DERIVATIVES OF 3-CYANO-5-ALKOXY-1-ARYLPYRAZOLE AND COMPOSITION ON THEIR BASIS Russian patent published in 1995 - IPC

FIELD: organic chemistry. SUBSTANCE: derivative of 3-cyano-5-alkoxy-1-arylpyrazole of the formula (I) where R - C₁-C₄-alkyl, unsubstituted or substituted with one or more halogen atoms which are similar or different up to complete substitution; R₁-C₁-C₄-alkyl unsubstituted or substituted with cyano-group, C₁-C₄-alkoxycarbonyl, aminocarbonyl or phenyl-group, R₂, R₃, R₅, R₆ every with hydrogen atom or halogen atom, R₄ means halogen atom or C₁-C₄-alkyl or C₁-C₄-alkoxy-group, and this group is substituted with one or more halogen atoms which are similar or different, n 0, 1, 2. Composition against Arthropoda, nematodes, helminthes and Protozoa pests prepared on the basis of compound of the formula (I) is used at concentration 0.05-95 wt.-% Composition is used in agriculture. EFFECT: improved method of synthesis, enhanced effectiveness of composition. 7 cl, 3 tbl