申请人:Takeda Chemical Industries, Ltd.
公开号:US04189485A1
公开(公告)日:1980-02-19
Novel purine derivatives of the formula: ##STR1## wherein R.sup.1 is hydrogen or alkyl of 1 to 3 carbon atoms, R.sup.2 is alkyl of 1 to 3 carbon atoms or allyl, and R.sup.3 and R.sup.4, respectively, mean halogen, and their acid addition salts are provided. These compounds have anticoccidial activity and are useful for treating caecal and/or intestinal coccidiosis in poultry and domestic animals.
新的嘌呤衍生物的化学式为:##STR1##其中R.sup.1为氢或1至3个碳原子的烷基,R.sup.2为1至3个碳原子的烷基或烯丙基,R.sup.3和R.sup.4分别表示卤素,提供它们的酸盐。这些化合物具有抗球虫活性,可用于治疗家禽和家畜的盲肠和/或肠球虫病。