Hetero-substituted pyrid-4-one derivatives, a process for...

Details Hetero-substituted pyrid-4-one derivatives, a process for... Hetero-substituted pyrid-4-one derivatives, a process for...

C - Chemistry, Metallurgy

07

D

71/8.1, 260/279.

C07D 401/04 (2006.01) A01N 43/40 (2006.01) A01N 43/48 (2006.01) A01N 43/50 (2006.01) A01N 43/56 (2006.01) A01N 43/653 (2006.01) C07D 521/00 (2006.01)

Patent

CA 1196921

Abstract Herbicidally Active Novel Hetero-substituted pyrid-4-one derivatives Hetero-substituted pyrid-4-one derivatives of the general formula (I) Image in which R1 represents an optionally substituted phenyl radical, R2 represents an alkyl, alkenyl, alkinyl, alkoxy, alkoxyalkyl or dialkylamino radical, and R3 and R4, together with the nitrogen atom to which they are bonded, represent an optionally substit- uted heterocyclic radical, are novel, are produced as described and find use as herbicides, especially as selective herbicides for com- bating graminaceous weeds in crops such as cotton, wheat, soy beans and corn.

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