Herbicidal 5-pyrimidylcyclohexan-1,3, dione derivatives

Details Herbicidal 5-pyrimidylcyclohexan-1,3, dione derivatives Herbicidal 5-pyrimidylcyclohexan-1,3, dione derivatives

C - Chemistry, Metallurgy

07

D

260/251, 71/7.9

C07D 239/24 (2006.01) A01N 43/54 (2006.01) C07D 239/26 (2006.01) C07D 239/34 (2006.01) C07D 239/38 (2006.01) C07D 239/42 (2006.01) C07D 239/52 (2006.01) C07D 239/60 (2006.01)

Patent

CA 1251207

ABSTRACT Herbicidal 5-pyrimidylcyclohexan-1,3,dione derivatives The invention concerns novel compounds of the formula I Image I wherein: X are selected from halogen, nitro, cyano, alkyl, substituted alkyl, hydroxy, alkoxy, substituted alkoxy, alkeny1, alkenyloxy, alynyl, alkynyloxy, acyloxy, alkoxycarbonyl, alkylthio, alkylsulfinyl, alkylsulfonyl, sulfamoyl, substituted sulfamoyl, alkanoyloxy, benzyl- oxy, substituted benzyloxy, amino, substituted amino, and the groups formyl and alkanoyl and the oxime, imine and Schiff base derivatives thereof; R1 is selected from hydrogen, alkyl, alkenyl, alkynyl, substituted alkyl, alkylsulfonyl, arylsulfonyl, acyl and an inorganic or organic cation; R2 is selected from alkyl, substituted alkyl, alkenyl, haloalkenyl, alkynyl and haloalkynyl; R3 is selected from alkyl, fluoroalkyl, alkenyl, alkynyl, and phenyl; R4 is selected from hydrogen, halogen, alkyl, cyano and alkoxycarbonyl and n is selected from the integers 1 and 2. The compounds of the invention show herblcidal properties and plant growth regulating properties and in further embodiments the invention provides processes for the preparation of compounas of fonmula I, intermediates useful in the preparation of the compounds of fornula I, compositions containing as actiue ingred- ient a compound of formula I, and herbicidal and plant growtb regulating processes utilizing compounds of formula I.

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