2,4-Diamino-5-benzylpyrimidines of the formula ##STR1## wherein R.sup.1, R.sup.2, A, 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 inhibit bacterial dihydrofolate reductase and potentiate the antibacterial activity of sulfonamides.
公式为##STR1##的2,4-二
氨基-5-苄基
嘧啶化合物被描述,其中R.sup.1,R.sup.2,A,Z和n如下所述。本发明的2,4-二
氨基-5-苄基
嘧啶具有有用的抗菌活性。更具体地说,它们抑制细菌二氢叶酸还原酶并增强磺
胺类药物的抗菌活性。