Herbicidal 1-aryl-.delta..sup.2-1,2,4-triazolin-5-ones

C - Chemistry – Metallurgy – 07 – D

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71/8.3, 260/304.

C07D 405/12 (2006.01) A01N 43/653 (2006.01) C07D 403/12 (2006.01) C07D 409/12 (2006.01)

Patent

CA 1236463

ABSTRACT HERBICIDAL 1-ARYL-.DELTA.2-1,2,4-TRIAZOLIN-5-ONES Aryltriazolinones of the formula Image in which W is oxygen or sulfur; X1 and X2 are indepen- dently selected from halogen, haloalkyl, and alkyl; R is a three- to eight-membered ring heterocyclic group of one or two, same or different, ring heteroatoms selected from oxygen, sulfur, and nitrogen, or an alkyl radical substi- tuted with said heterocyclic group; R1 is alkyl, halo- alkyl, cyanoalkyl, alkenyl, alkynyl, or a group of the formula -alkyl-Y-R3; R2 is halogen, alkyl, cyanoalkyl, haloalkyl, arylalkyl, or a group of the formula -alkyl- Y-R3; R3 is alkyl, alkenyl, or alkynyl; and Y is oxygen or S(O)r in which r is 0 to 2 are disclosed and exempli- fied. These novel compounds have herbicidal utility.

465372

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