申请人:IMPERIAL CHEMICAL INDUSTRIES PLC
公开号:EP0154528A2
公开(公告)日:1985-09-11
A compound of the formula
wherein X has the formula
wherein ring A is phenyl, naphthyl or heterocyclic; wherein R' is hydrogen, alkyl, alkanoyl or aroyl; wherein R2, R3 and R4, which may be the same or different, each is an electron withdrawing substituent selected from halogeno, nitro, cyano, trifluoromethyl, alkylthio, alkylsulphinyl and alkylsulphonyl or each is hydrogen, alkyl, alkoxy or dialkylamino provided that when ring A is phenyl or naphthyl at least one of R2, R3 and R4 is an electron-withdrawing substituent; wherein R5 and R6, which may be the same or different, each is hydrogen, halogeno or alkyl; wherein R7 is alkyl or halogenoalkyl; and wherein RS is carbamoyl, alkyl, cycloalkyl, alkenyl, alkynyl, halogenoalkyl, halogenoalkenyl, halogenoalkynyl, alkanoyl, alkylcarbamoyl, dialkylcarbamoyl or aroyl; or wherein R8 is alkyl or alkenyl which bears one or more substituents selected from cyano, carbamoyl, amino, hydroxy, alkanoyl, alkoxy, alkylthio, alkenylthio, alkylsulphinyl, alkenylsulphinyl, alkylsulphonyl, alkenylsulphonyl, alkanoylamino, alkoxycarbonylamino, alkylsulphonamido, alkylamino, dialkylamino dialkylsulphamoyl, aroyl, aryl, arylthio, arylsulphinyl, arylsulphonyl, heterocyclylthio, heterocyclylsulphinyl and heterocyclylsulphonyl; or wherein R8 has the formula
wherein ring B is phenyl, naphthyl or heterocyclyl and wherein R2, R3 and R4 have any of the meanings stated above, provided that when R7 is methyl R8 is not also methyl.
式中的化合物
其中 X 具有式
其中环 A 是苯基、萘基或杂环; 其中 R' 是氢、烷基、烷酰基或芳基;其中 R2、R3 和 R4(可以相同或不同)各自是选自卤代、硝基、氰基、三氟甲基、烷硫基、烷基亚磺酰基和烷基磺酰基的抽电子取代基,或者各自是氢、烷基、烷氧基或二烷基氨基,条件是当环 A 是苯基或萘基时,R2、R3 和 R4 中至少有一个是抽电子取代基;其中R5和R6可以相同或不同,各自为氢、卤素或烷基; 其中R7为烷基或卤代烷基;其中 RS 是氨基甲酰基、烷基、环烷基、烯基、炔基、卤代烷基、卤代烯基、卤代炔基、烷酰基、烷基氨基甲酰基、二烷基氨基甲酰基或芳基;或其中 R8 是烷基或烯基,带有一个或多个取代基,选自氰基、氨基甲酰基、氨基、羟基、烷酰基、烷氧基、烷硫基、烯硫基、烷基亚磺酰基、烯基亚磺酰基、烷基磺酰基、烯基磺酰基、烷酰氨基、烷氧羰基氨基、烷基磺酰胺、烷基氨基、二烷基氨基、二烷基磺酰胺酰基、芳基、芳硫基、芳基亚砜基、芳基磺酰基、杂环亚砜基、杂环亚砜基和杂环磺酰基;或其中 R8 具有以下式子
其中环 B 是苯基、萘基或杂环基,R2、R3 和 R4 具有上述任何一种含义,但 R7 是甲基时,R8 不也是甲基。