申请人:Sankyo Company Limited
公开号:US04053608A1
公开(公告)日:1977-10-11
Anticoccidial compositions which comprise as active ingredient pyridine derivatives having the formula ##STR1## wherein R.sub.1 is hydrogen atom, a halomethyl group or methyl group; R.sub.2 is hydrogen atom or an alkyl group of 1-3 carbon atoms; R.sub.3 is hydrogen atom, an alkyl group of 1-3 carbon atoms, allyl group, an alkyl group having 2 or 3 carbon atoms and alkoxy of 1 or 2 carbon atoms as a substituent, an alkyl group having 1-3 carbon atoms and hydroxy as a substituent, an alkanoyl group of 1-18 carbon atoms, a haloacetyl group, an alkenoyl group of 3-11 carbon atoms, an aromatic acyl group, a heterocyclic acyl group, an N-alkylcarbamoyl group of 1-4 carbon atoms in the alkyl moiety or hydroxy group; Provided that when R.sub.2 is said alkyl group of 1-3 carbon atoms, R.sub.3 is said alkyl group of 1-3 carbon atoms and inorganic acid addition salts thereof.
抗球虫组合物包括作为活性成分的吡啶衍生物,其具有以下式子:##STR1## 其中,R.sub.1是氢原子,卤代甲基基团或甲基基团;R.sub.2是氢原子或1-3个碳原子的烷基基团;R.sub.3是氢原子,1-3个碳原子的烷基基团,烯丙基基团,具有1或2个碳原子的烷氧基取代基的烷基基团,具有1-3个碳原子和羟基取代基的烷基基团,具有1-18个碳原子的烷酰基团,卤代乙酰基团,3-11个碳原子的烯酰基团,芳香族酰基团,杂环酰基团,烷基基团中碳骨架上有1-4个碳原子的N-烷基氨基甲酰基团或羟基;但当R.sub.2是1-3个碳原子的烷基基团时,R.sub.3是1-3个碳原子的烷基基团或其无机酸盐。