| 摘要 |
The invention discloses novel N-(2-nitrophenyl)-5-aminopyrimidine derivatives of the general formula <IMAGE> (I) wherein R1 and R2 are each independently NO2 or CF3, or one of R1 and R2 is hydrogen, R3 is hydrogen or halogen, R4 is hydrogen or the -C(O)R' group, in which R' is C1-C4alkyl which is unsubstituted or substituted by halogen, C1-C3alkoxy or C1-C3alkylthio, R5, R6 and R7 are each independently hydrogen, halogen, nitro, cyano, thiocyano, mercapto, C1-C6alkyl, C1-C6haloalkyl, C1-C6alkoxy, C1-C6alkoxy which is substituted by halogen, nitro, cyano, C1-C3alkoxy, C1-C3alkylthio and/or N(C1-C4alkyl)2; or are C3-C6cycloalkoxy, C3-C6alkenyloxy, C3-C6alkynyloxy, C1-C6alkylthio, C3-C6alkenylthio, C1-C6alkylsulfonyl, C1-C6alkylsulfoxyl, C3-C6alkenyl, C3-C6haloalkenyl, C3-C6alkynyl, C3-C6haloalkynyl or the N(C1-C4alkyl)2 group, and R5 may additionally be a phenyl or benzyl group which is unsubstituted or substituted by one to three identical or different members selected from halogen, nitro, cyano, C1-C4alkyl, C1-C3haloalkyl, N-(C1-C3alkyl) 2, and/or C1-C3alkoxy. The preparation of these compounds and their use in agriculture are also disclosed.
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