4-AMINO-6-(HETEROCYCLYL)PICOLINATES AND 6-AMINO-2-(HETEROCYCLYL)PYRIMIDINE-4-CARBOXYLATES AND THEIR USE AS HERBICIDES Russian patent published in 2018 - IPC C07D405/04 C07D401/04 C07D213/79 C07D411/04 A01N43/40 A01N43/54 A01P13/00 

FIELD: chemistry.

SUBSTANCE: invention relates to 4-amino-6-(heterocyclyl)picolinate and derivatives thereof, as well as to 6-amino-2-(heterocyclyl)pyrimidine-4-carboxylates and derivatives thereof of formula (I) in which X is N or CY, where Y is hydrogen, halogen or C₁-C₃ alkyl; R¹ is OR^1', where R^1' is hydrogen or C₁-C₈ alkyl; R² means halogen, C₂-C₄ alkenyl and C₁-C₄ alkoxy; R³ and R⁴ are independently hydrogen; A is one of the groups Ar4–Ar12 and Ar15–Ar18; R⁵ is hydrogen, halogen, C₁-C₄ alkyl or C₁-C₃ alkoxy; R^6th is hydrogen, halogen, C₁-C₄ alkyl or C₁-C₃ alkoxy; R^6' means hydrogen or halogen; R^6" is hydrogen or halogen; R^7th and R^7' are independently hydrogen, halogen or C₁-C₄ alkyl; R⁸ and R^8' are independently hydrogen or halogen; R⁹, R^9', R^9" and R^9"' are independently hydrogen; R¹⁰ is C₁-C_6th alkyl; and the coefficient m, if present in the formula, means 0; or an N-oxide or an agriculturally acceptable salt of said compound.

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EFFECT: new compounds have been obtained that can be used in agriculture to combat undesirable vegetation.

13 cl, 14 tbl, 13 ex