FIELD: organic chemistry. SUBSTANCE: product: derivatives of 2-cyano-1,3-dione of the formula (I) R-C(O)-CH(CN)-C(O)-(2R′)(3R2)[(4S(O)nR4](5R3)-C6H2 where R lower alkyl which is nonsubstituted or substituted with lower alkyl, lower cycloalkyl; R1 halogen, lower alkoxyl or haloid-lower alkyl; R2 hydrogen, halogen or lower alkoxyl; R3 hydrogen; R4 lower alkyl; n 0-2, or their salts. Method of synthesis involves interaction of corresponding beta-ketonitrile with corresponding benzoyl chloride. Herbicide composition containing compound of the formula (I) and a method of struggle against weeds using composition indicated above. EFFECT: improved method of synthesis. 11 cl, 2 tbl
Title |
Year |
Author |
Number |
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