ALKANIC ACID AMIDE DERIVATIVES, PROCESSES FOR PREPARATION THEREOF, HERBICIDAL COMPOSITION, AND METHOD OF CONTROLLING WEEDS Russian patent published in 1996 - IPC

FIELD: agriculture. SUBSTANCE: alkanic acid amide derivatives of formula 1 with certain definitions of radicals and processes for preparation thereof by reacting reagent 1 such as pyrimidine- carboxylic acid derivative and reagent 2 such as amine or by reacting reagent 1 such as pyrimidineamide derivative with reagent 2 such as alkyl-halide or by reacting reagent 1 such as pyrimidinesulfamide derivative with reagent 2 such as equivalent or greater amount of base. Herbicidel composition comprises, as the active ingredient, alkanic acid amide derivative in amount of 1- 30 wt parts and desired additives, the balance. The method of controlling weeds by treatment of soil on which plants will grow, or plants with alkanic acid amide derivatives in amount of 25-100 g/10 are. Structure of the compounds of formula: . Reagent 1: wherein W=OH or NHR₂ or NHSO₂R₅. EFFECT: improved properties of the herbicidal composition.