申请人:Merck & Co., Inc.
公开号:US04339453A1
公开(公告)日:1982-07-13
4-Amino- and 2,4-diaminopyrimidines with a quaternized ring nitrogen and an oxygen bearing substituent such as hydroxyalkyl, alkoxyalkyl, or alkanoyl on one of the exo- or endocyclic nitrogens and a C.sub.6-18 alkyl on another, are highly active antimicrobial agents with a relatively low acute mammalian toxicity.
具有季铵环氮和一个氧基取代基团(如羟基烷基、烷氧基烷基或烷酰基)的4-氨基和2,4-二氨基嘧啶类化合物,其中一个环内或环外氮原子上含有取代基团,并且另一个氮原子上含有C.sub.6-18烷基,是高活性的抗微生物药物,对哺乳动物的急性毒性相对较低。