,4-二
氨基-5-苄基
嘧啶具有有用的抗菌活性。更具体地说,它们阻止细菌二氢叶酸还原酶并增强磺
胺类抗菌药物的抗菌活性。