DERIVATIVES OF 2-CYANO-1,3-DIONE OR THEIR ENOL TAUTOMERIC FORMS OR AGRICULTURALLY ACCEPTABLE SALTS OF ENOL TAUTOMERIC FORM, METHOD OF THEIR SYNTHESIS, HERBICIDE COMPOSITION AND A METHOD OF STRUGGLE AGAINST WEEDS Russian patent published in 1995 - IPC

Abstract RU 2051148 C1

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

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RU 2 051 148 C1

Authors

Pol Al'Fred Kejn[Us]

S'Juzan Mehri Krehmp[Gb]

Dates

1995-12-27Published

1992-01-24Filed