Diphenyl sulfone compounds, and their production and use

Details Diphenyl sulfone compounds, and their production and use Diphenyl sulfone compounds, and their production and use

C - Chemistry, Metallurgy

07

D

260/350, 71/7, 2

C07D 309/12 (2006.01) A01N 41/10 (2006.01) A01N 43/02 (2006.01) A01N 43/08 (2006.01) A01N 43/16 (2006.01) A01N 43/28 (2006.01) A01N 57/14 (2006.01) C07D 307/33 (2006.01) C07D 317/22 (2006.01) C07F 9/12 (2006.01)

Patent

CA 1227491

- 1 - Abstract: The invention provides diphenyl sulfone compounds of the formula: (I) Image wherein R1 and R2, which may be the same or different, each represents a hydrogen atom, a halogen atom, a lower alkyl group, a lower alkoxy group, a lower alkenyloxy group, a lower alkynyloxy group, a phenoxy group a lower alkylthio group, a lower alkylsulfonyl group or a lower alkoxycarbonyl(lower)alkoxy group, R3 is a hydroxyl group, a lower alkenyloxy group, a lower alkynyloxy group, a halo(lower)alkoxy group, a dihalo(lower)alkoxy group, a lower alkoxyclower)alkoxy group, a cyano(lower)alkoxy group, a lower alkoxycyano(lower)alkoxy group, a hydroxy- (lower)alkoxy group, a lower alkylcarbonyloxy group, a lower alkoxycarbonyl group, a lower alkylthio(lower)alkoxy group, a lower alkenyloxy(lower)alkoxy group, a di(lower)- alkylamino(lower)alkoxy group, a hydroxyimino(lower)alkoxy group, a lower alkoxyimino(lower)alkoxy group, a lower alkylsulfonyloxy group, a lower alkoxycarbonyloxy group, a di(lower)alkoxyphosphinyloxy group, an oxotetrahydro- furanyloxy group, a tetrahydropyranyloxy group, a lower alkyl-1,3-oxolanyl(lower)alkoxy group or a group of the -2- formula: -O-A-COR4 (in which A is lower alkylene, lower alkenylene, lower alkyleneoxy, halo(lower)alkylene or lower alkoxy(lower)alkylene and R4 is hydroxyl, lower alkyl, halo(lower)alkyl, lower alkoxy, lower alkenyloxy, loweralkynyloxy, halo(lower)alkoxy, lower alkoxy(lower)- alkoxy, cyano(lower)alkoxy, lower alkoxycarbonyl(lower)- alkoxy, di(lower)alkylamino, N-( -lower alkyl(lower)- alkylidene)-aminoxy or lower alkylthio) and X is a hydrogen atom or a halogen atom. These compounds are useful as selective herbicides.

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