Pyrazole amides and thioamides

Details Pyrazole amides and thioamides Pyrazole amides and thioamides

C - Chemistry, Metallurgy

07

D

71/8.1, 260/315.

C07D 405/06 (2006.01) C07D 211/06 (2006.01) C07D 231/00 (2006.01) C07D 233/64 (2006.01) C07D 295/18 (2006.01)

Patent

CA 1053231

ABSTRACT OF THE DISCLOSURE Compounds of the formula: Image Formula I wherein R1 and R2 are the same or different and are hydrogen. halogen, alkyl of from 1 to 6 carbon atoms, inclusive, halo- alkyl of from 1 to 6 carbon atoms, phenyl or R1 and R2 can be joined to form a cycloalkyl ring of from 3 to 6 carbon atoms; R3 is hydrogen, alkyl of from 1 to 8 carbon atoms, inclusive, phenyl or benzyl; R4 is hydrogen, or alkyl of from 1 to 6 carbon atoms, inclusive, and R3 and R4 can be joined together to form a heterocyclic ring selected from the group consisting of morpholine, pyrrolidine or piperi- dine. A and B are the same or different and are hydrogen, alkyl of from 1 to 6 carbon atoms, inclusive, phenyl, halo- gen, cyano, nitro or trifluoromethyl and when adjacent can be joined to form a ring of from 5 to 7 carbon atoms, inclu- sive; 2 is selected from the group consisting of Image Image -1- or Image wherein X is halogen, nitro, alkyl, haloalkyl, or alkoxy of from 1 to 3 carbon atoms, inclusive, and n is 0, 1, or 2; W is selected from the group consisting of oxygen and sulfur; or an acid addition salt thereof formed with a strong acid. Methods for preparing the compounds and agricultural compositions comprising the compounds with carriers for use as herbi?ides by application to follage, soil or ponds for the control of unwanted vegetation are disclosed. -1?

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