3-Phenyl-4-methoxycarbonylpyrazoles and their use for controlling undesirable plant growth
AssigneeBASF SE
InventorsPeter Plath, Karl Eicken, Hubert Sauter, Bruno Wuerzer
Life of this patent
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Abstract
3-Phenyl-4-methoxycarbonylpyrazole derivatives of the formula ##STR1## where R.sup.1 is hydrogen or methyl, R.sup.2 is hydrogen, unsubstituted or substituted alkanoyl, methoxycarbonyl or unsubstituted or substituted phenoxycarbonyl, or is hydroxymethyl or methoxymethyl, A and B are each oxygen or sulfur, Z is unsubstituted or substituted alkylene, m, n and p are each zero or 1, X is hydrogen, halogen or nitro and Y is hydrogen, alkyl, alkoxy, haloalkyl, halogen, nitro or cyano, are used for controlling undesirable plant growth.
Claims10
A 3-phenyl-4-methoxycarbonylpyrazole derivative of the formula ##STR10## where R.sup.1 is hydrogen or methyl, R.sup.2 is hydrogen, unsubstituted or halogen-substituted C.sub.1 -C.sub.4 -alkanoyl, methoxycarbonyl, or phenoxycarbonyl which is unsubstituted or substituted by halogen or C.sub.1 -C.sub.4 -alkyl, or is hydroxymethyl or methoxymethyl, A and B independently of one another are each oxygen or sulfur, Z is unsubstituted or methyl-substituted alkylene of 1 to 5 carbon atoms, m, n and p independently of one another are each zero or 1, X is hydrogen, halogen or nitro and Y is hydrogen, C.sub.1 -C.sub.4 -alkyl, C.sub.1 -C.sub.4 -alkoxy, C.sub.1 -C.sub.4 -haloalkyl, halogen, nitro or cyano.
Dependencies are inferred from the claim text.