FIELD: organic chemistry. SUBSTANCE: products - derivatives of dimethyl ester of the formula 
where R1 - H or Hal; R2 - N or CR3 where R3 - Hal or NO2; R4 - H, Hal, NO2, CN or COOCH3; R5 - Hal; R7 - COOR8 or CONR8; R9, R8 - H, C1-C6-alkyl nonobligatory substituted with phenyl, C2-C6-alkenyl or C2-C6-alkinyl; R
. Reagent 2: Y-CR5-HR7 where Y - split off group. Synthesized compounds are used in agriculture. EFFECT: improved method of synthesis. 6 cl, 8 tbl
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