Herbicidal cyclohexane-1,3-dione derivatives

Details Herbicidal cyclohexane-1,3-dione derivatives Herbicidal cyclohexane-1,3-dione derivatives

C - Chemistry, Metallurgy

07

C

260/492.1, 260/4

C07C 45/45 (2006.01) A01N 35/10 (2006.01) C07C 45/46 (2006.01) C07C 49/755 (2006.01)

Patent

CA 1261871

ICIA 1260 ABSTRACT HERBICIDAL CYCLOHEXANE-1,3-DIONE DERIVATIVES The invention concerns novel compounds of the formula I and isomers thereof Image I wherein: n is an integer selected from 2 to 4; m is zero or an integer selected from 1 to 3; X, which may be the same or different, are indepen- dently selected from halogen, alkyl, alkoxy and alkyl- thio; R1 is selected from hydrogen, 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; and R4 is selected from hydrogen, halogen, alkyl, cyano and alkoxycarbonyl. The compounds of the invention show herbicidal properties and plant growth regulating properties and in further embodiments the invention provides pro- cesses for the preparation of compounds of formula I, intermediates useful in the preparation of the com- pounds of formula I, compositions containing as active ingredient a compound of formula I, and herbi- cidal and plant growth regulating processes utilizing compounds of formula I.

491163

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