Bayer Aktiengesellschaft

Robert H Strang

Hans-Joachim Santel

Robert R Schmidt

Hans-Jochem Riebel

Christa Fest

Theodor Pfister

Wilhelm Brandes

Klaus-Helmut Muller

Reinhold Gehring

Ernst Kysela

Markus Lindig

Heinz-Jurgen Wroblowsky

Reiner Fischer

Hermann Hagemann

Klaus Sasse

Michael Schwamborn

Erich Klauke

Heinz Forster

Wilfried Draber

Andreas Krebs

The invention relates to the use of partly known substituted pyrazolin-5-one derivatives of the formula (I) ##STR1## as herbicides and fungicides, new substituted pyrazolin-5-one derivatives and processes for their preparation.

Herbicidal and fungicidal agents based on substituted pyrazolin-5-one

Herbicidally active novel substituted 1-benzylsulphonyl-3-heteroaryl(thio)-ureas of the formula ##STR1## in which

1-benzylsulphonyl-3-heteroaryl-(thio)urea herbicides

Herbicidally active novel substituted 1-benzylsulphonyl-3-heteroaryl(thio)-ureas of the formula ##STR1## in which Q represents oxygen or sulphur,

Substituted 1-benzylsulphonyl-3-heteroaryl-(thio)urea herbicides

Herbicidal compositions based on substituted pyrazolin-5-one derivatives

Herbicidally active 2,4-diamino-6-haloalkylpyrimidines of the formula ##STR1## in which R.sup.1 and R.sup.3, independently of one another, represent hydrogen or alkyl,

2,4-diamino-6-trifluoromethylpyrimidine compounds useful as herbicides

Herbicidally active compounds of the formula ##STR1## in which R.sup.1 represents hydrogen or alkyl,

Herbicidal new thiazolyl ether and thioether derivatives

An imidazo-pyrrolo-pyridine compound of the formula (I), ##STR1## in which R.sup.1 and R.sup.2, independently of one another, represent alkyl, or together represent a doubly linked alkylene radical,

Herbicidal imidazo-pyrrolo-pyridine derivatives

Herbicidally active compounds of the formula ##STR1## in which R.sup.1 represents halogen, cyano or C.sub.1 -C.sub.6 -alkyl (which is optionally substituted by fluorine, chlorine, bromine, cyano, C.sub.1 -C.sub.4 -alkoxy, C.sub.3 -C.sub.6 -cycloalkyl or phenyl), or represents C.sub.1 -C.sub.4 -alkoxy (which is optionally substituted by chlorine, bromine, cyano or C.sub.1 -C.sub.4 -alkoxy),

Phenylsulphonylisourea herbicides

An O-aryl-N'-(triazin-2-yl)-isourea of the formula ##STR1## in which R.sup.1 represents the radical ##STR2## wherein R.sup.5 represents trifluoromethoxy, difluoromethoxy, phenyl, phenoxy, trifluoromethylthio, difluoromethylthio, di-(C.sub.1 -C.sub.4 -alkyl)-aminocarbonyl, C.sub.1 -C.sub.4 -alkylsulphonyl, C.sub.1 -C.sub.4 - alkoxyaminosulphonyl, N-(C.sub.1 -C.sub.4 -alkoxy)-N-(C.sub.1 -C.sub.4 -alkyl)-aminosulphonyl, C.sub.1 -C.sub.4 -alkylaminosulphonyl or di-(C.sub.1 -C.sub.4-alkyl)-aminosulphonyl, or wherein

O-aryl-N'-(triazin-2-yl)-isourea herbicides

Herbicidally active phenoxybenzoic acid esters of the formula ##STR1## in which X represents hydrogen or halogen,

Phenoxybenzoic acid ester herbicides

A pyrimidyl-thio-carboxanilide of the formula (I), ##STR1## in which R.sup.1 represents hydrogen or halogen, alkyl, alkoxy or alkylthio having 1 to 6 carbon atoms in each case, trifluoromethyl, or phenyl which is unsubstituted or mono- or poly-substituted, identically or differently, by halogen, methyl, ethyl, methoxy or trifluoromethyl,

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Duesseldorf, Germany

Robert H Strang