Certain 2-(2'-substituted benzoyl)-1,3-cyclohexanediones

C - Chemistry – Metallurgy – 07 – C

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260/477, 260/542

C07C 317/24 (2006.01) A01N 35/06 (2006.01) A01N 41/10 (2006.01) C07C 323/22 (2006.01)

Patent

CA 1314557

CERTAIN 2-(2'-SUBSTITUTED BENZOYL)-1,3-CYCLOHEXANEDIONES Abstract of the Disclosure Compounds of the formula Image wherein n is the integer 0, 1 or 2; R is C1-C4 alkyl; R1 is hydrogen or C1-C4 alkyl; R2 is hydrogen, C1-C4 alkyl or Ra-O-?- wherein Ra is C1-C4 alkyl; R1 and R2 together are alkylene having 3 to 6 carbon atoms; R3 is hydrogen or C1-C4 alkyl; R4 is hydrogen or C1-C4 alkyl; R5 is hydrogen or C1-C4 alkyl; R6 is hydrogen or C1-C4 alkyl; and R7 and R8 independently are (1) hydrogen; (2) halogen; (3) C1-C4 alkyl; (4) C1-C4 alkoxy; (5) OCF3; (6) cyano; (7) nitro; (8) C1-C4 haloalkyl; (9) RbSOn- wherein n is the integer 0, 1 or 2; and Rb is (a) C1-C4 alkyl; (b) C1-C4 alkyl substi- tuted with halogen or cyano; (c) phenyl; or (d) benzyl; (10) -NRcRd where- in Rc and Rd independently are hydrogen or C1-C4 alkyl; (11) ReC(O)- wherein Re is C1-C4 alkyl or C1-C4 alkoxy; or (12) SO2NRcRd wherein Rc and Rd are as defined with the proviso that R7 is not attached to the 6-posi- tion, are effective as herbicides.

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