SUBSTITUTED DERIVATIVES OF PYRAZOLE AND AGENT EXHIBITING HERBICIDE ACTIVITY Russian patent published in 2000 - IPC

FIELD: organic chemistry, herbicides, agriculture. SUBSTANCE: invention describes the novel substituted derivatives of pyrazole of the general formula (I) where R¹- is alkyl with 1-4 carbon atoms; R²- is alkylthio-group with 1-4 carbon atoms or alkoxyl-group with 1-4 carbon atoms that can be unsubstituted or substituted with one or some halogen atoms; R¹ and R² form in common the group -(CH₂)_m-; R³ is hydrogen or halogen atom; R⁴ is hydrogen atom, nitro-, cyano-group or -C(O)NH₂-group; R⁵ mean groups -C(=Y)-R⁶, -CH₂-CH(R₃)-COOR⁷ where R⁶ means hydrogen atom, alkyl with 1-6 carbon atoms that can be unsubstituted or substituted with one or some similar or different substituents taken among the group including halogen atom, hydroxyl or OR¹⁶-group where R¹⁶ means hydrogen atom, alkyl with 1-6 carbon atoms that can be unsubstituted or substituted with one or some similar or different substituents taken among the group including halogen atom and alkoxyl with 1-4 carbon atoms; Y is oxygen, groups -N-OR¹⁷ and -C-(R¹⁸)-R¹⁹ where R¹⁷ means hydrogen atom, alkyl with 1-6 carbon atoms, alkenyl with 2-6 carbon atoms, alkynyl with 3-6 carbon atoms, alkoxy- -carbonylalkyl with 1-4 carbon atoms in alkoxycarbonyl moiety and with 1-4 carbon atoms in alkyl moiety that can be substituted additionally with halogen atoms; R¹⁸ and R¹⁹ each indendently means hydrogen, halogen atom, cyano-group, alkyl with 1-6 carbon atoms, alkenyl with 2-6 carbon atoms, alkoxy- -carbonylalkyl with 1-4 carbon atoms in alkoxycarbonyl moiety and with 1-4 carbon atoms in alkyl moiety that can be substituted additionally with halogen atoms; R⁷ is alkyl with 1-4 carbon atoms; R³ has the above indicated value or groups: (a) , (b) , (c) , (d) where R⁸ means hydrogen atom or alkyl with 1-4 carbon atoms; R⁹, R¹⁰, R¹¹, R¹², R¹³, R¹⁴ each independently means hydrogen, halogen atom, alkyl with 1-4 carbon atoms that can be unsubstituted or substituted with halide, alkyl with 1-4 carbon atoms and alkoxycarbonyl with 1-4 carbon atoms substituted with one or some similar or different substituents taken among the group including hydroxyl and alkoxyl with 1-4 carbon atoms; R¹⁵ is alkyl with 1-4 carbon atoms; m = 3 or 4; n = 0, 1, 2 or 3; p = 0 or 1; X is oxygen or sulfur; Z is oxygen or sulfur; W is oxygen or carbon. Compounds exhibit herbicide activity. Invention describes also herbicide agent based on compounds of the formula (I). EFFECT: new compounds indicated above, herbicide activity. 5 cl, 2 tbl, 7 ex