Herbicidal 4-benzoyl-1-alkyl(alkenyl)-pyrazoles

Details Herbicidal 4-benzoyl-1-alkyl(alkenyl)-pyrazoles Herbicidal 4-benzoyl-1-alkyl(alkenyl)-pyrazoles

C - Chemistry, Metallurgy

07

D

260/315.3, 71/8.

C07D 231/20 (2006.01) A01N 43/56 (2006.01)

Patent

CA 1283116

ABSTRACT OF THE DISCLOSURE Novel pyrazole derivatives of the formula 1: Image (I) wherein R represents a lower alkyl group or a lower alkenyl group atoms which may be substituted by halogen atom, X represents a halogen atom, a lower alkyl group, nitro group, cyano group, a lower alkylsulfonyl group or trifluoromethyl group, n is an integer of 2 to 4, Q represents hydrogen atom; an aralkyl group which may be substituted by halogen atom, nitro group, cyano group or a lower alkyl group; benzenesulfonyl group which may be substituted by a lower alkyl group or halogen atom; benzoyl group which may be substituted by a lower alkyl group or halogen atom; phenacyl group which may be substituted by a lower alkyl group or halogen atom; a lower alkyl group which may be substituted by halogen atom; a lower alkenyl group which may be substituted by halogen atom: or a lower alkynyl group. and a method for preparation of said derivatives, a selective berbicidal composition containing said derivatives as active ingredient, as well as a method for controlling weeds using said derivatives.

508939

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