Carboxylic acid derivatives

Details Carboxylic acid derivatives Carboxylic acid derivatives

C - Chemistry, Metallurgy

07

D

260/259, 260/296

C07D 239/28 (2006.01) A01N 43/54 (2006.01) A01N 43/66 (2006.01) A01N 43/80 (2006.01) A01N 43/82 (2006.01) C07D 213/62 (2006.01) C07D 239/60 (2006.01) C07D 251/12 (2006.01) C07D 401/12 (2006.01) C07D 413/12 (2006.01) C07D 413/14 (2006.01)

Patent

CA 2022747

Carboxylic acid derivatives of the general formula (I): (see above formula) where R1 and R2 are each C1-C4-alkyl, C1-C4-haloalkyl, C1-C4-alkoxy, C1-C4-haloalkoxy and/or C1-C4-alkylthio; R3 is hydrogen, hydroxyl, cyano, nitro, formyl, halogen, unsubstituted or substituted amino, C1-C4-alkyl, C1-C4-alkoxy, C3-C6-alkenyl, C3-C8-alkenyloxy, C3-C6-alkynyl or C3-C6-alkynyloxy; R4 is hydrogen or C1-C4-alkyl; R5 is unsubstituted or substituted five-membered hetaryl or isoxazolinyl or -CR6=NOR7; R6 is hydrogen or unsubstituted or substituted C1-C4-alkyl, C3-C8-cycloalkyl or phenyl; R7 is unsubstituted or substituted C1-C4-alkyl, C3-C8-alkenyl, C3-C8-cycloalkyl or phenyl; A is oxygen or sulfur; X is nitrogen or methine =CR6-; R8 is one of the radicals R3, or R8 and R3 together form unsubstituted or substituted 1,3-butadiene-1,4-yl or aza- 1,3-butadiene-1,4-yl, and Y and Z are each nitrogen or methine =CH-, their preparation and agents containing them. These derivatives are useful as herbicides and for regulating plant growth.

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