申请人:Pfizer Inc.
公开号:US06255333B1
公开(公告)日:2001-07-03
Parasiticidal pyrazole derivatives of formula (I) wherein: R1 represents CN, C1-6 alkoxycarbonyl, NO2, CHO, C1-6 alkanoyl, phenyl optionally substituted by one or more halogen, or C1-6 alkyl optionally substituted by one or more halogen; R2 represents a group of formula (II), (III) or (IV) in which: R7 represents H, halogen, carbamoyl, cyano, tri(C1-6 alkyl)silyl, C1-6 alkyl (optionally substituted by one or more halogen, OH or C1-6 alkoxy), C1-6 alkoxycarbonyl, phenyl, or a 5- or 6-membered ring heterocycle which is saturated or partially or fully unsaturated and contains up to 4 hetero-atoms independently selected from up to 4 N atoms, up to 2 O atoms and up to 2 S atoms and which is attached to the alkynyl moiety by an available C, S or N atom where the valence allows; and R8, R9 and R10 each independently represents H, halogen, phenyl optionally substituted by one or more halogen, CN or C1-6 alkyl optionally substituted by one or more halogen; R3 represents H, C1-6 alkyl, halogen, NH2, NH(C1-6 alkanoyl), NH(C1-6 alkoxycarbonyl), N(C1-6 alkoxycarbony)2, NH(C1-6 alkyl), N(C1-6 alkyl)2, NHCONH(C1-6 alkyl), N-pyrrolyl, NHCONH(phenyl optionally substituted by one or more halogen), N—CH(phenyl), OH, C1-6 alkoxy, SH or S(O)n(C1-6 alkyl optionally substituted by one or more halogen) where n is 0, 1 or 2; and R4, R5 and R6 each independently represents H, halogen, C1-6 alkyl optionally substituted by one or more halogen, C1-6 alkoxy optionally substituted by one or more halogen, S(O)n(C1-6 alkyl optionally substituted by one or more halogen) where n is 0, 1 or 2, or CH3CO, CN, CONH2, CSNH2, OCF3, SCF3 or SF5; or a pharmaceutically or veterinarily acceptable salt thereof.
化学式(I)中的寄生虫杀灭性吡唑衍生物,其中:R1代表CN,C1-6烷氧羰基,NO2,CHO,C1-6烷酰基,苯基(可选择性地被一个或多个卤素取代),或者C1-6烷基(可选择性地被一个或多个卤素取代);R2代表化合物(II)、(III)或(IV)中的一个基团,其中:R7代表H,卤素,氨基甲酰基,氰基,三(C1-6烷基)硅基,C1-6烷基(可选择性地被一个或多个卤素、OH或C1-6烷氧基取代),C1-6烷氧羰基,苯基,或者一个饱和或部分或完全不饱和的含有最多4个杂原子的5-或6元环异构体,这些杂原子独立地选自最多4个N原子、最多2个O原子和最多2个S原子,并且通过一个可用的C、S或N原子与炔基部分结合,其价允许;R8、R9和R10分别独立地代表H,卤素,苯基(可选择性地被一个或多个卤素取代),CN或C1-6烷基(可选择性地被一个或多个卤素取代);R3代表H,C1-6烷基,卤素,NH2,NH(C1-6烷酰基),NH(C1-6烷氧羰基),N(C1-6烷氧羰)2,NH(C1-6烷基),N(C1-6烷基)2,NHCONH(C1-6烷基),N-吡咯基,NHCONH(苯基可选择性地被一个或多个卤素取代),N—CH(苯基),OH,C1-6烷氧基,SH或S(O)n(C1-6烷基可选择性地被一个或多个卤素取代),其中n为0、1或2;R4、R5和R6分别独立地代表H,卤素,C1-6烷基(可选择性地被一个或多个卤素取代),C1-6烷氧基(可选择性地被一个或多个卤素取代),S(O)n(C1-6烷基可选择性地被一个或多个卤素取代),其中n为0、1或2,或者CH3CO,CN,CONH2,CSNH2,OCF3,SCF3或SF5;或其在药学或兽医学上可接受的盐。