| abstract |
The invention relates to benzylidene pyrazolones of formula (I), wherein the substituents and index n have the following meanings: R1 = optionally substituted C¿1?-C6 alkyl; R?2¿ = optionally substituted C¿1?-C6 alkyl, optionally substituted C1-C6 alkoxy, halogen, nitro, cyano; R?3¿ = hydrogen, halogen, nitro, cyano, a group NR?5R6, OCOR5, NR5COR6,CO¿2R?5, -COSR5, -CONR5R6, C¿1-C4-alkoxyiminoalkyl, C1-C6 alkoxycarbonyl, optionally substituted C1-C6 alkyl, optionally substituted C1-C6 alkoxy, optionally substituted C1-C6 alkylthio, optionally substituted C2-C6 alkenyl, optionally substituted phenyl, optionally substituted phenoxy, an optionally substituted 5- or 6-membered saturated or unsaturated heterocycle which can contain up to 4 nitrogen atoms and/or up to 2 oxygen or sulphur atoms as ring members; R4 = C1-C6 alkyl, C1-C4 halogen alkyl; or R?3 and R4¿ = an optionally substituted saturated or unsaturated 2- or 3-membered bridge which can contain one sulphur atom which can be oxidized into sulfoxide or sulfone, R5 = hydrogen or optionally substituted C¿1?-C6 alkyl; R?7¿ = hydrogen, C¿1?-C6 alkyl or C1-C4 halogenalkyl; n = 0, 1 or 2; X = hydrogen, chlorine or bromine. The compounds to which claim is laid are available in both a trans and a cis form or can be a mixture of these isomers. |