Basf Aktiengesellschaft

Other

Ulrich Wriede

Bruno Wuerzer

Gerhard Hamprecht

Hermann Koehler

Karl-Otto Westphalen

Norbert Meyer

Eberhard Ammermann

Ernst-Heinrich Pommer

Rainer Becker

Ulrich Schirmer

Thomas Kuekenhoehner

Adolf Parg

John-Bryan Speakman

Rudolf Karl

4-Aryl-2-haloimidazole-5-carboxylic esters of the general formula Ia and Ib ##STR1## where R.sup.1 is C.sub.1 -C.sub.6 -alkyl, C.sub.3 -C.sub.6 -alkenyl or C.sub.3 -C.sub.6 -alkynyl,

4-arryl-2-haloimidazole-5-carboxylic esters, the preparation and use

1-Aryl- and 1-hetarylimidazolecarboxylic esters of the general formulae Ia and Ib ##STR1## where R.sup.1 is halogen or substituted or unsubstituted C.sub.1 -C.sub.4 -alkyl;

Crop protection agents based on 1-aryl- or 1-hetarylimidazose carboxylic

5-Amino-6-pyridazones of the general formulae Ia and Ib ##STR1## where R.sup.1 is C.sub.1 -C.sub.4 -alkyl which may carry up to three halogen atoms, R.sup.2 is C.sub.1 -C.sub.4 -alkyl or C.sub.3 -C.sub.6 -alkenyl, where these groups may carry up to two phenyl radicals, or C.sub.3 -C.sub.6 -alkynyl, A is --CO-- or --SO.sub.2 --, B is C.sub.1 -C.sub.6 -alkyl, C.sub.2 -C.sub.6 -alkenyl or C.sub.2 -C.sub.6 -alkynyl, where these groups may carry up to three of the following radicals: halogen, C.sub.1 -C.sub.4 -alkoxy, C.sub.1 -C.sub.4 -alkylthio and/or phenyl; an isocyclic or heterocyclic C.sub.3 -C.sub.7 -cycloalkyl group or an isocyclic or heterocyclic C.sub.3 -C.sub.7 -cycloalkenyl group, where these groups may be fused with one or two cycloalkyl groups of this type or with one or two benzene nuclei, where the total number of ring members is from 3 to 16 and these cyclic radicals may carry up to three of the following groups: halogen, C.sub.1 -C.sub.4 -alkyl, C.sub.2 -C.sub.6 -alkenyl, C.sub.2 - C.sub.6 -alkynyl and/or phenyl; a mononuclear to trinuclear aromatic or heteroaromatic radical which may carry up to three of the following groups: C.sub.1 -C.sub.4 -alkyl, C.sub.1 -C.sub.4 -haloalkyl, C.sub.1 -C.sub.4 -alkoxy, C.sub.1 -C.sub.4 -haloalkoxy, C.sub.1 -C.sub.4 -alkylthio, C.sub.1 -C.sub.4 -alkylsulfinyl, C.sub.1 -C.sub.4 -alkylsulfonyl, cyano, nitro, carbo-C.sub.1 -C.sub.4 -alkoxy, N,N-di-C.sub.1 -C.sub.4 -alkylcarbamido and/or halogen. These compounds are used as herbicidal active ingredients.

5-amino-6-pyridazone derivatives, their preparation and herbicidal

2-substituted 2,3-epoxy-5-cyclohexenone derivatives of the formula I ##STR1## where W is C.dbd.O or CHOR.sup.1, R.sup.1 is hydrogen, alkyl, alkenyl, alkynyl or alkoxycarbonyl, R is a substituted or unsubstituted hydrocarbon chain, or phenyl or phenylalkyl whose phenyl radical is substituted or unsubstituted and whose alkyl radical may be interrupted by O or S and fungicides and herbicides containing these compounds.

Substituted 2,3-epoxy-5-cyclohexenone derivatives, and fungicides and

Crop protection agents based on 1-aryl- or 1-hetarylimidazolecarboxylic

Substituted N-phenylpyridazone derivatives of the general formula I ##STR1## where R.sup.1, R.sup.2 and R.sup.3 are each hydrogen, C.sub.1 -C.sub.4 -alkyl, C.sub.1 -C.sub.4 -haloalkyl, C.sub.1 -C.sub.4 -alkoxy, C.sub.1 -C.sub.4 -haloalkoxy, C.sub.1 -C.sub.4 -alkylthio, C.sub.1 -C.sub.4 -haloalkylthio, C.sub.1 -C.sub.4 -alkylsulfinyl, C.sub.1 -C.sub.4 -alkylsulfonyl, halogen, cyano, phenyl, phenoxy, or phenylthio and Z is a straight-chain, saturated alkylene group of 1 to 5 carbon atoms, herbicides containing these compounds, and a process for combating the growth of unwanted plants.

Substituted N-phenylpyridazone derivatives

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Mutterstadt, Germany

Ulrich Wriede