1-phenyl-piperidine-2,6-diones with herbicidal activity

C - Chemistry – Metallurgy – 07 – D

Patent

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C07D 211/86 (2006.01) A01N 37/32 (2006.01) A01N 37/46 (2006.01) A01N 39/00 (2006.01) A01N 39/02 (2006.01) A01N 39/04 (2006.01) A01N 41/10 (2006.01) A01N 43/10 (2006.01) A01N 43/20 (2006.01) A01N 43/40 (2006.01) C07C 233/25 (2006.01) C07D 211/88 (2006.01) C07D 401/10 (2006.01) C07D 405/12 (2006.01) C07D 409/12 (2006.01) C07D 413/10 (2006.01) C07D 417/10 (2006.01) C07F 7/10 (2006.01)

Patent

CA 2013606

1-Phenyl-piperidine-2,6-diones with herbicidal activity Abstract of the Disclosure The invention relates to new 1-phenyl-piperidine-2,6-diones of the formula I Image (I) wherein R is hydrogen, C1-C6-alkyl, C3-C7-cycloalkyl, C1-C4-alkoxy-C1-C4-alkyl, C1-C4-alkyl- thio-C1-C4-alkyl, halogen-C1-C7-alkyl, C3-C7-alkenyl or C3-C7-alkynyl; R1 is hydrogen or halogen; R2 is hydrogen, cyano, nitro or halogen; and A is hydrogen, cyano, nitro or is an ether or carboxylic acid radical aa defined in the description. The salts, complexes as well as the stereoisomeric forms of these compounds, their preparations, use and agrochemical compositions which contains them form also part of this invention.

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