PYRAZOLE OR SALT THEREOF AND METHOD OF PRODUCING, HERBICIDAL COMPOSITION AND USE THEREOF Russian patent published in 2019 - IPC C07D403/10 A01N43/56 A01P13/00 C07C22/04 C07C23/08 C07D231/00 

FIELD: chemistry.

SUBSTANCE: invention relates to organic chemistry and specifically to pyrazole compounds of formula (I), in which R denotes

,

where R', R'', R''' denote hydrogen, C1-C4 alkyl, C1-C4 halogenated alkyl or halogen, R', R'', R''' can be identical or different; R₁ means C1-C3 alkyl; R₂ is hydrogen or C1-C4 alkyl; R₃ means hydrogen, C1-C6 alkylcarbonyl, C1-C6 alkoxylcarbonyl, C1-C6 alkoxylcarbonylmethyl, C1-C4 alkylsulfonyl, or phenylsulfonyl substituted with alkyl, or benzoyl, or its salt. Also disclosed are specific pyrazole compounds of formula (I), intermediate seiodienia of formula (III) and formula (V), a method of producing pyrazole compounds of formula (I), an herbicidal composition based on pyrazole compounds of formula (I), a weed control method and use of pyrazole compounds of formula (I) for controlling weeds.

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EFFECT: technical result is obtaining novel pyrazole compounds, which are used as herbicides for controlling weeds.

13 cl, 12 ex, 3 tbl