申请人:Merck & Co., Inc.
公开号:EP0113570A1
公开(公告)日:1984-07-18
5-(Amino or substituted amino) imidazoles of the formula:
in which R1 is (a) mono-substituted phenyl or mono- substituted phenalkyl where the substituent is trifluoromethyl, C2-3 alkanoyl, nitro, carboxy, alkoxycarbonyl, acetamido, C1-3 alkylthio, C1-3 alkylsulfinyl, C1-3 alkylsulfonyl or
where n is from 1 to 5, R5 is as defined below and X is 0, S, SO, SO2, CH2, CO, CHOH, CHCN or C=NR6 where R6 is hydrogen, C1-3 alkyl, hydroxy, C, 3 alkoxy, amino, C1-3 alkylamino, or di(C1-3 alkyl)amino; (b) phenyl or phenalkyl having from two to five R5 substituents where each R5, independently of the other(s), is halogen, cyano, trifluoromethyl, C2-3 alkanoyl, nitro, C2-3 alkyl, C2-3 alkoxy, carboxy, alkoxycarbonyl, trifluoromethoxy, acetamido, C1-3 alkylthio, C1-3 alkylsulfinyl, C1-3 alkylsulfonyl, trichlorovinyl, trifluoromethylthio, trifluoromethylsulfinyl, trifluoromethylsulfonyl or
where Rs, X, and n are as defined above, provided that if the monosubstituent or one of the polysubstituents is halogen, C1-3 alkyl or C1-3 alkoxy, such atoms or groups are in positions other than those ortho to the positions of attachment of the phenyl to the imidazole or the alkyl that is in turn attached to the imidazole; or (c) phenacyl, pyridyl, pyridy-Imethyl, naphthyl, naphthylmethyl, quinolyl, or quinoly-Imethyl;
R2 is amino, C, 3 alkylamino, di(C1-3 alkyl)amino, acetamido, acetimido, ureido, formamido, formimido or guanidino;
R3 is carbamoyl, cyano, carbazoyl, amidino or N-hydroxycarbamoyl; and
R4 is hydrogen, C, 3 alkyl, hydroxy, ammo, C1-3 alkylamino, di(C1-3 alkyl)amino, phenyl, cyano, C1-3 alkoxy, C2-3 alkanoyloxy, C1-3 alkylthio, C1-3 alkylsulfinyl, or C, 3 alkylsulfonyl are novel and possess anticoccidial activity. The compounds are useful for controlling caecal and or intestinal coccidiosis when administered in minor quantities to animals, in particular to poultry, usually in admixture with animal sustenance.
式中的 5-(
氨基或取代
氨基)
咪唑:
其中 R1 是 (a) 单取代苯基或单取代苯烷基,其中取代基是三
氟甲基、C2-3 烷酰基、硝基、羧基、烷氧羰基、乙酰
氨基、C1-3 烷
硫基、C1-3 烷基亚磺酰基、C1-3 烷基磺酰基或
其中 n 为 1 至 5,R5 如下文所定义,X 为 0、S、SO、SO2、
CH2、CO、CHOH、CHCN 或 C=NR6,其中 R6 为氢、C1-3 烷基、羟基、C, 3 烷氧基、
氨基、C1-3 烷基
氨基或二(C1-3 烷基)
氨基;(b) 具有 2 至 5 个 R5 取代基的苯基或苯烷基,其中每个 R5 独立地为卤素、
氰基、三
氟甲基、C2-3 烷酰基、硝基、C2-3 烷基、C2-3 烷氧基、羧基、烷氧基羰基、二(C1-3 烷基)
氨基、羧基、烷氧羰基、三
氟甲氧基、乙酰胺基、C1-3 烷
硫基、C1-3 烷基亚磺酰基、C1-3 烷基磺酰基、
三氯乙烯基、三
氟甲基
硫基、三
氟甲基亚磺酰基或
其中 Rs、X 和 n 如上文所定义,但如果单取代基或多取代基之一是卤素、C1-3 烷基或 C1-3 烷氧基,则这些原子或基团的位置应与苯基连接到
咪唑或烷基连接到
咪唑的正交位置不同;(c) 苯基、
吡啶基、
吡啶-甲基、
萘基、
萘甲基、
喹啉基或
喹啉-甲基;
R2 是
氨基、C, 3 烷基
氨基、二(C1-3 烷基)
氨基、乙酰
氨基、乙酰亚
氨基、
脲氨基、甲酰
氨基、甲酰亚
氨基或
胍氨基;
R3 是
氨基甲酰基、
氰基、
咔唑基、脒基或 N-羟基
氨基甲酰基;和
R4 是氢、C, 3 烷基、羟基、酰胺、C1-3 烷基
氨基、二(C1-3 烷基)
氨基、苯基、
氰基、C1-3 烷氧基、C2-3 烷酰氧基、C1-3 烷
硫基、C1-3 烷基亚磺酰基或 C, 3 烷基磺酰基。这些化合物通常与动物饲料混合,少量施用于动物,特别是家禽时,可用于控制肠球虫病。