Styrene derivatives

C - Chemistry – Metallurgy – 07 – D

Patent

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Details

C07D 209/48 (2006.01) A01N 37/32 (2006.01) A01N 37/46 (2006.01) A01N 43/36 (2006.01) A01N 43/56 (2006.01) A01N 43/90 (2006.01) C07D 207/452 (2006.01) C07D 231/56 (2006.01) C07D 513/04 (2006.01)

Patent

CA 2058469

O.Z. 0050/42124 Abstract of the Disclosure: Styrene derivatives I Image I where R1 is H or halogon, R2 is halogen, R3 is H, halogen or C1-C4-alkyl, R4 is CN or C1-C6-alkylcarbonyl and A is a heterocyclic radical A1 to A5: Image , Image , Image , A1 A2 A3 Image , Image A4 A5 where R5 and R6 are H, CH3 or C2H5, n is 0 or 1 and X is oxygen or sulfur, with the proviso that R4 is alkylcarbonyl when R1 is H and at the same time A is A2 where n is 0, and agriculturally useful salts thereof, processes for the preparation of the styrane derivatives I and herbicides containing them.

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