DERIVATIVES OF 2-(2,2-DIFLUOROCYCLOPROPYL)-ACETIC ACID SHOWING INSECTICIDE AND ACARICIDE ACTIVITY, METHODS OF THEIR SYNTHESIS, AGENT FOR STRUGGLE AGAINST INSECTS AND/OR ACARIDES AND METHOD OF STRUGGLE, AN INTERMEDIATE COMPOUND Russian patent published in 1996 - IPC

FIELD: organic chemistry. SUBSTANCE: product: derivatives of cyclopropylacetic acid, in part, derivatives of 2-(2,2-difluorocyclopropyl)-acetic acid of the formula (I) where A - oxygen or group -NR; B - (C-C)-alkylene; D - oxygen, sulfur or group -O-CH-; E - phenyl, phenyl substituted with one or two halogen atoms, pyridyl or pyridyl substituted with one or two halogen atoms or trifluoromethyl or halogen and trifluoromethyl or thiadiazolyl substituted with (C-C)-alkyl; R - hydrogen or (C-C)-alkyl. Reagent 1: derivative of butenoic acid. Reagent 2: fluorodichloroacetic acid alkaline salt. Reaction conditions: at 160-170 C in glycol ether followed by treatment with alcohol or amine.. Synthesized compounds were used in agriculture. EFFECT: improved method of synthesis. 12 cl, 2 tbl