2-aroylcyclohexanediones, their preparation and their use as...

Details 2-aroylcyclohexanediones, their preparation and their use as... 2-aroylcyclohexanediones, their preparation and their use as...

C - Chemistry, Metallurgy

07

C

C07C 317/24 (2006.01) A01N 35/04 (2006.01) A01N 35/06 (2006.01) A01N 41/02 (2006.01) A01N 41/10 (2006.01) A01N 43/00 (2006.01) C07C 49/84 (2006.01) C07C 205/45 (2006.01) C07C 245/08 (2006.01) C07C 309/73 (2006.01) C07C 311/08 (2006.01) C07C 311/29 (2006.01) C07C 323/64 (2006.01) C07D 317/14 (2006.01) C07D 317/26 (2006.01) C07D 319/06 (2006.01) C07D 339/00 (2006.01) C07F 9/40 (2006.01)

Patent

CA 2200497

2-aroylcyclohexandiones have general formula (I), in which X, Y stand for O or S; Ar stands for phenyl or heteroaryl with 1 to 4 substituents; or two adjacent carbon atoms of the phenyl or heteroaryl ring may also be bridged by a chain; R1, R2, R3, R4 stand for hydrogen or C1-C4-alkyl; R5 stands for H, C1- C4-alkyl or C1-C4-alkoxycarbonyl; R6, R7 stand for C1-C4-alkyl, benzyl or stand together for an optionally substituted ethylene or propylene chain. Also disclosed are the salts and esters of these compounds with acids, except for 2- (4-chloro-2-nitrobenzoyl)-5-dimethoxymethyl-5-methyl-cyclohexan-1,3-dione, and their use as herbicides and growth regulators.

Des 2-aroylcyclohexandiones ont la formule générale (I), dans laquelle X, Y désignent O ou S; Ar désigne phényle ou hétéroaryle ayant 1 à 4 substituants; ou bien deux atomes de carbone adjacents du cycle phényle ou hétéroaryle peuvent également être pontés par une chaîne; R?1¿, R?2¿, R?3¿, R?4¿ désignent hydrogène ou alkyle C¿1?-C¿4?; R?5¿ désigne H, alkyle C¿1?-C¿4? ou alcoxycarbonyle C¿1?-C¿4?; R?6¿, R?7¿ désignent alkyle C¿1?-C¿4?, benzyle ou désignent ensemble une chaîne éthylène ou propylène éventuellement substituée. L'invention concerne ces composés, à l'exception de la 2-(4-chloro-2-nitrobenzoyl)-5-diméthoxyméthyl-5-méthyl-cyclohexane-1,3-dione, ainsi que leurs sels et esters avec des acides. Ces composés sont utiles comme herbicides et comme régulateurs de la croissance.

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