DERIVATIVES OF 1-ARYL-5-(SUBSTITUTED METHYLIDENEIMINO)-PYRAZOLE, METHOD OF CONTROL OF UNFAVORABLE INSECTS AND INSECTICIDE COMPOSITION Russian patent published in 1997 - IPC

FIELD: organic chemistry. SUBSTANCE: product: derivatives of 1-aryl-5-(substituted methylideneimino)-pyrazole of the general formula (I) where: R - C or Cl; R¹ - O₂, CF₃ or R^5,5(O) where R⁵-(C_1-4)-alkyl, trihalide-C_1-4-alkyl; n = 0-2; R² - unsubstituted phenyl of phenyl substituted with 1-4 similar or different groups: OH, Hal, C₁O₂(C_1-4)-alkyl, CF₃, (C_1-10)-alkokene, (C_2-8)-alkanoylhydroxy, benzylhydroxy, (C_1-4)-alkylthio, R⁶R⁷ where R⁶ and R⁷ - independently H, (C_1-4)-alkyl or CH₃CO, or R² - 4-pyrazyl, 4-pyridyl-N-oxide, 2-thienyl, 3-furanyl, 2-imidazolyl, 6-benzo-1,3-dioxalyl; R³ - Hal; R⁴ - Hal, CF₃, OCF₃; X, CCl or CH. Method of control involves treatment with compound of the formula (I) at effective dose and insecticide composition has 0.1-50 wt.-% of this compound as an active component in combination with solid or liquid carrier and/or additional components and used in agriculture. EFFECT: improved method of synthesis. 6 cl, 3 tbl