SUBSTITUTED PICOLINIC ACIDS AND PYRIMIDINE-4-CARBOXYLIC ACIDS, METHOD FOR PRODUCTION THEREOF, AND USE THEREOF AS HERBICIDES AND PLANT GROWTH REGULATORS Russian patent published in 2017 - IPC C07D401/04 C07D403/04 C07D405/04 C07D409/04 C07D413/04 C07D417/04 A01N43/40 A01P13/00 

FIELD: chemistry.

SUBSTANCE: invention relates to compounds of formula (I), N-oxide or salt thereof:

,

where A denotes a residue, selected from a group consisting of A1, A2, A13 and A14:

and ,

R¹ denotes hydrogen or alkyl with 1–4 carbon atoms, R² denotes chlorine, R³ denotes hydrogen, R⁴ denotes hydrogen, R⁵ denotes hydrogen, halogen, OH, NH₂, CN, alkyl with 1–3 carbon atoms, alkoxy with 1–3 carbon atoms, alkylamino with 1–3 carbon atoms or cyclopropyl, R⁶ denotes hydrogen, halogen, OH, NH₂, CN, alkyl with 1–3 carbon atoms, alkoxy with 1–3 carbon atoms, cyclopropyl or vinyl, R⁷ denotes hydrogen, halogen, alkyl with 1–3 carbon atoms, alkoxy with 1–3 carbon atoms, alkylthio with 1-3 carbon atoms, cyclopropyl, alkylamino with 1–3 carbon atoms or phenyl, R⁸ denotes hydrogen, alkyl with 1–3 carbon atoms, phenyl or alkylcarbonyl with 1–3 carbon atoms, X denotes N, CH, CCl, CF or CBr, n equals 0, 1 or 2, used as herbicides.

EFFECT: substituted picolinic and pyrimidine-4-carboxylic acids, method for production thereof and use thereof as herbicides and plant growth regulators.

7 cl, 45 tbl