Saccharin-5-carbonyl derivatives with herbicidal effect

C - Chemistry – Metallurgy – 07 – D

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C07D 275/06 (2006.01) A01N 43/80 (2006.01)

Patent

CA 2366603

The invention relates to saccharin 5 carbonyl derivatives of formula (I), wherein the substituents have the following meaning: L represents C1-C6-alkyl, C1-C6-alkoxy; Z represents C1-C6-alkyl, C3-C8-cycloalkyl, C3-C6-alkenyl, C3-C5- alkinyl, phenyl-C1-C6-alkyl or phenyl, wherein the phenyl rings are optionally substituted once or several times by C1-C6-alkyl, C1-C6-alkoxy or halogen; M represents hydrogen, C1-C6-alkyl, C1-C6-alkoxy, halogen, cyano, nitro or halogen-C1-C6-alkyl; R1, R2, R3, R4, R5, R6, R7, R8 represent hydrogen, C1-C6- alkyl. The invention also relates to the agriculturally usable salts of compound (I).

Dérivés de saccharine-5-carbonyle de formule (I), dans laquelle L représente alkyle C¿1?-C¿6?, alcoxy C¿1?-C¿6?; Z représente alkyle C¿1?-C¿6?, cycloalkyle C¿3?-C¿8?, alcényle C¿3?-C¿6?, alcinyle C¿3?-C¿5?, phényle-alkyle C¿1?-C¿6? ou phényle, les noyaux phényle étant éventuellement substitués une ou plusieurs fois par alkyle C¿1?-C¿6?, alcoxy C¿1?-C¿6? ou halogène; M représente hydrogène, alkyle C¿1?-C¿6?, alcoxy C¿1?-C¿6?, halogène, cyano, nitro ou halogène-alkyle C¿1?-C¿6?; R?1¿, R?2¿, R?3¿, R?4¿, R?5¿, R?6¿, R?7¿, R?8¿ représentent hydrogène, alkyle C¿1?-C¿6?, ainsi que sels utilisables sur le plan agricole desdits composés de formule (I).

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